Rs485 ORP Sensor With Split Wire For Industry Sewage Or Drinking Water
RS485 digital ORP (oxidation-reduction potential) sensor DRH790 is a sensor for measuring oxidation-reduction potential in water. Such sensors are usually used in water treatment, environmental monitoring, sewage treatment, swimming pool water quality monitoring and other fields.
RS485 communication protocol: RS485 is a communication standard that allows multiple sensors to communicate through the same bus, with good anti-interference and stability. This makes the RS485 digital ORP sensor suitable for remote data transmission in complex environments.
Digital output: The traditional ORP sensor is usually an analog output, but the RS485 digital ORP sensor output is a digital signal. Digital signals allow for less signal distortion and are easier to interface with other digital devices.
High-precision measurement: RS485 digital ORP sensor can provide high-precision oxidation-reduction potential measurement results, thereby ensuring accurate monitoring of water quality.
Corrosion resistance: These sensors are usually made of corrosion-resistant materials and can operate stably for a long time in different water quality environments.
Advantage:
Real-time monitoring: RS485 digital ORP sensor can provide real-time oxidation-reduction potential measurement value to help quickly understand the oxidation-reduction state of the water body and take necessary measures in time.
Remote monitoring: Through the RS485 communication protocol, these sensors can be connected with a remote monitoring system to realize remote data transmission and monitoring, which facilitates unified management of water bodies in scattered areas.
Low maintenance cost: Because the digital sensor is more stable and reliable, and the automatic calibration function reduces the need for frequent manual calibration, the maintenance cost is relatively low.
The RS485 digital ORP sensor provides a real-time, accurate and stable water oxidation-reduction potential monitoring solution through the characteristics of digital signal output, high-precision measurement and automatic calibration. These advantages make it widely used in the fields of water treatment and environmental monitoring, and become an important part of the automatic control system.
Specification:
| Model | DPH790 | DRH790 |
| Electrical Isolation | Electrical isolated communication and power interfaces |
| Measuring Object | pH | ORP |
| Measuring Technology | Electrochemical glass electrode | Electrochemical platinum electrodes |
| Measuring Range | pH: 0~14pH TEMP: 0~50℃ | ORP: ±2000mV TEMP: 0~50℃ |
| Resolution | 0.01pH / 0.1℃ | ±1mV / 0.1℃ |
| Accuracy | 0.1% of the range or ±0.02pH, take the larger one; Temp: ± 0.5℃ | 0.1% of the range or ±2mV, take the larger one; Temp: ± 0.5℃ |
| Communication | RS485 MODBUS-RTU |
| Temp Unit | Automatic Temp compensation | Temp measurement |
| Response Time | T90＜10s |
| Calibration Method | Zero position calibration and slope calibration |
| Work Pressure | 0~4Bar |
| Sample Flow Rate | 0.5m/s≥flow rate≥0.001m/s |
| Operating Temp | 0~50℃ (does not freeze) |
| Storage Temp | 0~60℃ (does not freeze) |
| Shell Material | ABS or PPS |
| Dimension | Diameter: 35mm Length: 220 mm (protective claw included) |
| Mounting Thread | 1 inch NPT at both ends; Immersed or piped installation |
| Lead interface | Integral or split M16 connector |
| Protection Grade | IP68 |
| Power Supply | 9~24V DC |
| Power Consumption | 0.2W |
| Weight | 200g |
| Cable | Standard 5 meters (other length can be customized) |
Please click the user manual of ORP sensor here:
DRH79 User Manual.pdf
Features＆ Advantages
- Compact all-in-one design
- Support handheld devices and in-situ applications
- Large capacity reference, long service life
- 1" NPT mounting thread for flexible installation
- Internal storage of calibration data
- Support offline calibration, on-site plug and play
- Optional cleaning connector for underwater cleaning
- Standard Modbus protocol, support access to standard industrial control system
- pH sensor split cable for easy installation and maintenance
Aplication:
Water treatment monitoring
Drinking water,surface water,water quality analyze,ground water,ect.
Industrial process monitoring and dosing control
Chemical,petroleum,paper,food and medicine,PCB manufacturing,etc.
FAQ
1.Does ORP measurement require temperature compensation?
A: ORP measurement is not temperature controlled, so the ORP sensor does not require temperature compensation.
2. How do we choose the ORP electrode when the oxidation level is high?
A: In occasions where the oxidation level is high, that is, the ORP value is high, platinum electrodes are recommended, otherwise gold electrodes are recommended. ORP measurements usually use the above two inert materials as indicator electrodes.
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