Description
Product Documentation
- Hanna HI98121 ORP/pH/Temperature Tester User Manual
Features
- Waterproof IP67-rated housing protects internal electronics if the meter is dropped into water
- Stability indicator displayed on the LCD disappears once a stable reading is achieved
- Replaceable electrode design; electrodes typically last 1–2 years and can be replaced without purchasing a new meter
- HI73120 ORP electrode uses a simple cartridge design for easy sensor replacement in the lab or field
- HOLD function allows readings to be frozen on the display for recording
- Auto shut-off turns the meter off after 8 minutes of inactivity to conserve battery life
- Battery percentage level is shown on startup
Specifications
- pH Range: −2.00 to 16
- pH Resolution: 0.01 pH
- pH Accuracy: ±0.05 pH
- ORP Range: ±1000 mV
- ORP Resolution: 1 mV
- ORP Accuracy: ±2 mV
- Temperature Range: −5.0 to 60.0°C / 23.0 to 140.0°F
- Temperature Resolution: 0.1°C / 0.1°F
- Temperature Accuracy: ±0.5°C / ±1°F
- pH Calibration: Factory calibrated
- Battery Type/Life: 1.5V (4) batteries / approximately 250 hours of continuous use; auto-off after 8 minutes of non-use
- Electrode/Probe: HI73127 replaceable pH electrode (included) with fixed ORP sensor
- Operating Environment: −5 to 50°C (23 to 122°F); maximum 100% RH
- Dimensions: 163 × 40 × 26 mm (6.4 × 1.6 × 1.0 in)
- Weight: 100 g (3.5 oz)
Ordering Information: HI98121 (ORP/pH) supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries, and instructions
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