HM DIGITAL COM-80 EC / TDS Hydro Tester Handheld Pen Meter Testing Water Quality ?S mS ppm ppt Measuring Kydroponics & Gardening, Pools & Spas, Aquariums & Reef Tanks, Water Ionizers, Drinking water

This EC/TDS Temperature meter is for Water Quality testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more
FEATURES
Measures electrical conductivity (EC) ?S, mS; total dissolved solids (TDS) ppm, ppt
Automatic Temperature Compensation (ATC)
Water resistant
Digital Calibration,Auto-off,data-hold function and low-battery indicator
Display: large LCD screen includes temperature reading
Factory Calibrated with a 1413 ?S solution. The meter can be recalibrated with digital calibration using the push buttons
Includes a protective cap, please note: battery not included for safe delivery
SPECIFICATIONS
EC Range: 0 - 9990 ?S; 0 - 9.9 mS TDS Range: 0 - 5000 ppm (mg/L); 0 - 5.0 ppt Temperature Range: 1-80 ¡ãC; 33-176 ¡ãF Resolution: 1 ?S/ppm; 0.1 mS/ppt. Temp.resolution: 0.1 ¡ãC/F Accuracy: +/- 2% EC-to-TDS Conversion Factor: NaCl (avg of 0.5). Calibration: Digital calibration by push button. Probe: Fixed Housing: Water resistant Power source: 3 x 1.5V button cell batteries ( not included) (model LR44 or equivalent) 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)