LAQUAtwin SALT-11: The world’s first pocket-sized salinity meter. Your mobile laboratory – for on-site use: Ideal for water quality testing in aquariums, foodstuffs and many other applications. HORIBAs unique compact meter integrates the electrode, display and sample vessel to enable simple, effective on-site testing via direct measurement with a single drop. Minimum sample volume: 0.12 ml Display of salinity and temperature Up to 2 calibration points Automatic calibration Automatic standard recognition: 0.50 & 5.00 % NaCl Automatic temperature compensation: 2%/°C fixed Temperature calibration: 5 to 40.0 °C 2 salinity curves: NaCl & seawater Automatic stable / hold measurement Automatic switch-off: 30 mins Low battery indicator IP67 rated dust and waterproof Replaceable sensor 400-hour battery life: continuous operation without backlight Material: ABS-epoxy housing and titanium coating with platinum-black sensor Display: custom (monochrome) digital LCD with backlight Operating conditions: 5 to 40°C, 85% or less relative humidity Warranty: 2 years – meter, 6 months – sensor Packaged in a handy carrying case Manufacturer’s item number: 3999960128 Supplied with 0.5% and 5.0% NaCl standards (14 ml each), conditioning solution (4 ml), 2 x CR2032 batteries, pipette, instructions and quick guide Additional information We would like to inform you of an upcoming product update for the LAQUAtwin pocket analysers. To enhance product safety and prevent infants and young children from accidentally swallowing the batteries, HORIBA will be introducing a new battery cover on all LAQUAtwin pocket-sized analysers. Overview of the product change Change: Battery cover for enhanced safety. Reason: To prevent accidental swallowing of batteries. Production date: from January 2026 in Japan Deliveries to EMEA distribution partners: from March 2026 As this change is currently being rolled out, mixed deliveries of the current and updated versions may occur during the transition phase. Please note: The salt exchange sensors, both old and new, are not compatible with each other. Similarly, the conditioning solutions for the old and new versions are not compatible with the respective device variants. How can you tell if you have an older or a new device? If your Pocket Tester is marked ‘4-cell’, you have the latest version of this device. In this case, you will need the replacement sensors listed in the cross-selling section, as well as the standard and conditioning solutions. These have been specially optimised for the new Pocket Testers and are not suitable for older models.

LAQUAtwin SALT-22: The world’s first pocket-sized salinity meter. Your mobile laboratory – for on-site use: Ideal for water quality testing in aquariums, foodstuffs and many other applications. HORIBAs unique compact meter integrates the electrode, display and sample chamber to enable simple, effective on-site testing through direct measurement with a single drop. Minimum sample volume: 0.3 ml (0.05 ml with sample sheet B) Display of salinity, mV and temperature Up to 2 calibration points Automatic calibration Automatic standard recognition: 0.5 & 5.0% NaCl (standard) Adjustable high and low calibration values Temperature calibration: 5 to 40.0 ºC Automatic stabilisation / automatic hold measurement Automatic switch-off: 30 mins Low battery indicator IP67 rated dust and waterproof Replaceable sensor 400-hour battery life: continuous operation without backlight Material: ABS-epoxy Display: custom (monochrome) digital LCD with backlight Operating conditions: 5 to 40 ºC, 85% or less relative humidity Warranty: 2 years – meter; 6 months – sensor Packaged in a handy carrying case Manufacturer’s item number: 3200689158 Supplied with 0.5% and 5.0% NaCl standards (14 ml each), 5 x Sample Form B, 2 x CR2032 batteries, pipette, instructions and quick guide Additional information We would like to inform you of an upcoming product update for the LAQUAtwin pocket meters. To enhance product safety and prevent infants and young children from accidentally swallowing the batteries, HORIBA will be introducing a new battery cover on all LAQUAtwin pocket-sized analysers. Overview of the product change Change: Battery cover for enhanced safety. Reason: To prevent accidental swallowing of batteries. Production date: from January 2026 in Japan Deliveries to EMEA distribution partners: from March 2026 As this change is currently being rolled out, mixed deliveries of the current and updated versions may occur during the transition phase. Please note: The salt exchange sensors, both old and new, are not compatible with each other. Similarly, the conditioning solutions for the old and new versions are not compatible with the respective device variants. How can you tell if you have an older or a new device? If your Pocket Tester is marked ‘4-cell’, you have the latest version of this device. In this case, you will need the replacement sensors listed in the cross-selling section, as well as the standard and conditioning solutions. These have been specially optimised for the new Pocket Testers and are not suitable for older models.

Mobile Sodium Ion Tester from Horiba with Temperature Measurement – precise and robust High-precision sodium ion tester with 2-point calibration – ideal for water and environmental analysis The Horiba LAQUAtwin Na-11 sodium ion tester was specifically designed for accurate measurement of sodium concentrations in a wide range of samples. The device enables direct on-site measurements. Its clear display shows both the Na⁺ concentration and the sample temperature in a single step, making field, laboratory, and greenhouse work significantly more efficient. Mobile sodium ion tester for precise on-site measurements Featuring 2-point calibration and automatic standard recognition (150 and 2000 ppm), the instrument can be easily adapted to different measurement requirements. The integrated temperature display and automatic temperature compensation ensure accurate results even under fluctuating environmental conditions. The robust IP67 housing is dustproof and waterproof, making the tester suitable for demanding daily use. With a battery life of approximately 400 hours, reliable long-term operation is ensured. The tester is supplied with standard solutions, sampling sheets, batteries, and matching pipettes for immediate use. Why sodium measurement matters – and why a handheld tester is the ideal solution Measuring sodium ions plays a crucial role in water, environmental, food, and agricultural analysis. Excessively high or low sodium concentrations can significantly affect water quality, soil structure, plant growth, and the quality of food products and drinking water. Regulatory limits and quality standards further require regular monitoring. A mobile sodium ion handheld tester enables fast and precise analysis directly at the point of use, without time-consuming sampling or laboratory analysis. The Horiba LAQUAtwin Na-11 combines this flexibility with high measurement accuracy and ease of use, making it ideal for routine monitoring, quality control, and research applications. Typical applications for the Horiba sodium ion tester Environmental monitoring: Measurement of sodium concentrations in surface and groundwater to assess water quality and ensure compliance with environmental standards. Food and beverage production: Testing sodium levels in food and beverages for quality assurance, product development, and regulatory compliance. Agriculture: Monitoring sodium content in irrigation water and soils to support plant health and optimize water management. Research & development: Use in laboratories for experimental studies on sodium ion behavior under varying conditions. Education: Utilized in schools and universities to demonstrate the use of ion-selective electrodes in analytical chemistry. Additional information We would like to inform you of an upcoming product update for the LAQUAtwin handheld analysers. To enhance product safety and prevent infants and young children from accidentally swallowing the batteries, HORIBA will be introducing a new battery cover on all LAQUAtwin pocket-sized analysers. Overview of the product change Change: Battery cover for enhanced safety. Reason: To prevent accidental swallowing of batteries. Production date: From January 2026 in Japan Deliveries to EMEA distribution partners: From March 2026 As this change is currently being rolled out, mixed deliveries of the current and updated versions may occur during the transition period. Frequently asked questions How long is the warranty period for HORIBA pocket testers? The warranty period is two years from delivery for commercial customers. How many measurements can be taken before the sensor needs to be replaced? This varies depending on the application, use and storage of the Horiba tester. As a rule, the sensor should be replaced after one year. How long is the warranty period for replacement sensors for pocket testers? The warranty period is 12 months after delivery for commercial customers. How do you clean the pocket tester? The pocket tester can be rinsed under water. We recommend cleaning with DI water (deionised). Tissue paper is recommended for drying after cleaning. How can the pocket tester be reset to factory settings? (e.g. in the event of an incorrect measurement result) This information can be found in the operating instructions. These can be found in the download area of the shop and on the product. Is calibration necessary before each measurement? Basically, yes. Further information can be found in the operating instructions.

Horiba Y046 Sampling Sheet B Contains 100 pcs. / boxuse for minute samples (minimum of 0.05 ml) and particulate-containing samples (e.g., soil extract) for the latter, please use sampling sheet holder and cover the sensor during measurement for LAQUAtwin and Twin pocket meters, except conductivity and salt EC modelsManufacturer Part Nr. 3200053858

Horiba Y048 sample sheet holder for sample sheet B (sheet B is used for samples with particles)Manufacturer Part Nr. 3200459736

Der Milwaukee C65 Waterproof EC Pen bringt robuste Technik für präzise Leitfähigkeitsmessungen im niedrigen Bereich. Automatische Temperaturkompensation (ATC) sorgt für verlässliche Messergebnisse bei wechselnden Bedingungen. Dank wasserdichtem Gehäuse und austauschbarer Sonde ist das Gerät ideal für den Outdoor-Einsatz, Labor oder Messungen in feuchten Umgebungen.

Der EC59 von Milwaukee ist ein vielseitiger, wasserdichter Tester zur Messung von Leitfähigkeit (EC), gelösten Feststoffen (TDS) und Temperatur. Mit automatischer Temperaturkompensation und einer wechselbaren Sonde ausgestattet, eignet er sich für Anwendungen in Wasseraufbereitung, Aquakultur und Hydroponik. Seine robuste Bauweise und einfache Bedienung machen ihn zum zuverlässigen Begleiter im Alltag.

The Total Chlorine powder reagent kit includes high-quality reagents that are ready-to-use with MW11 Total Chlorine Tester. The reagents use the DPD Method with a reaction between chlorine and reagent causing a pink tint in the sample. Simply add the reagent to the sample, wait for the reaction to take place and the photometer determines the concentration based on the color. The reagents are designed for use with samples that have an expected range of 0.00 to 3.50 ppm (mg/L) total chlorine.Total Chlorine powder reagent replacement kit (25 reagent sachets)Pre-made reagents for precision and ease of useMarked with expiration date and lot number for traceabilityFor use with the MW11 Tester

The MI527-25 IodinePowder reagent kit includes high-quality reagents that are ready-to-use with MW13. The MW34 meter and reagents use the DPD Method. The reaction between Iodineand the reagent causes a pink tint in the sample. Simply add the reagent to the sample, wait for the reaction to take place and the photometer determines the concentration based on the color. The reagents are designed for use with samples that have an expected range of 0.0 to 12.5 ppm (mg/L). Iodinepowder reagent replacement kit (25 tests) Pre-made reagents for precision and ease of use Marked with expiration date and lot number for traceability For use with the MW13 Tester

Chlorine is the most commonly used water disinfectant. Applications vary from treatment of drinking water and wastewater to pool and spa sanitization and food processing to sterilization.Key features include:- User friendly- Small & Ergonomic case design- Inexpensive- Large and easy to read display- Good accuracy and immediate resultsAccessories:- Mi526-25 Powder reagents for free chlorophotometer (25 pieces) (item no. 895551)- MI0011 (10ml) glass vials for handy photometer (2 pieces) (Art.-No. 895555)- MI0013 Plastic stopper caps for 10 ml glass cuvettes (2 pieces) (Art.-No. 895556)The handy photometers are supplied in a carton box with all accessories. Frequently asked questions How easy is the Milwaukee MW10 to use? Very easy – just add a water sample, press the button, and the result is displayed immediately. How accurately does the tester measure the chlorine level? The tester provides reliable and precise readings for everyday use, e.g. in swimming pool water. Do I need any additional accessories for the measurement? Yes, reagents are required, but they are easy to buy and simple to use. How long does a measurement take, roughly? You will usually get the result in less than a minute. Is the device suitable for beginners? Absolutely; even without prior knowledge, you’ll get the hang of it quickly. How often do I need to maintain or clean the tester? Only occasionally – simply rinse with clean water after use.

Chlorine is the most commonly used water disinfectant. Applications vary from treatment of drinking water and wastewater to pool and spa sanitization and food processing to sterilization. Key features include: - User friendly - Small & Ergonomic case design - Inexpensive - Large and easy to read display - Good accuracy and immediate results Accessories: - Mi524-25 Powder reagents for total chlorine photometer (25 pieces) (art. no. 895552) - MI0011 (10ml) glass vials for handy photometer (2 pieces) (Art.-No. 895555) - MI0013 Plastic stopper caps for 10 ml glass cuvettes (2 pieces) (Art.-No. 895556) The handy photometers are supplied in a carton box with all accessories. Frequently asked questions What exactly does the Milwaukee MW11 measure? It measures the total chlorine level in the water, i.e. free and combined chlorine together. Is the tester suitable for my pool? Yes, it is ideal for swimming pools, hot tubs and also for testing tap water. How quickly do I get a reading? It usually takes only about 1 minute for the result to appear. Do I need to do a lot of setting up or preparation? No, it is simple to use and easy to understand. Do I need any extra accessories to use it? Yes, suitable reagents are required and can be easily reordered. How do I look after the device properly? Rinse it briefly after use, and it will remain reliable for a long time.

Iodine is used as disinfectant in various applications - one of the most common is the poultry industry waste water treatment. Key features include: - User friendly - Small & Ergonomic case design - Inexpensive - Large and easy to read display - Good accuracy and immediate results Accessories: - MI527-25 Powder reagents for iodine photometer (25 pieces) (item no. 895553) - MI0011 (10ml) glass cuvettes for handy photometer (2 pieces) (Art.-No. 895555) - MI0013 Plastic stopper caps for 10 ml glass cuvettes (2 pieces) (Art.-No. 895556) The handy photometers are supplied in a carton box with all accessories. Frequently asked questions What exactly does the Milwaukee MW13 measure? It measures the iodine content in water quickly and reliably. Is it complicated to use? No, just add a water sample, add the reagent, press the button – that’s it. How quickly do I get a result? You’ll usually see the reading within a minute. Do I need anything else to take a measurement? Yes, suitable reagents are required and readily available. Can I use the tester even without any experience? Yes, it’s simple in design and easy to understand. How do I keep the tester in good working order for a long time? Clean it briefly after each use and store it in a dry place.

MW302 is a high range portable conductivity meter (EC) with automatic temperature compensation.This meter is designed to meet the need for equipment suitable for agricultural and hydroponic environments and it is also an excellent meter for food, laboratory and water treatment applications.Conductivity testing provides a method for optimising chemical use and minimising operating costs and in hydroponics, conductivity measurement is ideal for determining the concentration of fertiliser in a solution.Once determined, one can adjust the nutrient formula for optimal plant growth.The MW302 has a measuring range of 0.0 to 10.0 mS/cm with a resolution of 0.1 mS/cm.This EC meter comes complete with conductivity probe with a 1m cable and calibration solution.

The portable 4-in-1 MW306 PRO conductivity/TDS/NaCl (salinity)/temperature meter has won many fans worldwide with its reliable fast and easy operation. It is also very rugged and has IP67 waterproof rating.   It has a user-friendly interface for data exchange and as mentioned at the beginning, it is designed to measure four different parameters of water.  Ideal for use in hydroponics, horticulture, laboratories, food processing, water treatment and many other applications with demanding measurement requirements.

MW401 is a portable TDS meter with automatic temperature compensation and low range.This meter is designed for aquariums, aquaculture, laboratories and water treatment applications to meet the needs of both hobbyists and professionals.It is also an excellent meter for food labs and water treatment applications.TDS tests provide a method for optimising chemical use and minimising operating costs.In aquariums and aquaculture, high concentrations of total dissolved solids (TDS) can affect water clarity and reduce photosynthesis of aquatic plants.In water treatment, high TDS can affect the clarity and taste of drinking water.The MW401 has a measuring range of 0 to 1990 mg/L (ppm) with a resolution of 10 mg/L (ppm).This meter comes complete with conductivity probe with 1 m (3.3') cable and calibration solution.

MW402 is a high range (TDS) portable conductivity meter with automatic temperature compensation.This meter is designed for aquariums, aquaculture, laboratories and water treatment applications to meet the needs of both hobbyists and professionals.It is also an excellent meter for food labs and water treatment applications.TDS tests provide a method for optimising chemical use and minimising operating costs.In aquariums and aquaculture, high concentrations of total dissolved solids (TDS) can affect water clarity and reduce photosynthesis of aquatic plants.A high TDS value can affect the clarity and taste of drinking water.The MW402 has a measuring range of 0.0 to 10.0 g/L (ppt) with a resolution of 0.1 g/L (ppt).This TDS meter comes complete with conductivity probe with 1 meter (3.3') cable and a calibration solution.

The Milwaukee MW600 PRO Portable Dissolved Oxygen meter is one of Milwaukee's most popular meters with its reliable and fast operation as well as its accuracy.The Milwaukee PRO DO Meter is preferred by people looking for lab level accuracy without the cost.DESIGN FEATURESFast, easy-to-read results with large digital LCD readoutRepeatable, accuracy to ±1.5% FSLightweight and portableSimple 2 point open air calibrationUses MA840 reinforced polarographic probe with an oxygen-permeable polytetrafluroethylene (PTFE) membrane sensor5x o-rings, membranes and one protective cap included3m probe cable for extra flexibility when testing70 hours of battery life with continuous use (battery included) with low battery warning

The Milwaukee MW605 MAX Galvanic Portable Waterproof Dissolved Oxygen meter is one of Milwaukee's most popular meters with its reliable and fast operation as well as its accuracy.The Milwaukee MW605 MAX DO Meter is preferred by people looking for lab level accuracy without the cost.The Milwaukee DO Meter is popular with everyone from field biologists, educators, fish farmers, water treatement plants and labs.DESIGN FEATURESFast, easy-to-read results with large digital LCD readoutGalvanic probe means no conditioning timeRepeatable, accuracy to ±1.5% of readingWater Proof IP 67 ratedLightweight and portableSimple 1 or 2 % saturation calibration points at 100% (water saturated air) and 0% (zero oxygen solution)Dedicated GLP key to store and recall data on system statusAvailable log space for up to 1000 recordsLogged data export via USB cableAltitude and Salinity compensationAutomatic temperature compensation °F & °CUses MA860 (included) reinforced Galvanic probe with an oxygen-permeable polytetrafluroethylene (PTFE) membrane sensor2x O-rings, membranes and one protective cap included3m probe cable for extra flexibility when testing3 x 1.5 volt akaline AA battery (battery included) approx. 200 hours of battery life with continuous use with low battery warning

Das Milwaukee MW803 ist ein kompaktes, wasserdichtes All-in-One-Messgerät für pH, Leitfähigkeit, TDS und Temperatur. Speziell für Messungen im niedrigen Leitfähigkeitsbereich entwickelt, eignet es sich optimal für Hydroponik, Trinkwasseranalysen und Anwendungen mit geringer Salzkonzentration. Dank automatischer Temperaturkompensation, austauschbarer Sonde und einfacher Handhabung bietet der MW803 höchste Zuverlässigkeit auch im mobilen Einsatz.

Frequently asked questions Why do I need a pH tester in the first place? It’s used to measure whether the water is more acidic or more alkaline. Is the device suitable for beginners? Yes. Simply switch it on, dip it in the water and read the result straight away. How quickly do I get a result? You can see the current pH value on the display in a few seconds. How accurate is a pH tester in everyday use? The readings are reliable and help you keep a close eye on the quality of the water. Can I use the device for different types of water? Yes, for example for drinking water, aquariums or watering plants.

Das Milwaukee PH55 ist ein wasserdichtes, kompaktes Messgerät für pH und Temperatur. Mit automatischer Temperaturkompensation und einer austauschbaren Sonde liefert es schnelle und präzise Messergebnisse im Bereich 0,00–14,00 pH. Dank seiner robusten Bauweise ist es ideal für den Einsatz in Aquaristik, Hydroponik oder Umweltkontrolle. Die einfache Zwei-Punkt-Kalibrierung sorgt für zuverlässige Ergebnisse auch im professionellen Umfeld.

Der Milwaukee PH58 ist ein vielseitiges, wasserdichtes Messgerät für pH, Redox (ORP) und Temperatur. Mit automatischer Temperaturkompensation und austauschbarer Sonde liefert er zuverlässige Ergebnisse in verschiedenen Anwendungen – von Aquakultur über Laboranalysen bis hin zu Umweltprüfungen. Die robuste Bauweise und die einfache Kalibrierung machen den PH58 zum idealen Begleiter für präzise Messungen im Alltag und im professionellen Bereich.

Frequently Asked Questions What can I use the device for in everyday life? You can use it to easily check water quality, for example for aquariums, plants or drinking water. Is it suitable for beginners? Yes, the device is very straightforward and can be used straight away without any prior knowledge. Do I need to calibrate the meter regularly? Occasional calibration ensures accurate results, but it is quick and straightforward to do. Does the device work at different water temperatures? Yes, it automatically adjusts the measurement to the temperature and provides reliable readings. What range of values is the device suitable for? It measures particularly accurately at low values, making it ideal for sensitive applications such as aquariums or osmosis water.

Der Milwaukee T76 Waterproof TDS Pen deckt hohe Konzentrationen gelöster Feststoffe ab – robust, wasserdicht und mit ATC-Technologie für verlässliche Messungen. Dank austauschbarer Sonde besonders langlebig und wartungsfreundlich. Optimal für professionelle Einsatzfelder mit anspruchsvollen Bedingungen.