DPH790 online digital pH probe adopts glass electrode method, and the measuring range is 0~14pH. The advantage of the Digital PH Sensor is that it can achieve reliable and interference-free signals. It can internally convert its own measurement signals from analog signals to digital signals to ensure that reliable digital signals can also be obtained in long-distance situations. This digital ph probe RS485 can be plug-and-play, internally stores calibration data, can be calibrated offline, and can be put into use quickly. The shell is made of PPS, which is resistant to pollution. This Ph Sensor is widely used in sewage treatment. Usually in the sewage treatment industry, the requirements for pH electrodes are relatively strict. There are a lot of chemicals and microorganisms in sewage, so the digital pH probe needs to have good corrosion resistance and be able to work stably for a long time. In addition, there must be higher precision and stability. In sewage treatment, there may be a certain pressure, so the electrode must be able to withstand a certain pressure. The following are the features of digital ph sensor DPH790:
Features
1. PPS shell, high temperature and corrosion resistance, the use temperature is 0~50℃
2. The accuracy of the digital pH probe is 0.1%, and the resolution is 0.0.1pH
3. Built-in RS485 interface, support Modbus communication protocol, convenient networking
4. There are 1 inch NPT thread at the beginning and end, easy to install
5. Can be used alone without a controller, the voltage is 9~24V DC
6. M16 split form, easy to dismantle, working pressure is 0~4bar
7. IP68 protection level, can work continuously under water
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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