Phosphate Range : 0.00 to 2.50 mg/l PO4
Resolution Range : 0.01 mg/l
Accuracy Range : ±0.04 mg/l @1.00 mg/l
Method : adaptation of Ascorbic Acid method
Light Source : tungsten lamp
Light Detector : silicon photocell and 610 nm narrow band interference filter
Environment : 0 to 50°C / 32 to 122°F; max RH 100%
Battery Type : 1 x 9V (included)
Auto-off : after 10 minutes of non-use
Dimensions : 192 x 104 x 52 mm
Weight : 380 g