| Range | pH | -4.0 to 20.0 pH; -4.00 to 20.00 pH |
| Temperature | -20.0 to 120.0°C (-4.0 to 248.0°F) | |
| Resolution | pH | 0.1 pH; 0.01 pH |
| Temperature | 0.1°C (0.1°F) | |
| Accuracy @ 20°C | pH | ±0.1 pH; ±0.01 pH |
| Temperature | ±0.2°C (±0.4°F) excluding probe error | |
| pH Calibration | up to three point calibration with seven standard buffers available (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and two custom buffers | |
| Temperature Compensation | automatic, -20 to 120°C (-4 to 248°F) | |
| pH Electrode | HI 1618D PEI body, pre-amplified pH electrode with “SMART” technology, internal temperature sensor, DIN connector and 1 m (3.3’) cable (included) | |
| PC Connection | opto-isolated USB with optional HI 92000 software | |
| Power Supply | 1.5V AAA (3) / approximately 200 hours of continuous use without backlight (50 hours with backlight). User selectable auto-off (5, 10, 20, 60 minutes or can be disabled) | |
| Environment | 0 to 50°C (32 to 122°F); RH max 100% | |
| Dimensions | 185 x 72 x 36 mm (7.3 x 2.8 x 1.4’’) | |
| Weight | 300 g (10.6 oz.) |
