Sulphite Test Strips. 10, 50, 100, 250, 500 (50 pack). Range, 10 to 500 mg/l
Potassium Iodide Starch Test Strips. Lower level 5 mg/l upper level 100 mg/l. Range 5 to 100 mg/l
Breath Alcohol Checker, Digital Alcohol Tester Portable Breath Analyzer LCD Display Alcohol Tester (%BAC g/l mg/lBrAC mg/100ml)
Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter with 2 Point Manual Calibration, 0.0-19.0 mg/L, 0.1 mg/L Resolution, +/-1.5 percent Accuracy, 100 Percent Saturation Range
Dissolved Oxygen Meter - Handheld Digital Tester with 0~30.0 Mg/L Range, 0.1 Mg/L Resolution for Water Quality Measurement in Aquaculture and Fish Ponds
Handheld Dissolved Oxygen Detector, 0~30.0 Mg/L Smart DO Tester, Digital Display Water Quality Meter, Resolution 0.1 Mg/L, Precise Measurement for Aquaculture Fish Ponds
