Fluoride Range : 0.0 to 20.0 mg/L (ppm) fluoride
Fluoride Resolution : 0.1 mg/L
Fluoride Accuracy : ±0.5 mg/L ±3% of reading
Fluoride Method : adaptation of the SPADNS method
Photometer/Colorimeter Light Source : tungsten lamp
Photometer/Colorimeter Light Detector : silicon photocell with narrow band interference filter @ 575 nm
Battery Type/Life : 9V battery
Automatic Shut-Off : after ten minutes of non-use in measurement mode; after one hour of non-use in calibration mode; with last reading reminder
Environment : 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions : 193 x 104 x 69 mm (7.6 x 4.1 x 2.7”)
Weight : 360g (12.7oz.)