
pH / ORP Sensors
Digital ORP Sensor YG-DR/21
YG-DR/21Former model: YG-ORPS/D21
Les spécifications détaillées sont affichées en anglais.
The digital ORP sensor is a digital sensor developed by YuanGan with the digital circuit integrated inside the sensor. It has an RS-485 interface and the Modbus-RTU communication protocol.
Typical applications
- Water Treatment Plants
- Water Distribution Network
- Swimming Pools
- Cooling Circulating Water
- Water Treatment Projects
yan@yuangankeji.com · +86-400-1688-667 · WhatsApp +86 151 7883 0466
Key features
- 01
Isolated power supply design
Keeps the signal stable and interference-free
- 02
Standard Modbus-RTU protocol
Simple and convenient to connect
- 03
Low-power design
Fits more application scenarios
Technical Specifications
| ORP | |
|---|---|
| Measurement method: | Electrochemical (electrode) method |
| Range: | -2000 mV ~ +2000 mV |
| Resolution: | 1 mV |
| Limit of detection: | 1 mV |
| Accuracy: | ±20 mV |
| Repeatability: | 10 mV |
| Response time (T90): | ≤60 s |
| Calibration method: | One- or two-point calibration |
| Temperature | |
| Measurement method: | Thermistor method |
| Range: | -5 °C – 60 °C |
| Resolution: | 0.1 °C |
| Accuracy: | ± 0.4 °C |
| Repeatability: | 0.2 °C |
| Response time (T90): | ≤25 s |
| Calibration method: | One-point calibration |
| System parameters | |
| Operating voltage: | DC 9–28 V |
| Peak power: | 0.5 W |
| Communication interface: | RS485 interface |
| Operating temperature: | -5–45 °C (non-freezing) |
| Operating pressure: | < 0.1MPa |
| Electrode material: | Single platinum ring |
| RBMS version dimensions: | 201 mm × Φ32 mm |
| Threaded version dimensions: | 220 mm × Φ32 mm |
| (Note: specifications may change with product improvements; YuanGan reserves the right to modify them.) | |
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yan@yuangankeji.com · +86-400-1688-667 · WhatsApp +86 151 7883 0466


