Product Name: Digital COM-80 Ec / TDS Hydrotester TDS Ec Meter for Water Quality Testing Model NO.: COM-80 Type: TDS/Conductivity/Temperature Certification: RoHS, FCC, CE Portable: Portable Appliance: Food Analysis, Medical Research, Biochemistry, Hydroponics Aquariums and More Display: Digital Power Source: 3 X1.5V Button Cell Batteries (Lr44 or Equivalent) Calibration: Digital Calibration by Push Button Transport Package: Carton Packing Specification: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) Origin: China HS Code: 84219910 Product Description COM-80COM-80: EC/TDS HydroTester The COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.FEATURES:Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testingFour scales: EC: µS, mS; TDS: ppm, 0.5 (NaCl) & 0.7 (442™)Automatic Temperature Compensation (ATC)Water resistantDigital Calibration (push button) to any point within the meter's rangeAuto-off function, data-hold function and low-battery indicatorDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading.Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution.Includes a protective cap and batteriesProduct Description:-EC Range: 0 - 9990 µS; 0 - 9.9 mSTDS Range: 0 - 5000 ppm (0.5 Scale) ; 0-8560 ppm (0.7 Scale)Temperature Range: 1-80 °C; 33-176 °FResolution: 1 µS/ppm; 0.1 mSTemp. Resolution: 0.1 °C/FAccuracy: +/- 2%Power source: 3 x 1.5V button cell batteries (LR44 or equivalent is included)Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)Weight: 53.9g (1.9 oz)Application:Aquaculture, Aquarium, Drinking Water, Food & Beverage, Hydroponics, Industrial, Water Treatment, Window Cleaning/CarwashMore Choices: