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Range
- pH: -4.0 to 20.0 pH; -4.00 to 20.00 pH
- mV: ±699.9; ±2000 mV
- ISE: 0.001 to 19990 ppm
- Temperature : -20.0 to 120.0°C
Resolution
- pH: 0.1 pH; 0.01 pH
- mV: 0.1 mV (±699.9 mV); 1 mV (±2000)
- ISE: 0.001 ppm (0.001 to 1.999); 0.01 ppm (2.00 to 19.99); 0.1 ppm (20.0 to 199.9); 1 ppm (200 to 1999); 10 ppm (2000 to 19990)
- Temperature: 0.1°C (0.1°F)
Accuracy
- pH: ±0.1 pH; ±0.01 pH
- mV: ±0.2 mV (±699.9 mV); ±1 mV (±2000 mV)
- ISE: ±0.5% f.s.
-Temperature: ±0.2°C
pH Calibration: up to five point calibration with seven standard buffers available (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and 5 custom buffers
ISE Calibration: up to five point calibration with six standard buffers available (0.1, 1, 10, 100, 1000, 10000 ppm)
Slope/Offset
Calibration: ±1 pH/from 80 to 110%
Rel. mV Offset Range: ±2000 mV
Temperature Compensation: manual or automatic from –20.0 to 120.0 ºC (–4.0 to 248.0 ºF)
pH Electrode: HI 1230B PEI body pH electrode with BNC connector and 1 m (3.3’) cable (included)
Temperature Probe: HI 7662 stainless steel temperature probe with 1 m (3.3’) cable (included)
Logging: log on demand, 500 samples
PC Connection: opto-isolated USB with optional HI 92000 software
Input Impedance: 1012 Ohms
Power supply: 1.5V AAA (3) / approximately 200 hours of continuous use without backlight (50 hours with backlight). User selectable auto-off (5, 10, 20, 60 minutes or can be disabled)
Environment : 0 to 50°C (32 to 122°F); RH max 100%
Dimensions / Weight ;185 x 72 x 36 mm (7.3 x 2.8 x 1.4”) / 300 g (10.6 oz.)
Order Information: HI 98172 is supplied with HI 1230B pH electrode, HI 7662 temperature probe, HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, 100 mL plastic beaker, batteries, instructions and hard carrying case.
