Introduction Laboratory Accuracy in the Field In the past, measuring and monitoring important parameters was limited to the laboratory. Now, these parameters are being tested right in the field for applications such as environmental study, agriculture, the food industry, horticulture, wastewater management, fish farming, water quality maintenance, and anywhere quality and accuracy is important. Hanna has developed a large variety of testers and monitors designed to fulfill the requirements of virtually any application. Hanna offers a vast selection of single and multiparameter testers which cover a multitude of the most important parameters: pH, ORP, conductivity (EC), total dissolved solids (TDS), temperature and salt. Testers can perform on the spot measurements quickly, accurately, and inexpensively. They allow users with different backgrounds and technical training to make readings without the need of a laboratory or having to purchase expensive and complex analytical equipment. Hanna provides high accuracy in a single parameter tester for pH, EC, TDS, temperature, and more. Multiparameter testers are also available, eliminating the hassle of carrying multiple testers. Hanna testers have easy to read LCDs and durable outer casings. They are able to measure in places with a high percentage of humidity, and low power demand allows a long battery life, eliminating the need for frequent battery replacement. pH Testers All Hanna pH testers come with a replaceable pH probe, which is a unique advantage over most pH testers found on the market today. Testers feature Automatic Temperature Compensation (ATC) and calibration at one or two points. Designed to be pocket sized with a narrow tip, they are ideal for measurements in smaller samples. Conductivity Testers Conductivity (EC) testers are widely used for monitoring EC/TDS with water conditioning, reverse osmosis, cooling towers, drinking water, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics, and the printing industry. With selectable or fixed conversion factors to relate to EC and TDS, readings can be more accurate. Hanna conductivity testers feature an amperometric graphite probe that provides greater accuracy and repeatability in measurements because it cannot be contaminated by salt deposits in solutions. Calibration of conductivity testers is simple and can be done manually or automatically with a single point. Measurements are automatically temperature compensated to ensure correct readings. Salt and Water Purity Testers The waterproof Marine Line salinity tester can help you monitor the concentration of dissolved salts in saltwater aquariums. It is often the first water parameter many aquarists test for as it is crucial in making artificial seawater. Water purity testers enable users to check the purity of distilled or demineralized water in environments such as printed circuit board washing, laundry, steam cleaning, and all areas where pure water is used. The measurement for salt and water purity is conductometric. Thermometers Hanna’s thermometers feature a unique CAL Check™ function to ensure accurate measurements every time. Hanna temperature sensors allow users to take measurements with extremely high accuracy in a short amount of time. The sharp tip of the probes can easily penetrate semi-solid products, making routine controls simple and quick. These testers are ideal meters for measuring temperature according to HACCP requirements. 1 Testers and Monitors 1.2 | www.hannainst.com introduction
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