HM Digital DM-1 In-Line Dual TDS Monitor | Tropical Fish Imports

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.  

Specifications:
- Available with 1/4" and/or 3/8" quick connect fittings. The DM-1-NF does not come with fittings.
- Highly efficient and accurate due to its advanced microprocessor technology
- Displays TDS levels of the feed water and product water with in and 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