HANNA HI8424 Waterproof pH/mV/°C meter with automatic calibration

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.

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