Model HM MAKE COM80

Product Description COM-80: EC/TDS HydroTester 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  Model HM MAKE COM80 -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.  Model HM MAKE COM80 -Includes a protective cap and batteries. -Need help deciding which meter is right for you? View our TDS/EC Meter Selection Guide. Specifications: Model HM MAKE COM80

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 (included) (model LR44 or equivalent)
Dimensions	15.3 * 3.2 * 1.8 cm (6.0 * 1.3 * 0.7 inches)
Weight	53.9g (1.9 oz)