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Compact Water Quality Meter

Compact Water Quality Meter
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Compact Water Quality Meter

Product catalog summary
Introduction
The document introduces the LAQUAtwin compact water quality meters by HORIBA, highlighting their accuracy, simplicity, and reliability for measuring water quality in various environments such as seas, lakes, rivers, soil, crops, and food.
Specifications and Features
The LAQUAtwin meters provide quick and accurate measurements of pH, conductivity, and ion content with minimal sample volumes. They are compact, portable, and utilize flat sensor technology for easy in-situ sampling without additional labware.
Measurement Capabilities
  • pH Measurement: Provides accurate readings from a single drop, suitable for aquaria and food quality testing.
  • Conductivity Measurement: Measures water conductivity with as little as 0.12 mL of sample, useful for assessing atmospheric purity and soil health.
  • Ion Content Measurement: Measures essential ions like sodium, potassium, nitrate, and calcium with just 0.3 mL of sample.
Applications
The meters are versatile, supporting applications in agriculture, food testing, environmental monitoring, and education, aiding in on-site decision-making.
Operational Guidelines
The document outlines a simple three-step measurement process: calibrate, test, and clean. It emphasizes proper calibration and sensor maintenance for accurate results. The meters are waterproof and dustproof for durability in various conditions.
Technical Specifications
Detailed technical specifications are provided for different models, including measurement principles, sample volume requirements, measurement ranges, accuracy, and calibration options, along with included accessories.
Conclusion
The LAQUAtwin meters offer reliable and accurate water quality measurements in a compact, user-friendly format, ideal for professionals and educators needing portable water analysis tools.
Introduction
The document also discusses the LAQUAtwin ion electrode, a compact device for measuring ion concentrations in various substances, applicable to liquids, solids, powders, and moisture-containing materials.
Specifications
The LAQUAtwin ion electrode features a flat sensor less than 1mm thick, with components like a glass membrane and reference electrode for pH measurement, and an electrical conductivity cell for conductivity measurement, providing results comparable to ion chromatography.
Functionality
The ion electrode measures electric potential based on ion concentration, using a selectivity coefficient to correct for interference from other ions. Calibration is performed with a standard solution, and a temperature sensor adjusts pH measurements for temperature influence.
Applications
Used in agriculture for measuring nutrients like nitrate, potassium, and phosphate, and in industrial settings for measuring calcium in cement and other materials.
Measurement Principles
Conductivity measurements determine electrolyte presence in water, while the salt meter measures sodium ions for accurate NaCl concentration readings.
Standards and Certifications
The document mentions compliance with quality and safety standards through the Integrated Management System (IMS) and certifications like ISO9001, ISO14001, ISO13485, and OHSAS18001.
Conclusion
The LAQUAtwin ion electrode is a versatile and precise tool for measuring ion concentrations, applicable in both agricultural and industrial contexts.
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Catalog excerpts

Compact Water Quality Meter-2

Your lab-in-a-pocket Water quality is fundamental for the health of the environment and all living things. and reliability are assured, so you can be confident about the quality of the water you’re testing. From seas, lakes and rivers, to soil, crops and the food we eat, water is essential for life. Knowing the purity and ionic characteristics of water in these environments is therefore vital to maintaining the health of the world in which we live. Find out easily with LAQUAtwin compact water quality meters. LAQUA At HORIBA, we want to respond flexibly to your analysis needs. Our commitment to...

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Compact Water Quality Meter-3

Accurate pH measurements in a few seconds, from a single drop.* Water pH varies in different environments, and a slight change can often have a major effect. Whether you need to keep the pH of an aquarium within tight limits, are checking for the acidity of rain water or for the quality of meat and fish products, LAQUAtwin compact pH meters are ideal for you. No matter where and when you need to test. Applications include: Fresh water testing (rain, rivers, lakes, hot springs); aquaria; drainage treatment solutions; soil testing for improved agriculture; fermentation and brewing; food freshness...

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Compact Water Quality Meter-4

Determine water conductivity with as little as 0.12 mL of sample. The conductivity of rain water is a trusted guide to determining atmospheric purity. In agriculture, measuring the conductivity of soil allows farmers and agronomists to determine optimum fertilizer usage and check the ‘health’ of soil after salt water damage. The LAQUAtwin meter makes conductivity testing simple, anywhere. Applications include: Fresh water testing (rain, rivers, lakes, hot springs); aquaria; soil testing for improved agriculture and analysis of salt water damage; analysis of surface cleanliness prior to coating;...

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Compact Water Quality Meter-5

Ions & Salt The correct concentrations of salt, together with nitrate, calcium, potassium and sodium ions are essential to the health of all living things. The LAQUAtwin range of compact meters provides accurate measurements of these parameters from the smallest of samples. Applications include: Soil and sap testing for improved agriculture; food testing** * 0.05 mL when using the HORIBA sampling sheet (additional sampling sheets available from HORIBA as 100 pcs/box) ** Detection of ions in water only; electrolytes in oils cannot be measured. Ion measurement can be affected by non-target ions...

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Compact Water Quality Meter-6

The world becomes more dynamic and vivid the more you find out about it! LAQUAtwin meters help you make informed decisions in any situation. Better tasting food Nitrate fertilizers in agriculture affect the taste of the food that we eat. Check the level of nitrate ions with the NO3- LAQUAtwin meter. Make decisions with confidence, on-site Save time and money by taking easy, quick, inexpensive and accurate measurements onsite, before deciding whether further analysis is required. Just one drop is enough, so it’s easy even with precious or limited samples. Education changes Measure seven different...

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Compact Water Quality Meter-7

Easy, three-step measurement Follow simple, good testing procedures for accurate and dependable results: • Calibrate correctly • Avoid mixing samples and standards COLORFUL FUNCTIONS Press calibration button Always ensure the sensor is clean before calibrating. If not, clean thoroughly with water (don’t worry, LAQUAtwin meters are completely waterproof!) Place some standard solution on the sensor and press the calibration button. Once the smiley face appears indicating that calibration is complete, wash off the standard solution with water and dry with a clean, soft tissue. Gently wash the sensor...

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Compact Water Quality Meter-8

One meter. Six different methods*1 Only the LAQUAtwin range allows you to be this flexible! Testing has never been easier! LAQUAtwin meters have been developed using 60 years of HORIBA know-how to give you the highest quality technology that can be used anywhere and at any time. And they’re so simple to use that you won’t need any training! Chose the best method according to your sample, your situation and your needs. “Test complete” indicator ONE TOUCH Calibrate and measure at the touch of a button – the smiley face will tell you when the result can be read. Hassle-free automatic calibration...

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Compact Water Quality Meter-9

You can attach a strap or tag here Calibration button On/off button Test complete indicator pH Measurement principle Glass electrode method Minimum sample volume Measurement button Temperature compensation •IP67 Water/Dust proof*7 • Auto hold • Automatic power off (30 minutes) Salt/TDS Measurement • Auto range change • Temperature conversion (2%/°C fixed) • IP67 Water/Dust proof*7 • Auto hold • Automatic power off (15 minutes) Conductivity: 0 to 19.9 mS/cm (0 to 1.99 S/m) Salt: 0 to 1.1% TDS: 0 to 9900ppm Auto range change • Temperature compensation • IP67 Water/Dust proof*7 • Auto hold • Automatic...

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Compact Water Quality Meter-10

Employing the same test principle as standard laboratory electrodes, the LAQUAtwin packs all components*1 into a flat sensor that’s less than 1mm thick. Tests liquids in trace volumes, and can also be used for solids, powders, and paper/materials (containing moisture).*2 Liquid Reference junction electrode *1 B-711/712/713 (pH) incorporates a glass membrane and a reference electrode. B-771 (conductivity) incorporates an electrical conductivity cell. Ion meters and the sodium salt meter incorporate an ion membrane and reference electrode. *2 B-771 (conductivity) does not work with solids, powders...

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Compact Water Quality Meter-11

/|\ Please read the operation manual before using this product to assure safe and proper handling of the product. iThe contents of this catalog are subject to change without prior notice, and without any subsequent liability to this company. ) The color of the actual products may differ from the color pictured in this catalog due to printing limitations. I It is strictly forbidden to copy the content of this catalog in part or in full. I All brand names, product names and service names in this catalog are trademarks or registered trademarks of their respective companies. HORIBA Group is operating...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.