HM Digital DM-1 In-Line Dual TDS Monitor

Description This DM-1 In-Line Dual TDS Monitor from HM Digital measures incoming and outgoing water quality on your water purification system. Resources HM Digital DM-1 In-Line Dual TDS Monitor Manual Tech Specs ORP Range: 0-9990 ppm Resolution:1 mV; Temperature resolution is 0.1°C/F Accuracy: +/-2% Power source: 2 x 1.5V button cell batteries (LR44 or equivalent; included) Battery life: Approx. 1000 hours of usage Dimensions: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) Meter weight: 79.4 g (2.8 oz.) In the Box 1 x DM-1 In-Line Dual TDS Monitor