HI96720 CA HARDNESS, STANDARD METHOD, PORTABLE PHOTOMETER

Range : 0.00 to 2.70 mg/L
Resolution : 0.01 mg/L
Accuracy : ±0.11 mg/L ±5% of reading @ 25°C
Light Source : Tungsten lamp
Light Detector : Silicon photocell with narrow band interference filter @ 525nm
Method : Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th ed. Calmagite method.
Environment : 0 to 50°C (32 to 122°F); max 95% RH non-condensing
Power Supply : 9V battery
Auto-Shut off :after ten minutes of non-use in measurement mode; after one hour of non-use in calibration mode; with last reading reminder
Dimensions : 192 x 104 x 69 mm (7.6 x 4.1 x 2.7″)
Weight : 360 g (12.7 oz.)