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Dosatron® Pro EC Meter

MF #COM-100
QC Part #
Usually Ships In 3-5 Days
Easy to calibrate hand-held meter measures EC, TDS and temperature.

Measure electrical conductivity, total dissolved solids and temperature with this Dosatron® Pro EC Meter.


  • Digital calibration
  • On-screen temperature
  • Water-proof
  • 1-year manufacturer warranty
  • Measures electrical conductivity (EC), total dissolved solids (TDS) & temperature
  • Four Scales: μS, mS, ppm, ppt
  • Two EC-TDS conversion factors - 0.7 and 0.5
  • Automatic Temperature Compensation (ATC) using three temperature coefficients
  • Measurement Range: 0-9990 μS; 0-8560 ppm; 0-9.99 mS; 0-8.56 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
  • Replaceable Sensor (model SP-C1)
  • Factory Calibrated: The COM-100 meter is calibrated with a 1413 μS solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver
  • Includes a cap, AAA batteries and lanyard


  • EC Range: 0-9990 μS; 0-9.99 mS
  • TDS Range: 0-8560 ppm (mg/L); 0-8.56 ppt
  • Temperature Range: 32° F - 176° F
  • Resolution: 0-99: 0.1 μS/pp,/mS/ppt; 100-199: 1 μS/ppm; 1000-9990: 10 μS/ppm. Temp resolution is 0.1° C/F
  • Accuracy: +/-2%
  • EC to TDS Conversion Factor: Non-linear conversions for KCI, 442TM or NaCl solutions, selected by user
  • Calibration: Digital calibration by push button
  • Probe: Detachable platinum electrodes
  • Housing: IP-67 waterproof (submersible; floats)
  • Power Source: 3 x 1.5V button cell batteries (included); LR44 or equivalent
  • Dimensions: 7.3" x 1.3" x 1.3"
  • Weight: 3.2 oz
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