HM COM-80 EC/TDS Hydro Tester
- Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing
- Four scales: EC uS, mS; TDS: ppm, 0.5 (NaCI) & 0.7 (442)
- Automatic Temperature Compensation (ATC)
- Water resistant
- 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 uS solution
- Includes a protective cap and batteries .