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Pressure transmitter manufacturer: What is the role of pressure transmitter
Release time:2022-04-19
The pressure transmitter of pressure transmitter manufacturer is a kind of equipment that converts pressure into pneumatic signal or electrical signal for control and remote transmission. It can convert the physical pressure parameters such as gas and liquid sensed by the weighing sensor into standard electrical signals (such as 4~20mADC, etc.), It can provide secondary instruments such as indication alarm, recorder and regulator for measurement, indication and process adjustment.
Pressure transmitter manufacturerThe pressure transmitter is a device that converts pressure into pneumatic or electrical signals for control and remote transmission. It can convert the physical pressure parameters such as gas and liquid sensed by the weighing sensor into standard electrical signals (such as 4~20mADC, etc.), It can provide secondary instruments such as indication alarm, recorder and regulator for measurement, indication and process adjustment.
Pressure transmitter manufacturerThe pressure transmitter is widely used in various industrial automatic control environments, involving water conservancy and hydropower, railway transportation, intelligent buildings, automatic production control, aerospace, military, petrochemical, oil wells, electric power, ships, machine tools, pipelines and other industries.
Pressure transmitter manufacturerThe main functions of the pressure transmitter are:
1. Transmit the pressure signal to the electronic device, and then display the pressure on the computer.
Pressure transmitter manufacturerThe principle of the pressure transmitter is roughly as follows:
1. Convert the mechanical signal of water pressure into current (4-20mA). Pressure is linear and usually proportional to voltage or current. Therefore, the voltage or current output by the transmitter increases as the pressure increases.
2. The relationship between pressure and voltage or current is derived. The two pressures of the measured medium of the pressure transmitter are introduced into the high and low pressure cavity. The pressure of the low pressure cavity is atmospheric pressure or vacuum, which acts on the isolation diaphragm on both sides of the δ element (that is, the sensitive element), and the isolation diaphragm and the element The filled liquid is transmitted to both sides of the measuring diaphragm.
3.Pressure transmitter manufacturerThe pressure transmitter is a capacitor consisting of a measuring diaphragm and an insulating sheet on both sides. When the pressure on both sides is inconsistent, the measuring diaphragm will be displaced, and the displacement is proportional to the pressure difference, so the capacitance on both sides is not equal, which is converted into a signal proportional to the pressure through oscillation demodulation.
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Add: Guangdong Province,China