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pH Range: -2.0 to 20.0 pH; -2.00 to 20.00 pH; -2.000 to 20.000 pH
pH Resolution: 0.1 pH; 0.01 pH; 0.001 pH
pH Accuracy: ±0.1; ±0.002 pH
pH Calibration: up to five point calibration, seven standard buffers available (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) + five custom buffers
mV Range: ±2000 mV
mV Resolution: 0.1 mV
mV Accuracy: ±0.2 mV
ISE Range: from 1.00 E⁻⁷ to 9.99 Eⁱ⁰ concentration
ISE Resolution: 3 digits 0.01; 0.1; 1; 10 concentration
ISE Accuracy: ±0.5% of reading (monovalent ions), ±1% of reading (divalent ions)
ISE Calibration: up to five point calibration, seven standard solutions (choice of concentration)
Temperature Range: -20.0 to 120.0°C (-4.0 to 248.0°F)
Temperature Resolution: 0.1°C (0.1°F)
Temperature Accuracy: ±0.4°C (±0.8°F) (excluding probe error)
Temperature Compensation: manual or automatic from -20.0 to 120.0°C (-4.0 to 248.0°F)
Slope Calibration: from 80 to 110%
Electrode/Probe : HI72911B Titanium body, pH electrode with internal temperature sensor, BNC connector and 1 m (3.3’ cable)
Input Impedance: 10¹² Ohms
Log-on-demand: 300 samples (100 each range pH, mV and ISE)
PC Connectivity: opto-isolated USB with optional HI 92000 software and micro USB cable
Battery Type/Life: 1.5V AA batteries (4) / approximately 200 hours of continuous use without backlight (50 hours with backlight)
Auto-off: user selectable: 5, 10, 30, 60 min or can be disabled
Environment: 0 to 50°C (32 to 122°F); RH 100% (IP67)
Dimensions: 185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)
Weight: 400 g (14.2 oz.)
Ordering Information: HI98191 is supplied with HI720191 hard carrying case.
Option:
- HI7007M pH 7.01 Calibration Solution (230 mL)
- HI7010M pH 10.01 Calibration Solution (230 mL)
- HI70300M Electrode Storage Solution (230 mL)
- HI7061L General Purpose Cleaning Solution (500 mL)
