The Neomeris redox buffer solution 475 mV is ideal for the calibration of redox measuring devices and ORP electrodes. Neomeris Redox Buffer Solution 475 mV ± 5 mV (25 °C), 250 ml – Defined ORP Reference Solution Standard solution for calibrating redox measuring devices and ORP electrodes 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). In sensitive fields such as water and environmental analysis, wastewater technology, and industrial processes, it enables reliable and reproducible measurement results. At 25 °C the solution provides a stable redox potential of 475 mV (± 5 mV). The integrated hygiene cap reliably protects the solution from contamination and ensures consistently high quality throughout its service life. What is a 475 mV redox buffer solution used for? A redox buffer solution 475 mV ± 5 mV (25 °C), 250 ml is used for calibration and verification of redox (ORP) measuring devices. It provides a defined reference potential used to check or adjust the accuracy of a redox electrode. It is used: To adjust a redox measuring device so it displays correct mV values. To regularly check the electrode function (detecting drift or contamination). Typical applications where redox potential is measured include drinking water and wastewater monitoring, swimming pool technology, aquaristics, environmental analysis, and industrial processes. The value of 475 mV lies in the medium oxidation range and is suitable for systems with moderate oxidation potential. What do the specifications on the bottle mean? 475 mV This is the target redox potential of the solution at 25 °C. ± 5 mV This is the tolerance. The actual value lies between 470 mV and 480 mV. (25 °C) The specified value applies exactly at 25 °C because redox potential depends on temperature. 250 ml This is the filling volume of the bottle. The larger quantity is suitable for frequent calibrations or regular use in laboratories or industrial environments. The solution is used to precisely calibrate or check a redox measuring device in the medium mV range, where 475 mV at 25 °C is the defined reference value with an accuracy of ± 5 mV. Neomeris – For stable and precise ORP measurements. Rely on quality, safety and full traceability – with professional Neomeris calibration solutions including a certificate of analysis. Ensure the functionality of your redox sensors and achieve reliable measurement results with the professional buffer solutions from Neomeris. Trust in quality, safety and convenience when calibrating your measuring devices using the color-coded, ready-to-use solutions from Neomeris. The practical 250 ml bottle with a hygienic dosing system makes the Neomeris calibration solution ideal for regular use in professional applications. Benefit from high precision, convenient handling and consistently reliable measurement results – day after day. 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.

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 Neomeris redox buffer solution with a defined redox potential of 650 mV ± 5 mV at 25 °C serves as a reliable reference for calibrations in the high ORP measurement range. Neomeris Redox Buffer Solution 650 mV ± 5 mV (25 °C), 250 ml – ORP Reference Solution Stable redox reference for calibrations in the high ORP measurement range The Neomeris redox buffer solution with a stable value of 650 mV ± 5 mV at 25 °C is a standardized reference solution for calibrating redox measurement systems. It enables reliable and reproducible measurement results. The redox buffer solution supports reliable calibration of ORP electrodes and contributes to stable and comparable measurement results. The redox buffer solution is specifically designed for the regular calibration of ORP electrodes. It is suitable for laboratory applications as well as for use in technical and industrial processes where high redox potentials must be monitored. What is a 650 mV redox buffer solution used for? A redox buffer solution 650 mV ± 5 mV (25 °C), 250 ml is used for calibration and functional testing of redox (ORP) measuring devices. It serves as a reference solution with a precisely defined oxidation-reduction potential. It is used to adjust a redox measuring device so that it displays correct mV values and to regularly check the redox electrode for drift, aging or contamination. Typical areas where redox values are measured include industrial processes, environmental analysis, aquaristics, swimming pool technology, and drinking water or wastewater monitoring. The value of 650 mV represents a strongly oxidizing environment (e.g. chlorinated water). It is particularly suitable for measurement ranges with high oxidation potentials. What do the specifications on the bottle mean? 650 mV This is the target value of the redox potential of the solution at the reference temperature. ± 5 mV This indicates the tolerance or accuracy. The actual value lies between 645 mV and 655 mV. (25 °C) The specified value applies exactly at 25 °C because the redox potential is temperature dependent. 250 ml This is the filling volume of the bottle. The larger quantity is suitable for frequent calibrations or for use in laboratories or operations. The solution is used to precisely calibrate or check a redox measuring device in the high oxidation range, where 650 mV at 25 °C is the defined reference value with an accuracy 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.

Neomeris Redox Buffer Solution 650 mV is the ideal solution for calibrating redox electrodes (ORP sensors). Its easy dosing and safe handling make this solution perfect for a wide range of applications. Neomeris Redox Buffer Solution 650 mV ± 5 mV (25 °C), 500 ml - Precise calibration for demanding ORP measurements The Neomeris redox buffer solution with a stable value of 650 mV ± 5 mV at 25 °C is the ideal solution for calibrating redox electrodes (ORP sensors). It ensures reliable and reproducible measurement results in demanding applications in water and environmental analysis, wastewater technology, and industrial process control. Product advantages at a glance: Precise calibration: The solution provides a stable redox potential of 650 mV ± 5 mV at 25 °C – ideal for high-precision requirements. Certificate of analysis included: Each 500 ml bottle comes with a certificate documenting the quality and accuracy of the solution. Safe handling: The special hygienic cap reliably protects the solution from contamination. Easy dosing: By squeezing the bottle, the required amount of solution is transferred to the upper chamber – ideal for direct calibration without additional accessories. 500 ml content: Perfect for regular use in laboratories and industrial applications with higher consumption. Areas of application: Water and environmental analysis: Monitoring the redox potential in natural waters and drinking water treatment. Wastewater technology: Monitoring biological reaction processes in wastewater treatment plants. Industrial applications: Process control in chemical and pharmaceutical production. Neomeris – For stable and precise ORP measurements. Rely on quality, safety, and complete traceability – with professional calibration solutions from Neomeris, including a certificate of analysis. The practical 500 ml bottle with a hygienic dosing system makes the Neomeris calibration solution ideal for regular use in professional environments. Benefit from high precision, convenient handling, and consistently reliable measurement results – day after day. 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.

Neomeris Storage Solution 3 mol/L KCl – pH and Redox Electrolyte Solution Optimal care for the storage of pH and redox electrodes The Neomeris Storage Solution with 3 mol/L KCl is designed for the storage and maintenance of pH and redox electrodes. It helps maintain a stable electrolyte layer and protects sensitive sensors from drying out and contamination. Reliable storage solution for pH and redox electrodes The Neomeris Storage Solution is specially formulated for proper storage and care of pH and redox electrodes. It keeps the electrode's electrolyte layer stable and reliably protects sensitive sensors from drying, contamination, and functional loss. Storing the electrodes in a KCl-based electrolyte preserves the ionic environment of the reference electrode. This reduces drift and long-term errors, contributing significantly to the long-term measurement stability and accuracy of the electrodes. Ready-to-use electrolyte solution for maintenance and operation The storage solution is ready to use and is ideal for the daily maintenance of pH and redox electrodes during ongoing measurements. It ensures proper sensor function both between individual measurements and during extended storage. Typical applications include laboratories, industrial measurement stations, and research facilities where pH and redox electrodes are regularly used and require reliable care. 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.

A high-quality storage solution suitable for pH and redox electrodes. The 500 ml bottle is ideal for use in laboratories and industrial settings. Neomeris Storage Solution for pH and Redox Electrodes – 3 mol/l KCl, 500 ml Neomeris electrolyte solution is a high-quality storage solution based on 3 mol/l potassium chloride (KCl), specially developed for the safe and long-term storage of pH and redox electrodes as well as other ion-selective electrodes (ISE). Why should you use the storage solution? Prevents drying out and maintains the functionality of the electrode Stable electrolyte and pH buffer for precise measurement results Ideal for laboratories, industry, and research The saturated KCl solution ensures that the electrode always remains moist and measures reliably when needed. This extends the service life of the electrode and ensures the accuracy of the measurements over the long term. Practical & hygienic: The 500 ml bottle has an integrated hygienic cap that protects the solution from contamination. Simply squeeze the bottle to dispense the required amount into the upper part – clean, controlled, and user-friendly. Product details: Contents: 500 ml Concentration: 3 mol/l KCl Application: Storage of pH, redox, and ISE electrodes Packaging: Bottle with hygienic dispensing function 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.

Manufacturer number: 50110172

This set contains the following pH solutions:1x pH 4.01 (60ml)1x pH 7.00 (60ml)1x pH 10.01 (60ml)Manufacturer article number: 3200820791

This set contains the following conductivity calibration solutions:1x 84 uS/cm (60 ml) 1x 1413 uS/cm (60 ml)1x 12.88 mS/cm (60 ml)1x 111.8 mS/cm (60 ml)Manufacturer article number: 3200820791

Manufacturer number: 50010252

Manufacturer number: 50002072Gel filling with porous separator, maintenance-free, fixed cable 3m, pH 0 to 14, temperature 0 to 60°C

Manufacturer number: 32200153Gel filling with porous separator, maintenance-free, fixed cable 3m, pH 0 to 14, temperature 0 to 60°C

Manufacturer number: 51100503with N.I.S.T. traceability

Manufacturer number: 51100513with N.I.S.T. traceability

Manufacturer number: 51102093Rinse solution for sensors

Manufacturer number: 51102083Storage solution for pH/ORP sensors

IP Protection: IP67 Manufacturer article number: 50014153

Dear customers, our handy pocket tester analysis case protects your handheld tester safely and also offers you space for the required calibration and buffer solutions. The solutions matching the tester in the form of the 25ml sachets or 70ml bottles find space in the matching foam blank.  Your analysis case consists of the following components: 1x pocket tester  1x conductivity calibration solution EC 12880 μS/cm (25ml bag or 70ml bottle) 1x conductivity calibration solution EC 1413 μS/cm (25ml bag or 70ml bottle) 2x batteries 1x lanyard for the pocket tester 1x pack of tissues  You can also purchase the case separately to safely store your existing testers and always have the appropriate calibration and buffer solutions on site in the case. IP protection class: IP67 

IP Protection: IP67Manufacturer article number: 50014163

IP Protection: IP67 With exchangeable probe  Manufacturer article number: 50014203

Dear customers, our handy pocket tester analysis case protects your handheld tester safely and also offers you space for the required calibration and buffer solutions. The solutions matching the tester in the form of the 25ml sachets or 70ml bottles find space in the matching foam blank.  Your analysis case consists of the following components: 1x pocket tester  1x conductivity calibration solution EC 12880 μS/cm (25ml bag or 70ml bottle) 1x conductivity calibration solution EC 1413 μS/cm (25ml bag or 70ml bottle) 2x batteries 1x lanyard for the pocket tester 1x pack of tissues  You can also purchase the case separately to safely store your existing testers and always have the appropriate calibration and buffer solutions on site in the case. IP protection class: IP67 

IP Protection: IP67 With exchangeable probe  Manufacturer article number: 50014213