HI 98203 is a compact salt tester that is durable, with an ergonomic casing and a large LCD. Ideal for checking salt concentrations in live fish storage tanks HI 98203 Salt Content Tester Replaceable electrode Easy to handle Quick calibration Worldwide, fish farming has made great strides in the past two decades, with aquaculture becoming the prime source for quality seafood. As the methods and products keep changing, one crucial factor remains the same: the necessity for salinity testing. The main component of salt in seawater is sodium chloride. The SALINTEST can help you accurately monitor the concentration of sodium chloride in aquaculture systems. Besides applications in aquaculture, SALINTEST is also ideal for checking salt concentrations in live fish storage tanks, tropical fish aquariums, refrigerated storage and oceanographic investigations. The SALINTEST is easy to maintain and to assure accuracy, it has one point calibration through a trimmer on the side. Specifications: Range 0.00 to 1.00 pNaCl (58.4 to 5.84 g/L (ppt) NaCl) Resolution 0.01 pNaCl Accuracy ±0.02 pNaCl Calibration manual, 1 point Battery Type / Life 1.5V (4) / approximately 500 hours of continuous use Environment 0 to 50°C (32 to 122°F); RH max 95% Dimensions 175 x 41 x 23 mm (6.9 x 1.6 x 0.9") Weight 95 g (3.4 oz.) Hanna HI98203 Salinity Meter Salt Meter à¤Ã×èͧÇÑ´¤ÇÒÁà¤çÁ