Hanna HI 713 Phosphate Photometer for Marine Aquariums

Item Description: Brand New Hanna Instruments HI 713 Checker®HC Free Phosphate Photometer 0.00-2.50 ppm(mg/l)   FINALLY! A SIMPLE LOW LEVEL PHOSPHATE TEST! THIS LISTING IS FOR: (1) HANNA HI713 PHOSPHATE CHECKER   Hanna HI 713 Checker Colorimeter SPECS: Range 0.00 to 2.50 ppm (mg/L) Resolution 0.01 ppm (mg/L) Precision ±0.04 ppm (mg/L) ±4% of reading @ 25°C 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 of Standard Method 4500-P E. Hanna HI 713 Checker Colorimeter is supplied with: (2) sample cuvettes with caps (0 - ZERO) powder reagents for phosphate HI 713-25  (1) 1.5V AAA battery and instructions. Hanna HI 713 Checker Colorimeter FEATURES: Works in Salt Water! Easier to use and more accurate than chemica