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Home / Water Testing & Monitoring / In-Line Monitors / HM Digital QC-1 Quick Check TDS Monitor 1/4" Push-in
HM Digital

HM Digital QC-1 Quick Check TDS Monitor 1/4" Push-in

Part Number: QC-1
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With the push of a button the HM Digital QC-1 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
  • Factory calibrated to 100 ppm NaCl. Recalibration is unecessary.
  • Excellent reverse osmosis or deionization monitor
  • Available with 1/4" quick connect tee or with no fitting
  • Installs quickly and easily
Use the following formula to calculate the percentage of solids (TDS) that your membrane is removing:

California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm.