The Hanna Phosphate Colorimeter Checker (LR) HI713 is developed as a more accurate alternative to chemical test kits and offers fast, accurate results in four simple steps.
First, zero the instrument with your water sample. Next, add the reagents. Last, place the vial into the Checker HC, press the button, and read the results. It’s that easy.
|Range||0.00 to 2.50 ppm (mg/L)|
|Resolution||0.01 ppm (mg/L)|
|Accuracy @ 25°C||±0.04 ppm (mg/L) ±4% of reading|
|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 two minutes of non-use and ten seconds after reading|
|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 the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic Acid method|