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pH value is an important indicator to reflect the degree of acid and alkali of water quality, which can directly reflect the acid and alkali nature of sewage, and has an important impact on the effect of sewage treatment and the quality of environmental discharge. If the pH value is too high or too low, it will have a negative impact on the environment, resulting in an imbalance in the pH of the water body, causing harm to aquatic organisms, and even causing failure and damage to sewage treatment equipment. The DPH890 rs485 pH probe is an online digital pH sensor which can test the water pH value continuously.
The importance of water quality pH value to environmental protection discharge is that environmental protection discharge requires the water quality after sewage treatment to meet a certain standard, if the pH value is too high or too low, it will affect the stability and biochemistry of water quality, resulting in organic matter and inorganic matter in the water body can not be degraded, thereby affecting the purification effect of the water body, and even causing adverse effects on the environment and human health. Therefore, monitoring and controlling the pH value of water quality is an important part of environmental discharge. So choose a high quality pH electrode is very important. The digital pH sensor has the following advantages:
Specification
| Product Name | Digital PH sensor |
| Product Model | DPH890 |
| Measuring Range | pH: 0~14pH TEMP: 0~50℃ |
| Resolution | 0.01pH /0.1℃ |
| Accuracy | 0.1% of the range or ±0.02pH, take the larger one; Temp: ±0.5℃ |
| Communication | RS485 MODBUS-RTU |
| Working Pressure | 0~1Bar |
| Sample Flow Rate | 0.5m/s≥flow rate≥0.001m/s |
| Temperature Compensation | built-in temperature unit, automatic temperature compensation |
| Response Time | T90＜ 10s |
| Calibration | Zero position calibration, slope calibration, offset calibration |
| Operating Temperature | 0~50℃ |
| Storage Temperature | 0~60℃ |
| Shaft Material | POM+SS 316L or Ti (customized) |
| Dimensions | Diameter 38mm / Length270mm |
| Protection Grade | IP68 |
| Installation Dimensions | Immersed or piped installation (Requires mounting accessory support) |
| Lead interface | Split M16 connector |
| Power Supply | 9~24V DC |
| Power Consumption | 0.2W |
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