ORP is an abbreviation for Oxidation-Reduction Potential, also known as Oxidation-Reduction Potential Value. It is an index to measure the redox ability of a solution. The digital ORP sensor developed and produced by Daruifuno has an RS485 digital interface, which can be directly connected to industrial control equipment to output data. It is necessary to monitor the value of ORP in the waterworks, especially in some aspects of water treatment. For example, monitoring the ORP value in raw water can help determine the concentration of oxidizing and reducing substances in the water, as well as whether there are harmful substances. In the process of coagulant dosing, monitoring the value of ORP can help determine the appropriate dosage of coagulant to achieve the best coagulation effect. Similarly, in the flocculant dosing process, using a Digital ORP Sensor to monitor the ORP value can help determine the flocculant dosage to achieve the best flocculation effect. In the process of chlorine disinfection, monitoring the ORP value can determine the appropriate dosage of chlorine to ensure the disinfection effect of water. In short, in many aspects of tap water treatment, ORP content needs to be monitored.
DRH790 is a digital ORP sensor with accurate measurement and stable data. It has the following characteristics:
1. Using PSS shell, high temperature and corrosion resistance, split structure, easy installation
2. Built-in RS485 digital interface, support Modbus communication protocol, data transmission is more convenient
3. The ORP sensor has a wide measurement range, ±2000mV, and a long service life
4. Provide a matching single-parameter digital ORP controller, which can also be connected with a multi-parameter controller to realize online simultaneous monitoring of multiple parameters
Measuring Range | pH:0~14pH ORP:-2000~2000mV Temp.:-10~150℃ |
Resolution | pH:0.01pH ORP:1mV Temp.:0.1℃ |
Temp. Compensation | automatic (PT1000/NTC10K) or manual |
Accuracy | 0.1% FS or pH: ± 0.02pH, ORP: ±2mV, take the larger one |
Display Screen | 3.2 inch LCD screen |
System Language | English |
Calibration Method | pH: 3 points; ORP: 2 ponits |
Password | Six-digit passcode setting |
Relay Output | 2 SPST relays,max. load 3A/250VAC |
Current Output | 0/4~20mA |
Protection Grade | IP66 |
Working Temperature | 0~60°C |
Storage Temperature | 20~70°C |
Dimension | 100*100*120mm |
Material | Enhanced ABS |
Power Supply | AC:100~240VAC, 50~60Hz;DC:18~36VDC |
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