Dual In-line TDS Meter DM-1 - HM Digital

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 a variety of applications.

• 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: the meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
• Comes equipped with two 1/4 inch T-fittings (also available in 3/8″ and 1/2″)
• Installs quickly and easily

• 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)
• 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