With the HORIBA 4M LAQUAtwin Kit you get a high-quality mobile laboratory for your analyses. The high-quality case contains the well-known ion selectives "Made in Japan" LAQUAtwin Pocket Tester for sodium, potassium, nitrate and calcium determination and offers you a price advantage, as you receive the case including accessories free of charge compared to a single purchase.  The lid of the case itself contains a storage box for the colour-sorted calibration solutions included in the scope of delivery, as well as a wash / spray bottle for easy cleaning of the sensors. The case itself can hold up to seven HORIBA LAQUAtwin Pocket Testers, so simply add the additional testers you want to the shopping basket and we will take care of everything else. As usual, the manufacturer provides a two-year warranty and the devices offer the advantage that the sensors can be stored dry and you do not need any storage solutions. Do you have any questions? Please feel free to call us! Manufacturer Part No. 1300083234

Manufacturer Part No. 3200689161 LAQUAtwin CA-11 : The world's first pocket-sized calcium ion analyser. Your mobile laboratory - for use on site: Ideal for water quality testing in agriculture, aquariums, food and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.3 ml (0.05 ml with sampling sheet B) Up to 2 calibration points Automatic standard detection: 150 & 2000ppm calcium (standard) Adjustable high and low calibration values Multiplication compensation: 0.01 to 9.90 Temperature and mV display Temperature calibration: 5 to 40.0 ºC Auto-hold / auto-stable measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy Display: customised (monochrome) digital LCD with backlight Operating conditions: 5 to 40 ºC, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with 150 & 2000ppm calcium standards, 5 x sampling sheets B, 2 x CR2032 batteries, dropper, instructions and quick reference guide Calcium Meter – Precise Measurement of Calcium Levels in Water Calcium meters are essential tools for the accurate determination of calcium content in water. Monitoring calcium levels is important to prevent scaling, corrosion, and deposits in pipes and equipment, ensuring water quality. Why calcium meters are important: • Prevent scaling and damage to technical systems • Ensure optimal water hardness for process optimization • Support correct dosing of chemical additives • Monitor and comply with water quality standards HeylNeomeris offers high-quality calcium meters for both portable and stationary use, delivering fast, reliable, and precise results—ideal for water treatment, process water, and environmental analysis.

Manufacturer Part No. 3999960126 LAQUAtwin EC-22: The world's first pocket-sized conductivity meter Your mobile laboratory - for use on site: Ideal for water quality tests in aquariums, food and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.12 ml Up to 3 calibration points Conductivity and temperature display Automatic range Automatic calibration Automatic standard detection: 1413µS/cm, 12.88mS/cm, 111.8mS/cm Automatic temperature compensation: 2%/ºC fixed Temperature calibration: 5 to 40.0 ºC Automatically stable / automatically held measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Materials: ABS epoxy housing and titanium coating with platinum black sensor Display: customised (monochrome) LCD with backlight Operating conditions: 5 to 40°C, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with 1413µS/cm & 12.88mS/cm conductivity standards (14ml each), conditioning solution (4ml), 2 x CR2032 batteries, dropper, instructions and quick reference guide

Manufacturer Part No. 3999960127 LAQUAtwin EC-33: The world's first pocket-sized conductivity meter Your mobile laboratory - for use on site: Ideal for water quality tests in aquariums, food and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with 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 detection: 1413µS/cm, 12.88mS/cm, 111.8mS/cm Automatic temperature compensation: 2%/ºC fixed Temperature calibration: 5 to 40.0 ºC 4 curves for the total dissolved solids content: TDS factor 0.4 to 1.0, EN 27888, 442, NaCl Automatically stable / automatically held measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Materials: ABS epoxy housing and titanium coating with platinum black sensor Display: customised (monochrome) LCD with backlight Operating conditions: 5 to 40°C, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with 1413µS/cm & 12.88mS/cm conductivity standards (14ml each), conditioning solution (4ml), 2 x CR2032 batteries, drops, instructions and quick reference guide Horiba LAQUAtwin – Mobile Precision for Water Treatment The compact Horiba LAQUAtwin pocket testers deliver fast, accurate and user‑friendly on‑site measurement of key water parameters—directly from a single droplet. In the HeylNeomeris online shop, you’ll find carefully selected models designed for professional use in water treatment, environmental analysis, aquaculture, and laboratory routines. Why LAQUAtwin Devices Excel in Water Treatment: Ultra‑low sample volume: only 0.05 mL per measurement Rapid results: ideal for mobile checks and spot analyses Laboratory‑grade accuracy in a pocket‑sized instrument Effortless operation: no special training required IP67‑rated housing: waterproof, dustproof, and rugged for field use Key Applications in Water Treatment: Quick screening in drinking water testing or process water quality control Routine monitoring of parameters such as pH, conductivity, calcium, sodium, or nitrate Interim checks in laboratories or treatment plants where bench‑top instruments aren’t practical Perfect for service technicians, field engineers, and operators of small‑scale systems Sample Models Available in the HeylNeomeris Shop: Horiba LAQUAtwin pH‑11 – precision pH measurement Horiba LAQUAtwin EC‑33 – conductivity monitoring Horiba LAQUAtwin Na‑11, Ca‑11, NO₃‑11 – targeted ion analysis for sodium, calcium, and nitrate

Manufacturer Part No. 3200934412 LAQUAtwin F-11: The world's first pocket-sized fluoride ion analyser Your mobile laboratory - for on-site use HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Revolutionary fluoride ion analysis: Be part of history with the world's first and only pocket-sized fluoride ion analyser. Measurement capabilities for microsamples: The interchangeable sensor with a lanthanum trifluoride crystal enables measurements in samples as small as 0.3 ml (or 0.1 ml with a sampling sheet). Comprehensive measurement range: With a measurement range of 0.1 to 990 ppm or mg/L, the meter provides accurate fluoride ion readings. Unrivalled accuracy: With an accuracy of 2 % of the actual value, the meter ensures reliable results for your analyses. Convenient two-point auto-calibration: Achieve accuracy with two-point calibration as the meter automatically recognises and calibrates the 1 ppm and 10 ppm fluoride ion standard solutions included in the kit. You can adjust the calibration with other standard solutions that differ in concentration by a factor of ten. Multiplying compensation function: Taking into account the sample dilution in the measured value, the meter has a multiplying compensation function to calculate the correct concentration. Auto Stable & Auto Hold measurement modes: To assist users in recording stable readings, the meter displays a smiley face and can freeze the reading. Temperature Calibration: The meter displays temperatures up to 50.0°C and allows for temperature correction through its calibration function. IP67 rating: Water and dustproof meter with digital LCD display and backlighting Complete package for fluoride ion testing on the go: Each F-11 meter comes with 1ppm and 10ppm fluoride ion standard solutions (14ml each), TISAB solution (14ml), 5ml plastic cup, batteries, syringe and 5 sampling sheets.

The LAQUAtwin Nitrate Ion Handheld Tester (NO3-11C) included in the analysis kit is pre-set by the factory to the relevant calibration points 300PPM and 5000PPM for plant sap analysis. Manufacturer Part No. 3200689163  | B-741

The LAQUAtwin Nitrate Ion Handheld Tester (NO3-11C) included in the analysis kit is pre-set by the factory to the relevant calibration points 30PPM and 300PPM for soil analysis. Manufacturer Part No. 3200689164  | B-742

Manufacturer Part No. 3200689162 LAQUAtwin NO3-11: The world's first pocket-sized nitrate ion analyser Your mobile laboratory - for use on site: Ideal for water quality tests in agriculture, plant breeding and many other applications HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.3 ml (0.05 ml with sampling sheet B) Up to 2 calibration points Automatic standard detection Adjustable high and low calibration values Multiplication compensation: 0.01 to 9.90 Temperature and mV display Temperature calibration: 5 to 40.0 ºC Auto-hold / auto-stable measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy Display: customised (monochrome) digital LCD with backlight Operating conditions: 5 to 40 ºC, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with accessories (see specifications for more details)

Manufacturer Part No. 3200965260 LAQUAtwin ORP-11: The world's first pocket-sized ORP and Eh meter Your mobile laboratory - for use on site: Ideal for water quality tests in swimming pools, environmental tests and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop.  Versatile measurement: The only pocket-sized ORP meter that can measure not only the ORP value but also the Eh value (voltage measurement versus the standard hydrogen electrode or SHE) Precision in every drop: The replaceable sensor with platinum disc enables measurements in samples as small as 0.3 ml (or 0.05 ml with sampling sheet). Wide measuring range: With a measuring range from -1000 mV to 1000 mV, the meter ensures accurate readings over a wide range. Simple automatic one-point calibration: The meter automatically recognises and calibrates the 225 mV standard solution included in the kit. The calibration can be adjusted with a different ORP standard solution. Exceptional accuracy: With an accuracy of +/- 2 mV, the meter delivers precise results every time. Auto Stable & Auto Hold measurement modes: To help users record stable readings, the meter displays a smiley face and can freeze the reading. Temperature Compensation and Calibration: The meter displays temperatures up to 50.0 °C and allows for temperature compensation and correction through its calibration function. IP67 rating: Water and dustproof meter with digital LCD display and backlighting Complete package for ORP testing on the go: Each ORP-11 meter comes with a 225 mV ORP standard solution (14 ml), a cotton swab for polishing the platinum disc, a pipette, batteries and 5 sampling sheets.

Manufacturer Part No. 3999960123 LAQUAtwin PH-22: The world's first pocket-sized PH meter Your mobile laboratory - for use on site: Ideal for water quality testing in aquatic, drinking and process water and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.1 ml (0.05 ml with sampling sheet B) Up to 3 calibration points pH and mV display Automatic calibration Automatic buffer recognition: USA & NIST pH buffers Automatic temperature compensation Automatic stable / automatic hold measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy Display: customised (monochrome) LCD with backlight Operating conditions: 5 to 40°C, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with pH 4.01 & 7.00 buffers (14ml each), 2 x CR2032 batteries, drops, instructions and short manual

Manufacturer Part No. 3999960124 LAQUAtwin PH-33: The world's first pocket-sized PH meter Your mobile laboratory - for use on site: Ideal for water quality testing in aquatic, drinking and process water and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.1 ml (0.05 ml with sampling sheet B) Up to 5 calibration points pH, mV and temperature display Automatic calibration Automatic buffer recognition: USA & NIST pH buffers Automatic temperature compensation Temperature calibration: 5 to 40.0 ºC Automatic stable / automatic hold measurement Automatic switch off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy Display: customised (monochrome) LCD with backlight Operating conditions: 5 to 40°C, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with pH 4.01 & 7.00 buffers (14ml each), 2 x CR2032 batteries, dropper, instructions and quick reference guide

Manufacturer Part No. 3200689160 LAQUAtwin KA-11 : The world's first pocket-sized potassium ion analyser. Your mobile laboratory - for use on site: Ideal for water quality testing in agriculture, food and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.3 ml (0.05 ml with sampling sheet B) Up to 2 calibration points Automatic standard detection: 150 & 2000 ppm potassium (standard) Adjustable high and low calibration values Multiplication compensation: 0.01 to 9.90 Temperature and mV display Temperature calibration: 5 to 40.0 ºC Auto Hold / Auto Stable measurement Automatic switch-off: 30 min. Low battery indicator IP67 protection class, dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy resin Display: user-defined (monochrome) digital LCD with backlight Operating conditions: 5 to 40 ºC, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in practical carrying case Supplied with 150 and 2000 ppm potassium standards, 5 x sampling sheets B, 2 x CR2032 batteries, pipette, user manual and quick reference guides LAQUAtwin – Precision in Your PocketAt HeylNeomeris, the LAQUAtwin series offers compact pocket testers for mobile water analysis – fast, precise, and easy to use. Whether you're measuring pH, conductivity, calcium, sodium, or nitrate, these portable devices deliver immediate, actionable results with minimal sample volume. Perfect for routine water quality checks – in the lab, on-site, or on the go.Key Benefits:• Requires only 0.05 ml of sample volume• Fast and accurate results• Waterproof (IP67), compact, and user-friendly• Ideal for: drinking water, process water, environmental analysis, aquaculture, and education

Manufacturer Part No. 3999960128 LAQUAtwin SALT-11 : The world's first pocket-sized salinity analyser. Your mobile laboratory - for use on site: Ideal for water quality testing in aquariums, food and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.12 ml Displays salinity and temperature Up to 2 calibration points Automatic calibration Automatic standard detection: 0.50 & 5.00 % NaCl Automatic temperature compensation: 2%/ºC fixed Temperature calibration: 5 to 40.0 ºC 2 salinity curves: NaCl & seawater Automatically stable / automatically maintained measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy housing and titanium coating with platinum black sensor Display: customised (monochrome) digital LCD with backlight Operating conditions: 5 to 40°C, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with 0.5 % and 5.0 % NaCl standards (14 ml each), conditioning solution (4 ml), 2 x CR2032 batteries, pipette, instructions and short manual

Manufacturer Part No. 3200689158 LAQUAtwin SALT-22: The world's first pocket-sized salinity analyser. Your mobile laboratory - for use on site: Ideal for water quality testing in aquariums, food and many other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.3 ml (0.05 ml with sampling sheet B) Displays salinity, mV and temperature Up to 2 calibration points Automatic calibration Automatic standard detection: 0.5 & 5.0% NaCl (standard) Adjustable high and low calibration values Temperature calibration: 5 to 40.0 ºC Automatically stable / automatically held measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy Display: customised (monochrome) digital LCD with backlight Operating conditions: 5 to 40 ºC, 85% or less relative humidity Warranty: 2 years - meter; 6 months - sensor Packed in a practical carrying case Supplied with 0.5 % and 5.0 % NaCl standards (14 ml each), 5 x sampling sheet B, 2 x CR2032 batteries, pipette, instructions and short manual

Manufacturer Part No. 3200689159 LAQUAtwin NA-11 : The world's first pocket-sized sodium ion analyser. Your mobile laboratory - for use on site: Ideal for water quality testing in agriculture, plant breeding and other applications. HORIBA's unique compact meter integrates electrode, display and sample container to enable simple, effective on-site testing by direct measurement with a single drop. Minimum sample volume: 0.3 ml (0.05 ml with sampling sheet B) Up to 2 calibration points Automatic standard detection: 150 & 2000ppm sodium (standard) Adjustable high and low calibration values Multiplication compensation: 0.01 to 9.90 Temperature and mV display Temperature calibration: 5 to 40.0 ºC Auto-hold / auto-stable measurement Automatic switch-off: 30 min. Low battery indicator IP67 rating dust and waterproof Replaceable sensor 400 hours battery life: continuous operation without backlight Material: ABS epoxy Display: customised (monochrome) digital LCD with backlight Operating conditions: 5 to 40 ºC, 85% or less relative humidity Warranty: 2 years - meter, 6 months - sensor Packed in a practical carrying case Supplied with 150 & 2000ppm sodium standards, 5 x sampling sheets B, 2 x CR2032 batteries, dropper, instructions and quick reference guide

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 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.

Das Milwaukee EC60 ist die ideale Lösung für Messungen mit hohem Leitfähigkeitsbereich. Es kombiniert EC-, TDS- und Temperaturmessungen in einem wasserdichten Gerät und bietet automatische Temperaturkompensation. Die austauschbare Sonde sorgt für lange Einsatzdauer. Optimal für industrielle Anwendungen oder Umgebungen, in denen besonders hohe Salz- oder Mineralgehalte zu messen sind.

The digital refractometer is an optical instrument that measures the refractive index to determine the percentage Brix content of sugar.

The digital refractometer is an optical instrument that measures the refractive index to determine the percentage fructose content.

The digital refractometer is an optical instrument that measures the refractive index to determine the percentage glucose content.

Digital refractometers are optical instruments that use the measurement of refractive index to determine the percentage of invert sugar.

The digital refractometer is an optical instrument that measures the refractive index to determine the percentage Brix content of sugar.