The high contrast graphic LCD is easy to read outdoors in bright sunlight as well in low-lit areas with the backlight. A combination of dedicated and virtual keys allows easy, intuitive operation in a choice of languages.

The compact, durable carrying case is thermoformed to hold all necessary components for taking a field measurement, including the meter, electrode and beakers.
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?? to 9.99 E¹? 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, six standard solutions available (0.1, 1, 10, 100, 1000, 10000 ppm)
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 HI72911B titanium body pH electrode, HI7004M pH 4.01 buffer solution (230 mL), HI7007M pH 7.01 buffer solution (230 mL), HI700601 electrode cleaning solution sachet (2 x 20 mL), 100 mL plastic beaker (2), 1.5V AA batteries (4), HI92000 PC software, HI920015 micro USB cable, instruction manual, quick start guide, instrument quality certificate, and HI720191 hard carrying case.

 Email: sahabatteknikindometer@gmail.com