ZeroWater TDSmeter-20 ZT-2 Electronic Water Tester, hand held, Blue

ZT-2 Features: -Power source: 2 x 1.5V button cell batteries (included)(357A). -TDS meter. -Range: 0 - 999 ppm (mg/L). -Resolution: 1 ppm (0-999 ppm). -Accuracy: +/- 3%Conversion. -Factor: NaCl (avg. 0.5). Product Type: -Soil Testing Accessories. Dimensions: -Meter weight: 31.2g (1.1 oz). Overall Height - Top to Bottom: -5.5". Overall Width - Side to Side: -0.9". Overall Depth - Front to Back: -0.75". Overall Product Weight: -1 lbs.