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The HI 9025 is a microprocessor-based pH meter that is housed in a rugged waterproof casings that can measures pH/ORP and temperature.
The Auto-Instruction feature guides the user step-by-step through the calibration process with graphic symbols. The automatic calibration procedure is simple and quick and can be performed at 1 or 2 points selected from 5 memorized buffers: pH 4.01, 6.86, 7.01, 9.18 and 10.01. A stability indicator assures a correct calibration.
This meter also features an automatic shut-off to save battery life.
- Range: pH: 0.00 to 14.00 pH
- Range: mV: ±399.9 mV; ±1999 mV
- Range: Temperature: 0.0 to 100.0°C / 32 to 212.0°F
- Resolution: pH: 0.01 pH
- Resolution: mV: 0.1 mV; 1 mV
- Resolution: Temperature: 0.1°C / 0.1°F
- Accuracy: pH: ±0.01 pH
- Accuracy: mV: ±0.2 mV; ±1 mV
- Accuracy: Temperature: ±0.4°C; ±0.8°F
- pH Calibration: automatic, 1 or 2 point with 5 memorized buffer values (pH 4.01, 6.86, 7.01, 9.18, 10.01); offset calibration: ±1 pH; Slope Calibration: 70 to 108%
- Temperature Compensation: automatic or manual, -5 to 105°C (23 to 221°F)
- pH Electrode: HI 1230B double junction, PEI (PolyEther-Imide) body, gel filled, BNC connector and 1 m (3.3') cable (included)
- Temperature Probe: HI 7669/2W with 1 m (3.3') cable (included)
- Input Impedance: 1012 Ohm
- Battery Type / Life: 4 x 1.5V AA / approx. 500 hours of continuous use (with backlight OFF): auto-off after 20 minutes of non-use (can be disabled)
- Environment: 0 to 50°C (32 to 122°F); RH max 100%
- Dimensions: 196 x 80 x 60 mm (7.7 x 3.1 x 2.4")
- Weight: 500 g (1.1 lb.)
HI 9025 is supplied with HI 1230B pH electrode, HI 7669/2W temperature probe, pH 4 and pH 7 buffer sachets, 100mL plastic beakers, batteries, rugged carrying case and instructions.
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