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DM-1: In-Line Dual TDS Monitor

DM-1: In-Line Dual TDS Monitor
DM-1 on Reverse Osmosis Use the monitor to determine when the filters need to be changed.
Where to buy: Find a distributor in your region.

Measure the tap water coming in vs. the purified water going out of your water filtration system at any time.

FEATURES

  • Displays TDS levels of the feed water and product water with in & out electrode probes.
  • Highly efficient and accurate due to its advanced microprocessor technology.
  • Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
  • 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: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
  • Comes equipped with Mur-lok® Quick-Connect T-fittings.
  • Installs quickly and easily.

SPECIFICATIONS

Range: 0-9990 ppm
Accuracy: ±2%
Conversion Factor: NaCl (avg. 0.5)
Cable Length: 24.5" (including sensor)
Fittings: 1/4" standard, also available with 3/8" or 1/2"
Power source: 2 x 1.5V button cell batteries (LR44 or equivalent; included)
Battery life: approx. 1000 hours of continuous use
Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)
Weight: 79.4 g (2.8 oz.) 

UPC:891144000052


With a TDS monitor or meter, you can easily determine your RO system's performance by calculating the percent rejection. Once you have obtained the TDS levels of your feed water (IN) and product water (OUT), use the calculator below to determine the percent rejection of your RO system.

Enter the TDS level of the product water
Enter the TDS level of the feed water

Percent Rejection = %