DM-1: In-Line Dual TDS Monitor   (HM digital product)

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 calibration: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.

• Comes equipped with John Guest Quick-Connect T-fittings as shown.

• Installs quickly and easily.

SPECIFICATIONS

Range: 0-9990 ppm 
Accuracy: ±2% 
Cable Length: 24.5" (including sensor) 
Fittings: 1/4" 
Power source: 2 x 1.5V button cell batteries (Not included in standard delivery) 
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.) 

Packing: 10PCS/CTN， CTN SIZE:15*12*18CM， G.W: :0.80KGS