HANNA HI99141 Portable pH Meter for Boiler and Cooling Towers

HANNA HI99141 Portable pH Meter for Boiler and Cooling Towers​

Warranty: 12 month
Range    
+ pH: -2.00 to 16.00 pH
+ Temperature: -5.0 to 105.0°C / 23.0 to 221.0°F
Resolution    
+ pH: 0.01 pH
+ Temperature: 0.1°C / 0.1°F
Accuracy @ 20°C    
+ pH: ±0.02 pH
+ Temperature: ±0.5°C (up to 60°C), ±1.0°C (outside) / ±1.0°F (up to 140°F); ±2.0°F (outside)
pH Calibration: automatic one or two point calibration with two sets of memorized buffers (Standard 4.01, 7.01, 10.01 or NIST 4.01, 6.86, 9.18)
Temperature Compensation: Automatic, -5 to 105°C (23 to 221°F)
pH Electrode: HI 72911D titanium body, pre-amplified pH electrode with internal temperature sensor, DIN connector and 1 m  (included)
Battery Type / Life: 1.5V AAA (3) / approximately 1200 hours of continuous use. Auto-off after eight minutes of non-use
Environment: 0 to 50°C (32 to 122°F); RH max 100%
Dimensions: 152 x 58 x 30 mm
Weight: 205g (7.2 oz.)