Range : 0.00 to 2.50 ppm (mg/L)
Resolution : 0.01 ppm (mg/L)
Accuracy @ 25°C : ±0.03 ppm ±3% 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 USEPA method 330.5, DPD method