• 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).
• Excellent Reverse Osmosis (RO) or Deionization (DI) monitor
• Installs quickly and easily.

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

• TDS/EC Range: 0-5000 ppm (10,000 µS)
• Max. Set Point: 50 ppm (100 µS)
• 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)