HM Digital COM-80 EC TDS Temperature 3 in 1 HydroTester with Automatic Calibration and Datahold

Description:
 NEW! The COM-80 is an economically priced， reliable EC/TDS meter that 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). Exellent for nutrient testing.
 Four scales: EC: µS， mS; TDS: ppm， ppt
 Automatic Temperature Compensation (ATC)
 Water resistant
 Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt
 Digital Calibration (push button) to any point within the meter\'s range
 Auto-off function， data-hold function and low-battery indicator
 Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
 Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution. The meter can be recalibrated with digital calibration using the push buttons.
 Includes a protective cap.
 

Specifications:
 EC Range: 0 - 9990 µS; 0 - 9.9 mS
 TDS Range: 0 - 5000 ppm (mg/L); 0 - 5.0 ppt
 Temperature Range: 1-80 °C; 33-176 °F
 Resolution: 1 µS/ppm; 0.1 mS/ppt.
 Temp. resolution: 0.1 °C/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 (model LR44 or equivalent)(as air freight restriction battery are not included in delivery)
 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)
 UPC: 891144000229