How Does an Air Differential Pressure Transmitter Work?
The air differential pressure transmitter uses a piezoresistive chip. It uses the thin film resistor on the substrate for zero point correction, zero point temperature compensation and sensitivity compensation, and is packaged in a high-performance and stable silicon chip. Therefore, the air differential pressure transmitter has a high static pressure value, strong anti-interference, stability and reliability.
What is the Difference Between a Pressure Transmitter and a Differential Pressure Transmitter?
| Similarities | Output signal | 4-20mA, 0-10VDC, 0-5VDCcurrent signal, RS-485 digital signal and Hart |
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| Working principle | The pressure signal is converted into an electrical signal
through amplification and a temperature compensation circuit. Both are based on the piezoresistive effect. |
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| Differences | Pressure transmitter | Differential pressure transmitter | |||
| Measurement object | absolute pressure or relative pressure of a single point. |
pressure difference between two points, often used for flow and liquid level calculation. |
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| Application | monitoring the pressure at a single location, such as the pressure in a container or pipeline. |
Widely used in flow measurement, liquid level monitoring, filter blockage detection, and other fields |
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| Connection method | threaded connection | threaded connection, pagoda nozzle and a quick interface can also be used to facilitate the connection of the hose. |
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