Description pH controller
The PH controller is one of the intelligent online chemical analysis instruments. It can continuously monitor the data and realize remote transmission monitoring and recording through the transmission output connection recorder. It can also be connected to the RS485 interface . It can be easily connected to the computer through the MODBUS-RTU protocol. Monitoring and recording.
Application pH controller
GWQ pH controller widely used in continuous monitoring of PH value or ORP value and temperature in solutions such as thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food and tap water .
FAQ pH controller
1.How does the ph meter measure?
The online ph meter is composed of a controller and a ph electrode. The electrode gives an electric signal to the controller by sensing hydrogen ions in the solution. The ph value of the solution is obtained through an algorithm within the controller.
2.There are many ph types on the website. I don't know which one I should choose?
You can inform our engineers of the working conditions on site, such as the use situation, solution medium composition, solution pH range, solution temperature, etc. Our selection engineer will choose the appropriate electrode for you.
3.Can your ph meter be connected to PLC,DCS or computer on site?
Yes.Our ph controller supports 4-20ma output and can be connected to PLC or DCS.At the same time through the RS485 communication, connected to the computer for data processing.
4.Can your ph controller realize dosing control?
Of course,Our pH controller contains relay control, which can set the pH upper and lower alarm and control the solenoid valve switch, so as to realize dosing control.
Specification pH controller
Detail show pH controller
Type selection pH controller
GWQ- | Note | ||||||
Measurement parameter | pH | 0~14pH | |||||
| Model
| 2.0 | Chinese interface, can be customized English | |||||
| 4.0 | Chinese interface, can be customized English | ||||||
| 6.0 | Chinese and English operation interface | ||||||
Signal communication
| S1 | 4-20mA | |||||
| S2 | 4-20mA,RS485 | ||||||
Electrode type
| 511 | Composite electrode (0~60℃) | |||||
| 520 | Pure water electrode (0~60℃) | ||||||
| 513 | PTFE electrode (0~90℃) | ||||||
| 541 | High temperature electrode (0~90℃) | ||||||
| 530 | Desulfurization electrode (0~60℃) | ||||||
| 550 | High temperature sterilization electrode (0~130℃) | ||||||
| 620 | Imported electrode (-5~+80℃) | ||||||
| Q | Special electrodes can be customized | ||||||
Temperature compensation | T0 | No | |||||
| T1 | Yes | ||||||
Lead length | W0 | 5m(standard) | |||||
| W1 | Customized(≤50m) | ||||||
Eg:GWQ-pH6.0S1511T0W0
GWQ-pH6.0 controller,4-20mA output,Composite electrode,no temperature compensation, lead length 5m,
-
Download
GWQ pH controller
Water Analysis Instruments
Update time：2019.01.29