Horiba Conditioning Solution for Conductivity and Salt Sensors (514-20)

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.

The HORIBA LAQUAtwin Pocket Testers provide a comprehensive solution for immediate and precise measurement of water quality parameters directly in the field. To ensure that these measurements remain reliable and accurate, it is important to regularly check the sensors and replace them with spare sensors if necessary. The replacement sensors developed for the HORIBA LAQUAtwin series cover various types for different measurements: pH, conductivity, salinity, redox (ORP), as well as ion-selective sensors for sodium, potassium, nitrate, calcium, and fluoride. All of these sensors are designed to maximize user-friendliness and precision, qualities for which HORIBA is globally recognized in water quality testing. HORIBA replacement sensors ensure that users’ devices consistently deliver optimal performance and accurate measurements. Advantages of HORIBA Replacement Sensors Easy Replacement: Sensors can be quickly exchanged, allowing measurements to continue without delay. High Precision: Replacement sensors ensure that results are exact and reliable. Wide Measurement Range: Various sensor types are available to capture a broad spectrum of water quality parameters. Durability: Sensors are designed for long service life, even under challenging conditions. Sensor Replacement Instructions To ensure the longevity and accuracy of your HORIBA LAQUAtwin Pocket Tester, please follow these instructions when replacing a sensor: Removing the Sensor Turn off the tester. Carefully detach the sensor from the device and lift the sensor tip. Completely separate the sensor from the tester so that the two components are no longer connected. Installing the Sensor Ensure the tester is turned off. Check that the waterproof gasket is clean and undamaged. Attach the sensor to the tester by inserting hook “A” on the back of the device into hole “a” on the sensor tip. Make sure the waterproof gasket is not twisted. Important: After replacing the sensor, it is essential to follow the steps in the user manual of the respective tester to make the device ready for accurate measurements. (These manuals are available with the products. Calibration and, if necessary, conditioning are usually required.) How can I check if my sensor shows signs of wear? Check the sensor condition as follows: Perform a 2-point calibration. If an error occurs during calibration, this indicates that the sensor has deteriorated. In this case, replacing the sensor is recommended. Regular checks and timely replacement of sensors are essential to ensure the high standards and reliability of water quality measurements performed with HORIBA LAQUAtwin Pocket Testers. Please note: The salt exchange sensors, both old and new, are not compatible with one another. Similarly, the conditioning solutions for the old and new versions are not compatible with the respective device variants. How can you tell whether you have an older or a newer 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 the older models. Manufacturer Part Nr. 3200597237

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.

The HORIBA LAQUAtwin Pocket Tester series provides a comprehensive solution for fast and precise measurement of water quality parameters directly in the field. To ensure these measurements remain reliable and accurate, regular monitoring of the sensors and, if necessary, replacement with spare sensors is crucial. These replacement sensors are tailor-made for the HORIBA LAQUAtwin series and cover a wide range of types for various measurements: pH, conductivity, salinity, redox (ORP), as well as ion-selective sensors for sodium, potassium, nitrate, calcium, and fluoride. Each sensor is designed to maximize user-friendliness and accuracy, which HORIBA is renowned for in water quality testing worldwide. HORIBA replacement sensors guarantee users that their devices consistently deliver optimal performance and precise measurements. Advantages of HORIBA Replacement Sensors Easy Replacement: Sensors can be exchanged quickly, allowing uninterrupted measurement. High Accuracy: Replacement sensors ensure precise and reliable results. Wide Measurement Range: Various sensor types are available to capture a broad spectrum of water quality parameters. Durability: Sensors are designed for long service life, even under challenging conditions. Sensor Replacement Instructions Follow these steps to replace the sensor and maintain the longevity and accuracy of your HORIBA LAQUAtwin Pocket Tester: Removing the Sensor Turn off the tester. Lift the sensor tip slightly and pull the sensor away from the device. Completely detach the sensor from the tester. Installing the Sensor Make sure the tester is turned off. Ensure the waterproof gasket is intact and clean. Attach the sensor to the tester so that hook “A” on the back of the device fits into hole “a” on the sensor tip. Make sure the waterproof gasket is not twisted. Important: After replacing the sensor, follow the instructions in the user manual of the respective tester to make the device ready for accurate measurements. This typically includes calibration and, if necessary, conditioning. How can I tell if my sensor is worn out? Check the sensor condition as follows: Perform a 2-point calibration. If an error occurs during calibration, this indicates that the sensor has deteriorated. In this case, the sensor should be replaced. Regular checks and timely replacement of sensors ensure the high quality and reliability of your water quality measurements with HORIBA LAQUAtwin Pocket Testers. 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. Manufacturer Part Nr. 3200459866

Find out more about the accuracy of HORIBA’s pocket conductivity testers: your ideal choice for precise conductivity measurements. The EC-11, EC-22 and EC-33 models, manufactured in Japan, represent the pinnacle of quality in pocket testers. They offer numerous benefits for users in laboratories, industry, aquaculture, water treatment, schools and universities, as well as amateur gardeners. An overview of the HORIBA Conductivity Pocket Tester series: Model EC-11: Water resistance, micro-sample analysis from 0.12 ml and a conductivity measurement range of up to 19.99 mS/cm are the key features of these instruments. They are straightforward to use and maintain, ensuring long-term reliability. Model EC-22: Offers a larger temperature display and a wider measurement range. Perfect for advanced applications where the temperature of the medium must be determined for detailed analysis. Model EC-33: With the widest measurement range, TDS measurement capability and advanced features, this model sets new standards. For professionals who need to carry out the most precise measurements under varying conditions. Applications and benefits for the user: ‘Immersion’: Direct measurement is possible in solutions. For example, you can immerse the tester in a beaker and determine the value. ‘Scoop’: The hinged lid, which acts as a scoop here, allows you to easily take a sample from a hard-to-reach area. ‘Drops’: Efficient analysis of the smallest volumes. Thanks to their user-friendliness, durability and ‘Made in Japan’ quality, HORIBA pocket conductivity testers are a reliable solution for a variety of measurement applications. Manufacturer’s item number: 3999960126 LAQUAtwin EC-22: The world’s first pocket-sized conductivity meter Your mobile laboratory – for on-site use: Ideal for water quality testing in aquariums, foodstuffs and many other applications. HORIBAs unique compact analyser integrates the electrode, display and sample chamber to enable simple, effective on-site testing through direct measurement using a single drop. Minimum sample volume: 0.12 ml Up to 3 calibration points Conductivity and temperature display Automatic range Automatic calibration Automatic standard recognition: 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm Automatic temperature compensation: 2%/°C fixed Temperature calibration: 5 to 40.0 °C Automatic stabilisation / automatic hold measurement Automatic switch-off: 30 mins Low battery indicator IP67 rating: dust and water resistant Replaceable sensor 400-hour battery life: continuous operation without backlight Materials: ABS-epoxy housing and titanium coating with platinum-black sensor Display: custom (monochrome) 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 Supplied with 1413 µS/cm & 12.88 mS/cm conductivity standards (14 ml each), conditioning solution (4 ml), 2 x CR2032 batteries, dropper, instructions and quick start guide Additional information We would like to inform you of an upcoming product update for the LAQUAtwin pocket-sized analysers. To enhance product safety and prevent accidental swallowing of the batteries by infants and young children, HORIBA will be introducing a new battery cover on all LAQUAtwin pocket-sized analysers. Overview of the product change Change: Battery cover for increased 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, you may receive mixed deliveries of the current and updated versions during the transition period. Please note: The EC4 replacement 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 the older models.

Find out more about the accuracy of HORIBA’s pocket conductivity testers: your ideal choice for precise conductivity measurements. The EC-11, EC-22 and EC-33 models, manufactured in Japan, represent the pinnacle of quality in pocket testers. They offer numerous benefits for users in laboratories, industry, aquaculture, water treatment, schools and universities, as well as amateur gardeners. An overview of the HORIBA Conductivity Pocket Tester series: Model EC-11: Water resistance, micro-sample analysis from 0.12 ml and a conductivity measurement range of up to 19.99 mS/cm are the key features of these instruments. They are straightforward to use and maintain, ensuring long-term reliability. Model EC-22: Offers a larger temperature display and a wider measurement range. Perfect for advanced applications where the temperature of the medium must be determined for detailed analysis. Model EC-33: With the widest measurement range, TDS measurement capability and advanced features, this model sets new standards. Designed for professionals who need to take the most precise measurements under varying conditions. Applications and benefits for the user: ‘Immersion’: Direct measurement is possible in solutions. For example, you can immerse the tester in a beaker and determine the value. ‘Scoop’: The hinged lid, which acts as a scoop here, allows you to easily take a sample from a hard-to-reach area. ‘Drops’: Efficient analysis of the smallest volumes. Thanks to their user-friendliness, durability and ‘Made in Japan’ quality, HORIBA pocket conductivity testers are a reliable solution for various measurement applications. Manufacturer’s item number: 3999960127 LAQUAtwin EC-33: The world’s first pocket-sized conductivity 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 using a single drop. Minimum sample volume: 0.12 ml Up to 3 calibration points Conductivity, TDS and temperature display Automatic range Automatic calibration Automatic standard recognition: 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm Automatic temperature compensation: 2%/°C fixed Temperature calibration: 5 to 40.0 °C 4 curves for total dissolved solids: TDS factor 0.4 to 1.0, EN 27888, 442, NaCl Automatic stable / automatic hold measurement Automatic switch-off: 30 mins Low battery indicator IP67 rating: dust and waterproof Replaceable sensor 400-hour battery life: continuous operation without backlight Materials: ABS-epoxy housing and titanium coating with platinum-black sensor Display: custom (monochrome) LCD with backlight Operating conditions: 5 to 40°C, 85% or less relative humidity Warranty: 2 years – meter, 6 months – sensor Packaged in a practical carrying case Supplied with 1413 µS/cm & 12.88 mS/cm conductivity standards (14 ml each), conditioning solution (4 ml), 2 x CR2032 batteries, dropper, instructions and quick start guide Horiba LAQUAtwin – Portable precision for water treatment The compact Horiba LAQUAtwin pocket testers offer a fast, precise and straightforward solution for on-site measurement of key water parameters – directly from a single drop. In the HeylNeomeris shop, you will find selected models for professional use in water treatment, environmental analysis, aquaculture or everyday laboratory work. Why LAQUAtwin devices are ideal for water treatment: Measurement directly from a drop – only 0.05 ml sample volume required Fast results – ideal for mobile checks and spot analyses Accurate results – laboratory quality despite compact design Easy to use – no prior knowledge required Waterproof housing (IP67) – robust and suitable for outdoor use Applications in water treatment: Rapid tests in drinking water analysis or for quality control of process water Regular monitoring of parameters such as pH, conductivity, calcium, sodium or nitrates Interim checks in the laboratory or plant where larger instruments are impractical Ideal for service personnel, field staff or operators of small plants Examples of models available in the HeylNeomeris Shop: Horiba LAQUAtwin pH-11 – for precise pH measurements Horiba LAQUAtwin EC-33 – for conductivity measurement Horiba LAQUAtwin Na-11, Ca-11, NO3-11 – specifically for measuring ions such as sodium, calcium or nitrate Additional information We would like to inform you of an upcoming product update for the LAQUAtwin pocket-sized 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 increased 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 is a change currently being rolled out, mixed deliveries of the current and updated versions may occur during the transition phase. Please note: The EC4 replacement 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 the older models.

The HORIBA LAQUAtwin Pocket Tester series allows water quality parameters to be measured quickly and accurately directly on site. To ensure that these measurements are reliable and accurate, it is essential to check the sensors regularly and replace them with replacement sensors where necessary. These replacement sensors have been specifically developed for the HORIBA LAQUAtwin series and offer a wide range of variants for various measurements: pH, conductivity, salinity, redox (ORP), as well as ion-selective sensors for sodium, potassium, nitrate, calcium and fluoride. Each of these sensors has been developed with the aim of maximising the user-friendliness and accuracy for which HORIBA is renowned worldwide in the field of water quality testing. The advantages of HORIBA replacement sensors are: Easy replacement: The sensors are easy to replace, allowing measurements to resume quickly. Highest accuracy: The replacement sensors ensure that measurement results are precise and reliable. Wide range of measurements: Various types of sensors are available for different water quality parameters. Durability: The sensors are designed to have a long service life, even under challenging conditions. Instructions for sensor replacement: To ensure that your HORIBA LAQUAtwin Pocket Tester remains durable and accurate, please follow these steps when replacing the sensor: Removing the sensor Switch off the meter. Lift the tip of the sensor. Then slide the sensor slightly away from the meter. Remove the sensor completely from the meter (by pulling). Fitting the sensor Switch off the meter. Ensure that the water-resistant seal is clean and undamaged. Press the sensor onto the meter so that the hook ‘A’ on the back of the meter fits into the hole ‘a’ on the sensor tab. Make sure that the waterproof seal is not twisted. Important: To get the measuring device back up and running for accurate measurements, follow the steps in the user manual for the relevant tester after replacing the sensor. (Our products include such manuals. In most cases, calibration and, if necessary, conditioning are required.) Question: How can I check if my sensor is worn out? Answer: By checking the condition of the sensor as follows: To check the sensor condition, perform a 2-point calibration. If a calibration error occurs, this suggests that the sensor is deteriorating. The sensor should therefore be replaced. By carrying out regular checks and replacing sensors in good time, you can ensure the high quality and reliability of your water quality measurements using the HORIBA LAQUAtwin Pocket Testers. Important note on compatibility Please note: The Horiba LAQUAtwin conductivity, TDS and temperature multi-parameter testers, both old and new, are not compatible with one another. Similarly, the conditioning solutions for the old and new versions are not compatible with the respective device variants. How can you tell whether you have an older or a newer 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 the older models. Manufacturer’s item number: 3200459672