pH Range

-2.00 to 16.00 pH

pH Resolution

0.01 pH

pH Accuracy

±0.01 pH

pH Calibration

automatic, one or two-point with five memorized buffer values (pH 4.01, 6.86, 7.01, 9.18, 10.01)

mV Range

±699.9 mV; ±1999 mV

mV Resolution

0.1 mV; 1 mV

mV Accuracy

±0.2 mV; ±1 mV

Temperature Range

-20.0 to 120.0 ºC, -4.0 to 248.0 °F

Temperature Resolution

0.1 °C, 0.1 °F

Temperature Accuracy

±0.4°C; ±0.8°F

Temperature Compensation

manual or automatic from -20.0 to 120.0°C (-4.0 to 248.0°F)

Slope Calibration

from 80 to 108% / ±1 pH

pH Electrode

HI1230B PEI body pH electrode with BNC connector and 1 m (3.3’) cable (included)

Electrode/Probe

HI7662 stainless steel temperature probe with 1 m (3.3’) cable (included)

Input Impedance

10¹² Ohms

Battery Type / Life

1.5V (3) AAA / approximately 200 hours of continuous use

Auto-off

after 20 minutes of non-use (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.)

Ordering Information

HI9125 is supplied with HI1230B pH electrode, HI7662 temperature probe, HI70004 pH 4.01 buffer solution sachet (20 mL), HI70007 pH 7.01 buffer sachet (20 mL), 100 mL plastic beaker, 1.5V AAA batteries (3), instructions, and hard carrying case.