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HI98190 SPECIFICATIONS
pH
Range ‑2.0 to 20.0 pH / ‑2.00 to 20.00 pH / ‑2.000 to 20.000 pH
Resolution 0.1 pH / 0.01 pH / 0.001 pH
Accuracy ±0.1 pH / ±0.01 pH / ±0.002 pH
mV
Range ±2000 mV
Resolution 0.1 mV
Accuracy ±0.2 mV
Temperature
Range ‑20.0 to 120.0 °C (‑4.0 to 248.0 °F)
Resolution 0.1 °C (0.1 °F)
Accuracy ±0.4 °C (±0.8 °F) (excluding probe error)
Rel mV Offset Calibration ±2000 mV
pH Calibration
Up to five point calibration, seven standard buffers available
(pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and five custom
buffers
Slope Calibration From 80 to 110%
Temperature Compensation Manual or Automatic from ‑20.0 to 120.0 °C (‑4.0 to 248.0 °F)
pH Electrode HI12963 pH & temperature
LOG On demand, 200 samples (100 samples on each range)
Input Impedance 10¹² Ω
Battery Type/Life 1.5V AA batteries (4 pcs.) / approx. 200 hours of continuous use
without backlight (50 hours with backlight)
Auto Power Off User selectable: 5, 10, 30, 60 minutes or disabled
PC Interface opto‑isolated USB
Dimensions 185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)
Weight 400 g (14.2 oz)
Environment 0 to 50 °C (32 to 122 °F) max. RH 100% IP67
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