EC Digital Meter Pen
$99
NEW! The HM COM-80 is a reliable EC/TDS meter that is ideal for testing the EC / TDS / PPM levels in your Airgarden (aka the nutrient density of your water). For more information on EC levels and using an EC pen click here.
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 1413µS solution. The meter can be recalibrated with digital calibration using the push buttons.
Includes a protective cap and batteries.
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 (included) (model LR44 or equivalent)
Dimensions: 15.3 x 3.2 x 1.8 cm
Weight: 53.9g
IN THE BOX [1] x HM COM-80 EC TDS Digital Meter Pen
SPECIFICATIONS
IN THE BOX
