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Environmental Tester Guide

General DCM7021 Digital Conductivity Meter

General Tools DCM7021
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General Tools, DCM7021 0 to 2000 uS Digital Conductivity Meter


  • Measures conductivity, TDS, salinity, temperature
  • Automatic temperature compensation
  • IP-57 waterproof (unit floats)
  • One-button calibration
  • Pocket-sized
  • Lightweight
  • Min/Max memory + data hold
  • CE and RoHS approved
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Sale: $76.91
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Product Information

General Tools DCM7021 Digital Conductivity Meter is ideal for field checks of water-based solutions. These digital conductivity meters feature a digital display along with automatic temperature compensation. Formerly Mannix Instrument.

What's In The Box

  • 4 "AAA" batteries
  • Blow mold case
  • Standard Solution 1413 S/cm


Conductivity Range 0 to 2000 °S (MicroSiemens)
TDS Range 0 to 1300 ppm
Salinity Range 0 to 1000 ppm
Temperature Range 32° to194°F (0° to 90°C)
Measurement Accuracy °2% of full-scale value for conductivity, TDS, salinity; °0.4°F (0.2°C) +1 digit for temperature
Operating Temperature 32° to 194°F (0° to 90°C)
Dimensions 7.7 x 1.6 x 1.4 in. (195 x 40 x 36mm)
Weight 4.8 oz. (135g)
Power Source 4, AAA batteries (included)


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