HM Digital DM-1 In-Line Dual TDS Water Quality Monitor (6-Pack) - Perfect for Home Water Filtration, Aquariums, and Hydroponic Systems

Product Description

DM-1 Includes Only:TDS Monitor2 1/4 inch T-fittingsBatteriesThe 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.Features:Displays TDS levels feed water and product water with in & out electrode probesEfficient and accurate with advanced microprocessor technologyAuto-Off function conserves battery power. (Shuts off automatically after 10 minutes of non-use)Factory Calibrated: meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.Installs quickly and easily