Cuvette Cap for Checker (Pack of 4 Caps)  Ref: HI-731225
ange 0 to 150 ppmResolution 1 ppmAccuracy @ 25°C ±3 ppm ±5% of readingLight source LED @ 575 nmLight Detector Silicon photocellMethod Adaptation of the Ferrous Sulphate methodEnvironment 0 to 50°C; RH max 95% non-condensingBattery Type (1) 1.5V AAAAuto-off After ten minutes of non-useDimensions 81.5mm x 61mm x 37.5mmWeight 64g