8
HI98190 SPECIFICA
TIONS
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