Rs485 ORP Sensors With Replaceable Measuring Head For Sewage Or Drinking Water
Replaceable Measuring Head Digital ORP Sensor DRH790 is a device for measuring Oxidation-Reduction Potential (ORP) in solution, it is cost-effective, replaceable measuring head digital ORP sensor adopts separate design, allowing users to replace only the measuring head part, reducing maintenance and replacement costs. Environmentally friendly, convenient and fast, reliable and other advantages.
Digital output: The replaceable measuring head digital ORP sensor adopts digital output, which can be directly connected with modern control systems and instruments, eliminating the interference and errors that may be caused by traditional analog signal transmission.
Long life: Due to the design of the replaceable measuring head, the main part of the sensor is usually durable and long-lived, while being easy to replace, extending the service life of the entire sensor.
Anti-interference: Digital signal transmission has strong anti-interference ability, and the digital ORP sensor with replaceable measuring head shows high reliability in complex industrial environments.
In general, the replaceable measuring head digital ORP sensor is more economical, environmentally friendly and convenient than traditional sensors, and has advanced technical features, suitable for various application scenarios that require ORP value monitoring.
Specification:
| Model | DPH890 | DRH890 |
| 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, slope calibration, offset calibration |
| Work Pressure | 0~1Bar |
| 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 | POM+SS 316L or POM+Titanium alloy |
| Dimension | Diameter: 38mm length: 270 mm (Body:D 38mm L 270mm Head: D 27mm L 115mm) |
| Mounting Thread | Immersed or piped installation (Requires mounting accessory support) |
| Lead interface | Integral or split M16 connector |
| Protection Grade | IP68 |
| Power Supply | 9~24V DC |
| Power Consumption | 0.2W |
| Weight | 550g |
| Cable | Standard 5 meters (other length can be customized) |
Features＆ Advantages
- The measuring head can be replaced, when the sensor head fails or is damaged, only the head needs to be replaced, saving the cost of repairing or replacing the sensor
- Quick change of pH or ORP measurement unit
- Internal storage of calibration data
- Support offline calibration, on-site plug and play
- Standard Modbus protocol, support access to standard industrial control system
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.
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