Pocket Checker for Nitrite Testing (0 - 200ppb)  Ref: HI-764
	Range 0 to 200 ppb Resolution 1 ppb Accuracy ±4% of reading ±10 ppb @ 25ºC 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 3 minutes of non-use Dimensions 86 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) Weight 64 g (2.25 oz.)