pH Range

-2.00 to 16.00 pH

pH Resolution

0.01 pH

pH Accuracy

±0.01 pH

pH Calibration

automatic, at one or two points with three standard buffers (4.01, 7.01,10.01)

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°C / -4.0 to 248.0°F

Temperature Resolution

0.1°C / 0.1°F

Temperature Accuracy (@ 25°C/77°F)

±0.4°C; ±0.8°F

Temperature Compensation

automatic from -20.0 to 120.0ºC (-4.0 to 248.0ºF) or manual without temperature probe connected

pH Electrode

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

Temperature Probe

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

Slope Calibration

From 75 to 110% / ±1 pH

Input Impedance

10¹² Ohms

Battery Type / Life

9V / approximately 150 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

164 x 76 x 45 mm (6.5 x 3.0 x 1.8”)

Weight

180 g (6.3oz.)

Ordering Information

HI8424 is supplied with HI1230B pH electrode, HI7662 temperature probe, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700601 electrode cleaning solution sachets (2), battery, protective case and instructions.