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

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.

Features:

• 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: