Firstly, let’s understand the structure and function of conventional pressure transmitters. A pressure transmitter is mainly composed of three parts: a pressure sensor, a measurement conversion circuit, and a process connection component. Its function is to convert physical pressure paramet...
1. How to select a pressure transmitter? Firstly, it is necessary to confirm what kind of pressure to measure
Firstly, determine the maximum value of the measured pressure in the system. Generally, it is necessary to choose a transmitter with a pressure range that is about 1.5 times larger than t...
Pressure transmitter
1. Pressure and negative pressure measuring devices should not be installed in curved, corner, dead corner, or vortex shaped areas of the pipeline, as they are installed in the straight direction of the flow beam, which can cause distortion of the static pressure head.
When i...
What are the common reasons why the temperature measurement point on the DCS operation screen turns white?
(1) The clamp safety barrier is not powered or faulty
(2) The site is not wired or the wiring is wrong
(3) The measured temperature is out of range
There is a pressure transmitter, which i...
During the use of pressure transmitters, attention should be paid to the following situations:
Do not use a voltage higher than 36V on the transmitter as it may cause damage.
Do not use hard objects to touch the diaphragm of the transmitter, as it may damage the diaphragm.
The tested medium shou...
A: Nowadays, sensors are composed of two parts, namely sensitive components and conversion components.
The sensitive component refers to the part of the sensor that can directly sense or respond to the measured part;
The conversion element refers to the part of a sensor that converts the measured...
A: Pressure gauges are usually directly installed in pipelines, using the internal expansion tube to sense pressure and driving the gear mechanism to rotate the pointer to achieve the effect of displaying the pressure value
B: Pressure transmitters are generally used in industrial automati...
When the pressure rises, the pressure transmitter cannot output: In this case, the pressure interface should be checked for air leakage or blockage. If it is confirmed that it is not, the wiring method should be checked. If the wiring is correct, the power supply should be checked again. If the ...
The transmitter has no output
1. 1: Check whether the power supply of the transmitter is reversed; Solution: Connect the power supply polarity correctly。
1.2: Measure the power supply of the transmitter to see if there is a 24V DC voltage; Solution: The power supply voltage supplied to the tr...
Human survival and social activities are closely related to temperature and humidity. With the realization of modernization, it is difficult to find an area that has nothing to do with temperature and humidity. Due to different application fields, the technical requirements for temperature and hu...
The working principle of the fire pressure sensor: under normal circumstances, the positive pressure blower sends air to the air shaft through the air duct, and the pressurized air is sent to the front room or stairwell of each floor through the shutters or air valves on each floor.
When the vent...
Available in various combinations, filters and regulators are a must for any machine. Consideration should also be given to the use of other devices that perform functions such as energy isolation, blocking, marking and lubrication.
All pneumatic movements require clean, dry air with sufficient f...