Hanna HI 758 Checker HC Calcium Photometer HI758

Item Description: Brand New Hanna Instruments HI 758 Checker®HC Calcium Photometer 200-600 ppm(mg/l)     We also carry the other Hanna Checkers - Free Chlorine Total Chlorine Iodine Low Phosphate Iron Phosphorus Nitrite Alkalinity Calcium  Nitrate (We're still waiting on this one!  Try the HI96728 for Nitrates in FRESH WATER) and more!   Look to NI Supply for more details later...   FINALLY! A SIMPLE, ACCURATE AND FAST CALCIUM TEST! Hanna HI 758 Checker Colorimeter SPECS (to Come - Hanna is being very tight lipped out this info): Range 200 to 600ppm (mg/L) Resolution 1 ppm (mg/L) Precision ±2 ppm (mg/L) ±4% of reading @ 25°C - Estimated Light Source LED @ 525 nm Light Detector Silicon photocell Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing Battery Type (1) 1.5V AAA Auto-off After 2 minutes of non-use and after read Dimensions 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) Weight 64 g (2.25 oz.) Method Adaptation  - Oxalate Method