Description
Features
- English menu display, easy to operate Isolated 4 mA to 20 mA current output
- Password function/Backlight control function Automatic calibration
- View electrode calibration performance
- The probe adopts high-performance high-precision electrodes
- In addition to optional general electrodes, the controller can also replace the electrodes
- Selected ingredients, exquisite workmanship, create better quality
- Numerical real-time display
- Intelligent detection of values without manual supervision
Technical Specification
Measurement item | PH | ORP | TEMP |
Measurement range | -2 pH to 16 pH | 2000 mV | 14 °F to 275 °F (-10 °C to 135 °C) |
Resolution | 0.01 pH | 1 mV | 32.18 °F (0.1 °C) |
Accuracy | ±0.01 pH | ±1 mV | 32.36 °F (±0.2 °C) |
stability | <0.02 pH/24 h | <1 mV/24 h | < 32.36 °F (0.2 °C) / 24 h |
standard solution | 6.86 / 4.00 / 9.18 | any standard solution | nil |
Correction range | Zero point ±1.50 pH, slope +30% | ||
Temperature compensation | Manual temperature compensation or Pt 1000 automatictemperature compensation | ||
display | 128 x 64 dot matrix English display | ||
control method | Hi/Lo Two independent relay control outputs; one automatic cleaning relay control output (optional) | ||
relay load | Maximum AC 220 V, 3 A resistive load | ||
Signal output | 4 mA to 20 mA isolated signal output, programmable, the maximum load is 500 Ω | ||
Communication output | RS 485 (optional) | ||
input resistance | >1 × 1012 Ω | ||
Alarm indication | Three sets of warning lights show high point,low point and cleaning status | ||
power supply | 220 VAC, 50 Hz, or 24 VDC (see product identification) | ||
power | 3 W | ||
Hole Size | 3.4 in (88 mm x 88 mm) | ||
Installation method | Distribution box opening installation | ||
working environment | Ambient temperature: 23 °F to 131 °F (-5 °C to 55 °C), relative air humidity: 90% RH, no strong magnetic field interference except the earth’s magnetic field | ||
dimensions | 3.7 in x 3.7 in x 4.3 in (96 mm x 96 mm x 110 mm) | ||
weight | 1.43 lb (0.65 Kg) |