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 TDS Meter 3
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 TDS Meter 4TM
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QC-1: QUICK CHECK TDS/CONDUCTIVITY MONITOR click here for a printable view of this page
  • With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively.
  • Tests for TDS or conductivity levels.
  • Eight programmable set points (by dip switch.
  • Bright LED lights.
  • Simple to use.
  • Factory Calibrated to 100 ppm NaCl. Re-calibration is unncessary.
  • Comes equipped with John Guest Quick-Connect T-fitting (1/4 inch standard).
  • Installs quickly and easily.


Press the "Push-to-Check" button for an instant water quality check!.

Use the monitor to determine when the filters need to be changed.

Ideal for any water filtration system, including reverse osmosis systems, coolers, deionizers and much more.

  • TDS/EC Range: 0-5000 ppm (10,000 S)
  • Max. Set Point: 50 50 ppm (100 S)
  • Accuracy: ±3%
  • ATC: No
  • Cable Length: 24.5" (including sensor)
  • Fittings: 1/4"
  • Power source: 4 x 1.5V button cell batteries (included)
  • Battery life: Approx. one year
  • Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)
  • Weight: 39.7 g (1.4 oz.) (not including sensor)

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