Range : pH (P1): 6.5 to 8.5 pH; Free & Total Chlorine (P2 & P3): 0.00 to 5.00 mg/L (ppm)
Resolution : pH (P1): 0.1 pH; Free & Total Chlorine (P2 & P3): 0.01 mg/L under 3.50 mg/L; 0.10 mg/L above 3.50 mg/L
Accuracy @ 25°C (77°F) : pH (P1): ±0.1 pH; Free & Total Chlorine (P2 & P3): ±0.03 mg/L (ppm) ±3% of reading
Method : pH (P1): phenol red method; Free & Total Chlorine (P2 & P3): adaptation of the USEPA method 330.5
Auto-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
Battery type : 9V battery
Dimensions : 193 x 104 x 69 mm (7.6 x 4.1 x 2.7”)
Weight : 360g (12.7oz.)