This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water - enables you to determine just how good or bad your water really is! Use the meter to determine when the reverse osmosis membrane needs replacing.

Features:

• Highly efficient and accurate due to its advanced microprocessor technology
• Displays TDS levels of the feed water and product water with in & out electrode probes
• Auto-off function -- Automatically shuts off meter after 10 minutes of non-use to conserve battery power
• Dual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image)
• Factory Calibrated -- HM Digital meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
• Installs quickly and easily

Specifications:

• Range: 0 - 9990ppm
• Dimensions: 7.6 x 2 x 4.7cm (3 x .8 x 1.9in.)
• Accuracy: +/- 2%
• Power source: 2 x 1.5V button cell batteries (included)
• Battery life: approx. 1,000 hours of continuous use
• INLET PROBE (Feed water): 1/4 push-in fitting
• OUTLET PROBE (Product water): 1/4 push-in fitting
• Size: 3 x .8 x 1.9 in.

How To Measure Percent Rejection

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