Hanna HI96710pH, Free Chlorine, and Total Chlorine Portable Photometer (6.5 to 8.5 pH, 0.00 to 5.00 mg/L (ppm))

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
Light Source: tungsten lamp
Light Detector: silicon photocell with narrow band interference filter @ 525 nm
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.)
Ordering Information: HI96710 is supplied with sample cuvettes (2) with caps, 9V battery, instrument quality certificate and instruction manual.

Warranty:  12 month