1.5 Volt Hm Water Resistant Housing Digital Tds Meter With 1 To 9990 Range

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: A A S, mS; TDS: ppm, ppt
Automatic Temperature Compensation (ATC)
Water resistant
Measurement Range: 0-9990 A A S; 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 S solution. The meter can be
recalibrated with digital calibration using the push buttons.
Includes a protective cap and batteries.

Specifications:
EC Range: 0 - 9990 ; 0 - 9.9 mS
TDS Range: 0 - 5000 ppm (mg/L); 0 - 5.0 ppt
Temperature Range: 1-80 A C; 33-176 A A F
Resolution: 1 S/ppm; 0.1 mS/ppt.
Temp. resolution: 0.1 A 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 (included) (model LR44 or equivalent)
Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)