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Dual Online TDS Meter for DRO from HM Digital

DM-1: In-Line Dual TDS Monitor
The DM-1 is consumer friendly monitor measuring feed (input) water vs. product (output) water of a water filtration system at any time.

This device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in variety of application such as drinking or potable water, Aquariums, Hydroponics and many more.

Displays TDS levels feed water and product water with in & out electrode probes Efficient and accurate with advanced microprocessor technology

Auto-Off function conserves battery power. (Shuts off automatically after 10 minutes of non-use)

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

Product Description

Range: 0-9990 ppm 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.)

Accuracy: ±2% Conversion Factor: NaCl (avg. 0.5)

Fittings: 1/4 standard,

Power source: 2 x 1.5V button cell batteries

 Battery life: approx. 1000 hours of continuous use

Size: 7.6 x 2 x 4.7 cm Weight: 79.4 g