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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 (-4.0 to 248.0°F) | | 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
(@20°C/68ºF) | 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 (±0.4°F) excluding probe error | | 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.) |
HI-98172 관련 |
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