Neomeris pH buffer solution pH 4.01 ± 0.01 (25°C) 70 ml – precision for your pH measurement Our high-quality pH buffer solution with a defined value of pH 4.01 ± 0.01 at 25 °C is the ideal choice for calibrating pH electrodes in laboratories, industry and research. It ensures accurate and reproducible measurement results by serving as a reliable reference point. Product features: ✔️ Precisely calibrated pH value: 4.01 ± 0.01 ✔️ Temperature reference: 25 °C ✔️ Suitable for all common pH meters and electrodes ✔️ In a practical, airtight bottle to prevent contamination ✔️ Ideal for use in laboratories, the food industry, environmental analysis and more Application: Before each pH measurement, your electrode should be calibrated with a buffer solution to avoid measurement deviations. This solution is specially designed for calibration in the acidic range and can be optimally supplemented with other buffer solutions (e.g. pH 7.00 or pH 10.00) for multi-point calibration. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

This 147 µS/cm conductivity calibration solution is ideal for calibrating your conductivity and TDS meters. Thanks to its small size and easy handling, it is perfect for mobile water analyses. The Neomeris 147 µS/cm conductivity calibration solution (25 °C) is a high-quality solution for calibrating your electrodes for conductivity and TDS meters. The compact 70 ml bottle is ideal for mobile water analysis. Reference solution for reproducible measurements This solution, with a stable conductivity of 147 µS/cm ± 1 % at 25 °C, serves as a reliable standard for precisely adjusting your measuring systems and calibrating your electrodes. It supports accurate determination of electrical conductivity in drinking water, environmental, and process analyses. For routine checks and professional water analysis The solution is suitable for food monitoring, research, and education, where precise settings are essential. Its easy handling and accurate dosing minimize measurement deviations and keep sensors stable over time. This provides a solid foundation for reliable results in water and environmental analysis. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

With the pH buffer solution (pH 10.01), you can calibrate your electrodes easily and precisely. It is well-suited for various applications such as laboratory analysis or food monitoring. The Neomeris pH 10.01 buffer solution (± 0.02 pH at 25 °C) provides a stable, ready-to-use reference solution for calibrating your pH electrodes in the alkaline range. Before any pH measurement, your electrode should be calibrated with a buffer solution to avoid measurement deviations. Calibration solution for precise pH measurements The buffer solution provides a reliable reference value of pH 10.01 ± 0.02 at 25 °C and ensures accurate calibration of your pH electrodes for demanding measurement tasks. It pairs perfectly with other buffer solutions (e.g., pH 7.00 or pH 4.00) for multi-point calibration. The solution is colored yellow. Versatile applications Laboratory analysis Environmental and water analysis Food monitoring Research & education Industrial processes Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Our Neomeris conductivity calibration solution with 1413 μS/cm is ideal for calibrating conductivity and TDS meters. It supports the precise adjustment of measuring devices in environmental analysis, drinking water monitoring, and industrial applications. The Neomeris conductivity calibration solution ensures precise calibration of conductivity and TDS meters. With a stable reference value and a handy 70 ml bottle, it is ideal for laboratories, drinking water analysis, and mobile measurements. Precise conductivity calibration for your device The Neomeris conductivity calibration solution is a reference solution for calibrating conductivity and TDS meters. It allows your electrodes to be quickly and reliably adjusted to a defined target value. With a stable conductivity value of 1413 μS/cm ± 1 % at 25 °C, it ensures precise and reliable measurements. Versatile applications The calibration solution is versatile. It supports the calibration of measuring devices in environmental analysis, drinking water applications, and industrial processes. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris pH buffer solution pH 7.00 ± 0.01 (25°C) 70 ml – Reliable calibration for precise pH measurements Neomeris pH buffer solution pH 7.00 ± 0.01 at 25°C is a high-quality, ready-to-use calibration solution for the precise adjustment of your pH electrodes. It is ideal for use in laboratories, industry, environmental analysis, research, and education—anywhere where precise pH values are crucial. Why Neomeris? – Quality that convinces: ✔️ Precise calibration: With an accuracy of ±0.01 pH at 25°C, the solution meets the highest requirements for measurement precision. ✔️ Color coding: The green color of the solution ensures clear visual differentiation and prevents mix-ups in everyday work. ✔️ Innovative hygienic closure: The special bottle cap reliably protects the solution from contamination and enables clean, safe use. ✔️ Practical dosing: Simply squeezing the bottle releases a sufficient amount of solution into the upper part – ideal for direct calibration without additional accessories. Areas of application: Laboratory analysis Environmental and water analysis Food monitoring Research and teaching Industrial processes Tip: For precise multi-point calibration, we recommend combining with other Neomeris buffer solutions, e.g., pH 4.01 and pH 10.00. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris pH buffer solution pH 9.21 (± 0.01 pH at 25 °C) is a ready-to-use reference solution for calibrating your pH electrodes in the alkaline range. Maximum stability for your pH measurement The buffer solution provides a defined pH value of 9.21 ± 0.01 at 25 °C and ensures stable results when calibrating your pH electrodes. Before each measurement, your electrode should be calibrated with a buffer solution to avoid measurement deviations. The blue-coloured solution makes it easy to quickly distinguish it from other buffer solutions. Tip: For precise multi-point calibration, this solution can be ideally combined with other Neomeris buffer solutions such as pH 4.01 and pH 10.00. Different areas of application Laboratory analysis Environmental and water analysis Food monitoring Research and teaching Industrial processes Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

High quality conductivity calibration solution to calibrate your electrodes Our 250 ml, 500 ml and 1000 ml bottle is characterized by a special hygienic closure, which protects the conductivity calibration solution from contamination. To provide the required calibration solution, simply squeeze the bottle together and enough conductivity calibration solution is delivered to the upper part of the bottle to perform a calibration. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Ready-to-use 84 µS/cm conductivity calibration solution for calibrating and checking electrodes and meters. Reliable TDS reference solution for precise conductivity measurements. The Neomeris 84 µS/cm conductivity calibration solution (25 °C) is designed to calibrate your electrodes. Stable reference values for environmental analysis With a conductivity value of 84 µS/cm ± 1 % at 25 °C, the solution ensures precise calibration of your electrodes and reliable TDS measurements. It is suitable for environmental monitoring or mobile measurement tasks where fast and reliable results are required. Practical reference solution The easy dosing and compact bottle allow simple handling and precise calibration. The solution reduces measurement uncertainty, facilitates routine checks, and ensures that devices remain correctly calibrated at all times. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

The Neomeris conductivity calibration solution with 12 880 µS/cm is ideal for setting a conductivity meter. It can be used in many areas, for example in saline process solutions or nutrient solutions (hydroponics). The Neomeris conductivity calibration solution with a reference value of 12 880 µS/cm (±1 % at 25 °C) in the handy 70 ml bottle is suitable for precise calibration of your conductivity devices and electrodes. The compact bottle format is particularly practical for mobile use for occasional on-site calibrations. Precise reference solution for devices and electrodes The calibration solution with 12 880 µS/cm is a common standard in the higher conductivity range and is therefore suitable for more mineralized or saline waters. With a tolerance of ±1 % at 25 °C, the solution provides a reliable reference to calibrate conductivity meters and electrodes accurately and minimize measurement deviations. What is a 12 880 µS/cm conductivity calibration solution used for? A 12 880 µS/cm ± 1 % (25 °C), 70 ml conductivity calibration solution is used for calibrating and checking conductivity meters in the high conductivity range. The value 12 880 µS/cm (≈ 12.88 mS/cm) lies in the range of highly mineralized or saline solutions. It is used to set a conductivity meter when measuring high conductivities. Typical application areas for this measurement range: saline process solutions, nutrient solutions (hydroponics), aquaristics (seawater), industrial water treatment, wastewater with high salt content. To check the measuring cell for the correct cell constant value. A meter measures most accurately in the range in which it was calibrated – therefore, for high measurement ranges, a correspondingly high reference solution is required. What do the specifications on the bottle mean? 12 880 µS/cm This is the nominal value of the electrical conductivity of the solution. µS/cm (microsiemens per centimeter) is the unit of conductivity. ± 1 % This is the tolerance or accuracy. The actual value is at most 1 % above or below 12 880 µS/cm. (25 °C) The specified conductivity value applies exactly at 25 °C because conductivity depends on temperature. Devices usually use temperature compensation. 70 ml This is the filling volume – sufficient for several calibrations. This solution is used to precisely calibrate a conductivity meter in the upper measurement range, where 12 880 µS/cm at 25 °C is the defined reference value with ± 1 % accuracy. Buy the Neomeris Conductivity Calibration Solution EC 12880 μS/cm in the 70 ml bottle easily online now With the Neomeris conductivity calibration solution EC 12880 µS/cm, you rely on quality, safety, and ease of use – for reliable measurement results you can count on. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

The Neomeris redox buffer solution 650 mV in the 70 ml bottle is ideal for single calibrations of your measuring devices. It can be used in various areas, such as water and environmental analysis. Neomeris Redox Buffer Solution 650 mV ± 5 mV (25 °C), 70 ml - Compact Solution for Precise ORP Calibration The Neomeris redox buffer solution with a stable value of 650 mV ± 5 mV at 25 °C is specifically designed for the calibration of redox electrodes (ORP sensors). It enables reliable and reproducible measurement results in demanding applications in water and environmental analysis, wastewater technology, as well as industrial process control. Product Advantages at a Glance Precise Calibration: The solution provides an accurate redox potential of 650 mV ± 5 mV at 25 °C – ideal for demanding applications. Ready to Use: Immediately usable – no mixing or dilution required. Compact 70 ml Bottle: Perfect for single calibrations, mobile use, or occasional applications. Reliable Quality: Developed for professional requirements in laboratories and industry. Application Areas Water and Environmental Analysis: Monitoring the redox potential in natural waters and during drinking water treatment. Wastewater Technology: Monitoring biological reaction processes in wastewater treatment plants. Industrial Applications: Process control in chemical and pharmaceutical production. What is a Redox Buffer Solution Used For? A redox buffer solution 650 mV ± 5 mV (25 °C), 70 ml is used for the calibration and verification of redox (ORP) measuring devices that measure the redox potential of solutions. It is used for: Adjusting a redox measuring device so that the displayed values are reliable and compliant with standards. Measurements in laboratories, environmental analysis, water treatment, or industrial processes where oxidation or reduction states must be monitored. Particularly useful for regular checking of the measuring electrode and ensuring measurement accuracy. A redox reference value such as 650 mV typically corresponds to a strongly oxidizing system, e.g., chlorine or oxygen solutions. What Do the Details on the Bottle Mean? 650 mV This is the exact target value of the redox potential of the solution at the reference temperature. Its redox potential is chemically stable and defined. ± 5 mV This is the tolerance or accuracy. The actual redox value is at most 5 mV above or below 650 mV (i.e., between 645 mV and 655 mV). This indicates the precision of the solution. (25 °C) The specified value applies exactly at 25 °C, as the redox potential is temperature-dependent. Many redox measuring devices therefore include temperature compensation. 70 ml This is the filling volume of the bottle. The solution is used to precisely adjust or verify a redox measuring device, where 650 mV at 25 °C is the defined reference value with a tolerance of ± 5 mV. Neomeris – For Stable and Precise ORP Measurements Ensure the functionality of your redox sensors and achieve reliable measurement results with the professional buffer solutions from Neomeris. Rely on quality, safety, and convenience when calibrating your measuring devices with the color-coded, ready-to-use solutions from Neomeris. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

The ready-to-use Neomeris redox buffer solution with an exactly known value of 475 mV is used for the calibration of ORP electrodes and the associated measuring devices. This ensures precise measurement results. Thanks to easy dosing and simple handling, it is ideal for single calibrations. Neomeris Redox Buffer Solution 475 mV ± 5 mV (25 °C), 70 ml Compact Solution for Precise ORP Calibration The Neomeris redox buffer solution with a stable value of 475 mV ± 5 mV at 25 °C is specifically designed for the calibration of redox electrodes (ORP sensors). It enables reliable and reproducible measurement results in sensitive areas such as water and environmental analysis, wastewater technology, and industrial process control. Product Advantages at a Glance Precise Calibration: The solution provides an accurate redox potential of 475 mV ± 5 mV at 25 °C – ideal for demanding applications. Ready to Use: Immediately usable – no mixing or dilution required. Compact 70 ml Bottle: Perfect for single calibrations, mobile use, or occasional applications. Reliable Quality: Developed for professional requirements in laboratories and industry. Application Areas Water and Environmental Analysis: Monitoring the redox potential in natural waters and during drinking water treatment. Wastewater Technology: Monitoring biological reaction processes in wastewater treatment plants. Industrial Applications: Process control in chemical and pharmaceutical production. What is a Redox Buffer Solution Used For? A redox buffer solution 475 mV ± 5 mV (25 °C), 70 ml is used for the calibration and verification of redox (ORP) measuring devices that measure the oxidation or reduction potential of a solution. It is used for: Adjusting a redox measuring device so that readings are accurate and reliable. Measurements in laboratories, water treatment, environmental analysis, or industrial processes where the redox state is monitored. Particularly suitable for regular checking of the measuring electrode. A value of 475 mV typically corresponds to a moderately oxidizing system, e.g., lightly chlorinated water or weakly oxidizing solutions. What Do the Details on the Bottle Mean? 475 mV This is the target value of the redox potential at 25 °C. The solution is chemically stable to provide exactly this value. ± 5 mV This is the tolerance or accuracy. The actual redox value is at most 5 mV above or below 475 mV (i.e., between 470 mV and 480 mV). This ensures precise calibration. (25 °C) The value applies exactly at 25 °C, as the redox potential is temperature-dependent. Many devices account for this via temperature compensation. 70 ml This is the filling volume of the solution in the bottle. The solution is used to reliably calibrate a redox measuring device in the medium oxidation range, where 475 mV at 25 °C is the defined reference value with a tolerance of ± 5 mV. Neomeris – For Stable and Precise ORP Measurements Ensure the functionality of your redox sensors and achieve consistent measurement results with the professional buffer solutions from Neomeris. Rely on quality, safety, and convenience when calibrating your measuring devices with the color-coded, ready-to-use solutions from Neomeris. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris cleaning solution ensures thorough cleaning and care of your pH and redox electrodes. Thanks to the practical, small 70 ml plastic bottle, this solution is also ideal for low consumption. Neomeris Cleaning Solution for pH and Redox Electrodes (Pepsin) – 70 ml Neomeris cleaning solution is a specially developed probe cleaner for the thorough care and cleaning of pH and redox electrodes. With its effective pepsin formula, it reliably removes deposits and organic contaminants that can impair measurement accuracy. Why use Neomeris cleaning solution? Effective cleaning of pH and redox electrodes Maintains precision and extends the service life of probes Ideal for laboratories, industry, and environmental analysis During use, electrodes can become contaminated with proteins, fats, or other residues. The pepsin-based Neomeris cleaning solution gently dissolves these deposits without damaging the sensitive membrane, keeping your electrode performing well and delivering reliable measurement results. Recommended use: Cleaning should be carried out regularly and in accordance with the manufacturer's instructions. Excessive use can impair the sensitivity of the electrode, so targeted care is crucial for optimal results. Product details: Contents: 70 ml Active ingredient: Pepsin Application: Cleaning of pH and redox electrodes Packaging: Practical plastic bottle Note: For cleaning glass electrodes. Not suitable for HORIBA LAQUAtwin testers and plastic electrodes.

For reliable and consistent measurements, the ready-to-use Neomeris Redox Buffer Solution 200 mV is ideal. It is used to calibrate your electrodes and related measuring devices. Neomeris Redox Buffer Solution 200 mV ± 5 mV (25 °C), 70 ml - Precise calibration for reliable ORP measurements The Neomeris Redox Buffer Solution with a defined value of 200 mV ± 5 mV at 25 °C is the perfect choice for calibrating redox electrodes (ORP sensors). It ensures reliable and reproducible results in demanding applications such as water and environmental analysis, wastewater technology, and industrial process control. Product Benefits at a Glance Exact Calibration: Constant redox potential of 200 mV ± 5 mV at 25 °C – ideal for precise ORP measurements. Ready to Use: Immediately usable – no mixing or dilution required. Compact 70 ml Bottle: Ideal for single calibrations or mobile applications. Reliable Quality: Designed for professional use in laboratories and industry. Where Are Redox Potential Measurements Needed? Typical areas of application are Water and Environmental Analysis: Monitoring redox potential in natural waters and drinking water treatment. Wastewater Technology: Monitoring biological reaction processes in treatment plants. Industrial Applications: Process control in chemical and pharmaceutical production. Why Use a Redox Buffer Solution? A Redox Buffer Solution 200 mV ± 5 mV (25 °C), 70 ml is used to calibrate and verify redox (ORP) measuring devices. It serves as a reference solution with a precisely defined redox potential. It is needed for: Setting a redox meter so that it displays accurate mV readings. Checking the electrode for aging or contamination. Applications in industrial processes, environmental analysis, aquaristics, and drinking or wastewater monitoring. The value of 200 mV is in the lower oxidation range and is suitable for monitoring weakly oxidizing or slightly reducing systems. A measuring device works most reliably when regularly checked with a reference solution. What Do the Bottle Labels Mean? 200 mV This is the target redox potential of the solution at 25 °C. ± 5 mV This is the tolerance. The actual value ranges from 195 mV to 205 mV. (25 °C) The stated value applies exactly at 25 °C, as redox potential is temperature-dependent. 70 ml This is the filling volume of the solution. The solution is used to calibrate or check a redox meter in the lower mV range, with 200 mV at 25 °C being the defined reference value with ± 5 mV accuracy. Neomeris – For Stable and Precise ORP Measurements Ensure the functionality of your redox sensors and achieve consistent results with Neomeris professional buffer solutions. Rely on quality, safety, and convenience when calibrating your devices with Neomeris ready-to-use, color-coded solutions. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

The Neomeris storage solution is ideal for the safe storage of pH and redox electrodes. It prevents your electrodes from drying out. Neomeris Storage Solution for pH and Redox Electrodes – 3 mol/l KCl, 70 ml The Neomeris storage solution is a high-quality KCl electrolyte solution for the safe storage of pH and redox electrodes. With a concentration of 3 mol/l potassium chloride (KCl), it provides optimal conditions to maintain the lifespan and measurement accuracy of your electrodes. What should I use the storage solution for? Prevents drying out of the sensitive membrane Maintains the responsiveness and precision of the electrode Suitable for pH and ion-selective electrodes (ISE) The solution acts as both an electrolyte and a pH buffer, stabilizing the contact between the electrode and the medium. Regularly placing the electrode in this solution ensures it is always ready for use – providing reliable and precise measurement results. Content: 70 ml Type: Saturated KCl solution (3 mol/l) Application: Storage of pH and redox electrodes Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

The 250 ml 12880 µS/cm conductivity calibration solution is ideal for calibrating electrodes and meters in the high conductivity range. Thanks to the easy dosing and simple handling of the bottle, you can quickly and easily calibrate your electrodes and meters. The Neomeris 12880 µS/cm conductivity calibration solution (± 1 % at 25 °C) enables reliable calibration of your electrodes and conductivity meters in the high conductivity range. The 250 ml bottle features a hygiene cap, which protects the solution from contamination. High-quality calibration solution for high conductivity ranges The calibration solution provides a defined reference value of 12 880 µS/cm (± 1 % at 25 °C) and is designed to reliably set meters and electrodes in high-conductivity applications. Easy handling for precise results The calibration solution is easy to dose and can be used directly for precise adjustments. It supports consistent and repeatable calibration, reducing measurement deviations and keeping electrodes stable. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris pH Buffer Solution pH 4.01 – Acid Calibration Solution Stable reference value in the acidic range for pH electrode calibration The Neomeris pH buffer solution with a value of 4.01 ± 0.01 at 25 °C is specifically designed for precise calibration of pH electrodes. The buffer solution assists in calibrating pH meters in the acidic range. It complements the neutral and basic references and ensures a complete, multipoint calibration. The practical hygiene cap protects the solution from contamination. Acid reference solution for precise pH calibration The Neomeris pH buffer solution pH 4.01 serves as a stable reference for exact calibration of pH electrodes in the acidic measurement range. With an accuracy of pH 4.01 ± 0.01 at 25 °C, it enables reliable and reproducible calibration results and supports consistent measurement accuracy of pH meters. Complement for multipoint calibration The acid buffer solution complements neutral and basic calibration solutions, making it an essential part of multipoint pH calibration. It ensures precise adjustment of the measurement system across the entire range. The practical hygiene cap protects the solution from contamination and ensures safe use in laboratory and industrial applications. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris Conductivity Calibration Solution – Accurate EC and TDS Reference Standard Solutions Standard solutions for calibrating and verifying conductivity meters The Neomeris Conductivity and TDS Calibration Solution is a standardized reference solution for precise calibration and verification of instruments measuring electrical conductivity (EC) and Total Dissolved Solids (TDS). With a stable reference value of 1413 µS/cm ± 1% at 25 °C, it ensures reliable and reproducible results across a wide range of applications. Precise Reference Solution for Conductivity Meter Calibration The special hygiene cap reliably protects the calibration solution from contamination and ensures safe handling. Each 250 ml bottle comes with a certificate confirming the quality and accuracy of the reference solution. The solution is suitable for numerous applications, including water and environmental analysis, food and beverage industry, agriculture and hydroponics, industrial processes, as well as research and teaching. Reliable Use and Versatile Applications In which application areas can the solution be used? Water and Environmental Analysis: Monitoring mineral and ion concentrations to assess water quality. Food and Beverage Industry: Ensuring product consistency and hygiene through precise conductivity measurements. Agriculture & Hydroponics: Monitoring nutrient availability in soils and nutrient solutions. Industrial Processes: Process control in electroplating, chemical production, and energy generation. Research & Education: Reference solution for precise experiments and training. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris pH Buffer Solution pH 7.00 – Ready-to-Use Reference Solution Precise calibration of pH meters and electrodes The Neomeris pH Buffer Solution pH 7.00 is a ready-to-use, standardized reference solution for precise calibration of pH meters and electrodes. With an accuracy of pH 7.00 ± 0.01 at 25 °C, it meets the highest standards for measurement reliability and reproducibility, making it ideal for the neutral pH range. Neutral Reference Solution for Reliable pH Calibration The clear green color coding allows quick identification of the buffer solution and minimizes confusion during daily use. The hygienic cap reliably protects against contamination and ensures clean handling. Easy to Use with Versatile Applications It can be used in: Laboratory analysis Environmental and water testing Food monitoring Research & education Industrial processes Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris pH buffer solution pH 9.21 ± 0.02 (25°C), 250 ml – Precise calibration in the alkaline range Neomeris pH buffer solution pH 9.21 ± 0.02 at 25°C is a ready-to-use calibration solution for the reliable adjustment of pH meters in the alkaline range. It is ideal for applications in laboratories, industry, environmental analysis, research, and education where precise pH values are crucial. Product advantages at a glance: ✔️ Precise calibration: With an accuracy of ±0.02 pH at 25°C, the solution meets the highest standards of measurement precision. ✔️ Color coding: The blue color clearly indicates a pH value of 9.21 and prevents confusion in everyday work. ✔️ Innovative hygienic closure: The special bottle cap reliably protects the solution from contamination and enables clean, direct dosing. ✔️ Practical application: Squeezing the bottle releases the required amount of solution into the upper part – ideal for calibration without additional accessories. ✔️ 250 ml content: Compact and ideal for regular use in everyday laboratory work. Areas of application: Laboratory analysis Environmental and water analysis Food monitoring Research & teaching Industrial processes Neomeris – Reliable calibration for precise pH measurements. Rely on quality, safety, and convenience – with Neomeris' color-coded, ready-to-use buffer solutions for everyday use. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris Conductivity & TDS Calibration Solution 147 μS/cm ± 1% (25 °C), 250 ml – Precise calibration for reliable EC and TDS measurements The Neomeris Conductivity & TDS Calibration Solution, with a stable reference value of 147 μS/cm ± 1% at 25 °C, is specially designed for calibrating measuring instruments used to determine electrical conductivity (EC) and total dissolved solids (TDS). It ensures precise and reproducible measurement results in numerous areas of application – from environmental analysis to industrial process control. Product advantages at a glance: ✔️ Precise calibration: Constant conductivity value with an accuracy of ± 1 % at 25 °C – ideal for precise requirements. ✔️ Certificate of analysis included: Each 250 ml bottle comes with a free certificate confirming the quality and accuracy of the solution. ✔️ Safe handling: The innovative hygienic cap reliably protects the solution from contamination. ✔️ Easy dosing: Squeezing the bottle releases the required amount of solution into the upper part – ideal for direct calibration without additional accessories. ✔️ 250 ml content: Practical for regular use in laboratories, businesses and educational institutions. Areas of application: Water and environmental analysis: Assessment of water quality by monitoring mineral and ion concentrations. Food and beverage industry: Ensuring product consistency and hygiene through precise conductivity measurements. Agriculture & hydroponics: Monitoring nutrient availability in soils and nutrient solutions. Industrial processes: Monitoring in electroplating, chemical production and energy generation. Research and teaching: Reference solution for precise experiments and training. Neomeris – For reliable EC and TDS measurements. Rely on quality, safety and verifiability – with professional calibration solutions from Neomeris, including a certificate of analysis. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris pH Buffer Solution pH 10.01 – Alkaline Calibration Solution Reliable reference solution for pH calibration The Neomeris pH buffer solution pH 10.01 is a ready-to-use calibration solution for pH electrodes in the alkaline measurement range. With a reference value of pH 10.01 ± 0.02 at 25 °C, it enables reliable calibration of pH meters wherever high pH values require precise measurement accuracy. Safe usage and versatile applications The clear yellow color coding ensures easy identification of the pH value and prevents mix-ups during daily work. The hygienic cap protects the solution from contamination and allows clean and efficient handling. Why are alkaline reference solutions necessary for precise pH calibration? Alkaline calibration solutions are required to reliably set pH meters and electrodes in the high pH range. Calibration in only the acidic or neutral range is not sufficient when measurements are performed at alkaline pH values. The pH value does not change linearly across the measurement range. Particularly in the alkaline range, pH electrodes are more sensitive to deviations, aging, or contamination. An alkaline calibration solution (e.g., pH 10.01) ensures that the meter measures accurately exactly where it will be used. Where can the buffer solution be used? The pH buffer solution is versatile and suitable for: Laboratory analysis Environmental and water analysis Food monitoring Research & education Industrial processes Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris Conductivity & TDS Calibration Solution 84 μS/cm ± 1% (25 °C), 250 ml – Precise calibration for reliable EC and TDS measurements The Neomeris Conductivity & TDS Calibration Solution with a defined value of 84 μS/cm ± 1% at 25 °C is specially designed for calibrating electrical conductivity (EC) and total dissolved solids (TDS) measuring instruments. It ensures precise and reproducible measurement results in a wide range of applications – from water analysis to industrial process monitoring. Product advantages at a glance: ✔️ Precise calibration: Stable reference value with an accuracy of ± 1 % at 25 °C – ideal for precise requirements. ✔️ Certificate of analysis included: Each bottle comes with a free certificate confirming the quality and accuracy of the solution. ✔️ Safe handling: The special hygienic cap reliably protects the solution from contamination. ✔️ Easy dosing: Squeezing the bottle releases the required amount of solution into the upper part – ideal for direct calibration without additional accessories. ✔️ 250 ml content: Practical for regular use in laboratories, businesses and educational institutions. Areas of application: Water and environmental analysis: Assessment of water quality by monitoring mineral and ion concentrations. Food and beverage industry: Ensuring product consistency and hygiene through precise conductivity measurements. Agriculture & hydroponics: Monitoring nutrient availability in soils and nutrient solutions. Industrial processes: Monitoring in electroplating, chemical production and energy generation. Research and teaching: Reference solution for precise experiments and training. Neomeris – For reliable EC and TDS measurements. Rely on quality, safety and verifiability – with professional calibration solutions from Neomeris, including a certificate of analysis. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Neomeris conductivity calibration solution 111.8 mS/cm (±1% at 25°C) in a 250 ml bottle is a standardised reference solution for calibrating conductivity meters and electrodes. Reliable reference solution for conductivity calibration solution (subline) This reference solution provides a conductivity value of 111.8 mS/cm (± 1% at 25 °C) and supports the reliable calibration of your electrodes and measuring devices. The bottle allows for easy handling when dispensing the solution, and the hygienic cap protects it from contamination. Universally applicable reference solution Water and environmental analysis: Monitoring mineral and ion concentrations to assess water quality. Food and beverage industry: Ensuring product consistency and hygiene through precise conductivity measurements. Agriculture & hydroponics: Monitoring nutrient availability in soils and nutrient solutions. Industrial processes: Process control in electroplating, chemical production and energy generation. Research & teaching: Reference solution for precise experiments and training. Frequently asked questions Where can I find the safety data sheet for the solution I want to use? The safety data sheet is included in printed form with the delivery of the goods. The safety data sheet can be viewed or downloaded at any time in the download area of the online shop. What bottle sizes are available? Generally, there are 60/70 ml, 250 ml, 500 ml and 1,000 ml bottles. There is one exception, for example, with brands such as Hanna, where bags are sold instead of bottles. How long do the solutions last? The shelf life is printed on the product label. Upon delivery, the shelf life is at least 7 months. Can the solutions still be used after the expiry date? No, because the function and quality can no longer be guaranteed after the best-before date has expired. How can I dispose of the solutions? Please refer to the safety data sheet for more detailed information on the disposal of the solutions. Disposal must be carried out in accordance with official regulations. What is the emergency number for acute poisoning? The emergency number for the North Poison Information Centre is +49 551-19240 and is available 24/7.

Explore HORIBA's premium profile solutions for pH, ORP and conductivity measurements, specifically designed for handheld and laboratory meters. Our solutions are designed to meet the needs of different users and ensure that your measurements are accurate. Here are a few of our products that provide a clear overview and easy selection: - pH standard solutions are available in different pH value classes: e.g. 4.01, 7.00, 10.01. These solutions are indispensable for the calibration of pH electrodes and have a high degree of accuracy. - Redox standard solutions (ORP): These solutions offer values from 200 mV to 650 mV, enabling precise adjustment of redox electrodes. Standard solutions for conductivity: These are used to calibrate conductivity sensors and are available in different conductivity ranges. - Internal filling solutions: These solutions are specially designed for pH and reference electrodes and ensure optimum functionality as well as a long service life for your electrodes. Users:- Our NIST-traceable hygienic bottle solutions are ideal for environmental laboratories using pH and ORP buffer solutions to monitor water quality in natural waters. They enable safe and accurate calibration without the risk of contamination. - Our buffer solutions provide a reliable basis for compliant results in the pharmaceutical industry, where accurate pH measurements are critical for drug formulation and quality control. - Our pH and redox solutions are of great importance to the food and beverage industry and play a crucial role in the quality of products, from wine production to milk processing. - Our solutions are used by research institutions and universities to conduct their scientific experiments and train the next generation of scientists. - Our conductivity standard solutions are used by water treatment plants to improve their purification and filtration processes. Manufacturer information: Because HORIBA is synonymous with quality and precision, you can trust our professional solutions to complement your measurement equipment and extend its life. HORIBA's innovative hygienic bottles differ significantly from conventional bottles as they allow contamination-free removal by simply squeezing. As the lower part of the bottle always remains fresh and untouched, it is particularly advantageous for applications where cleanliness and accuracy are crucial. Use HORIBA solutions to ensure the accuracy of your measurements and promote the functionality of your measuring devices.