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The ORP probe is an electrode used to measure the redox potential in a solution. It can determine the redox capacity of a solution by measuring the potential difference between the electrode and the reference electrode. The difference between a digital ORP probe and an analog ORP sensor is that the digital ORP electrode can directly output a digital signal, while the analog ORP electrode converts the signal to a digital signal through an analog signal converter.
ORP probes are mainly used in water treatment, food processing, metal processing, chemical production and other fields. In water treatment, it can be used to monitor the redox capacity in water to determine whether the water quality meets standards; In food processing, it can be used to monitor redox capacity in food to ensure food quality and safety; In metal processing, ORP electrodes can be used to monitor the redox capacity of metal surfaces to determine the cleanliness of metal surfaces; In chemical production, digital orp sensor can be used to monitor the redox capacity during a reaction to control the progress of the reaction.
● Internal storage of calibration data, support offline calibration, plug and play on site.
Specifications
| Product Name | Digital ORP probe |
| Product Model | DRH790 |
| Measuring Range | -2000mV~+2000mV |
| Resolution | ±1mV; 0.1℃ |
| Accuracy | 0.1% of the measuring range or ±2mV |
| Response Time | T90＜10s |
| Communication | RS485 Modbus |
| Calibration Method | Zero position calibration and slope calibration |
| Working Pressure | 0~4Bar |
| Temp. Compensation | Built-in temperature unit, temperature detection |
| Operating Temp. | 0~50℃ |
| Reference System | Ag/AgCl |
| Shaft Material | PPS |
| Dimensions | Diameter 35mm / Length220mm |
| Protection Grade | IP68 |
| Weight | 200g |
| Power Supply | 9~24V DC |
| Installation Dimensions | A British 1 NPT of the head and the tail for each install thread； |
| Insert depth 100mm(including cleaning plug 115mm) | |
| Signal Lead | Standard 5 meters, support orders within 60 meters |
1. What is the power supply of the pH sensor？
A：9~24V, it can be used separately or connect with the controller.
2. What is the cable length？
A: The digital ORP sensor default is 5 metes, the users can custom the length.
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