HM Digital COM-100 Replacement TDS Sensor SP-C1

Sale price$99.00


The HM Digital COM-100 Replacement TDS Sensor SP-C1 is an ideal water testing meter for all water quality testing needs. Boasting electrical conductivity, (EC) total dissolved solids, (TDS) and temperature readings, this TDS monitor offers three EC to TDS factors. (KCl, 442, NaCl), and has Automatic Temperature Compensation (ATC) capability. Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and more


  • Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature
  • Three different calibration options (KCl, 442TM, NaCl), each with its non-linear conversion factor
  • Automatic temperature compensation (ATC) using three temperature coefficients
  • Waterproof
  • Measurement range: 0-9990 µS; 0-8560 ppm.
  • Auto-off function, data-hold function, and low-battery indicator
  • Display: large and easy-to-read LCD screen includes simultaneous temperature reading
  • COM-100 meter is calibrated with a 1413 µS solution. The meter can be re-calibrated with digital calibration using the push buttons
  • Includes a cap, batteries, and lanyard


  • EC Range: 0-9990 uS; 0-9.99 mS
  • TDS Range: 0-8560 ppm (mg/L); 0-8.56 ppt
  • Accuracy: +/- 2%
  • Dimensions: 7.3" x 1.3" x 1.3"
  • Weight: 3.2 oz.
  • The HM digital SP-C1 features a waterproof housing, digital calibration using push buttons, and a platinum TDS sensor.

You may also like

Recently viewed