What is the difference and connection between a differential pressure sensor and a differential pressure transmitter?
My friends all have this question: What is the difference between a transmitter and a sensor? What is the difference in working principle between them? The difference and connection between differential pressure sensor and differential pressure transmitter? This article answers these questions for you.
1. Principles and differences between sensors and transmitters
1.Sensor
A sensor is a general term for a device or device that can be measured and converted into a usable output signal according to a certain rule. It is usually composed of sensitive components and conversion components. It is the conversion of non-electricity to electricity, such as the extension of human facial features, also known as For the electrical features.
2.Transmitter
Transmitter is a converter that converts the output signal of the sensor into a signal that can be recognized by the controller (or converts the non-electricity input from the sensor into an electrical signal and amplifies the signal source for remote measurement and control).
3.The core difference between sensor and transmitter
The relationship between "change" and "send", the sensor and transmitter together constitute a monitoring signal source for automatic control. Transmitter is an instrument that converts non-standard electrical signals into standard electrical signals. Different physical quantities require different sensors and corresponding transmitters.
4.Sensor and transmitter connection
Sensors and transmitters are the concept of thermal instruments. When the output of the sensor is a specified standard signal, it is called a transmitter. The sensor converts non-electrical physical quantities such as temperature, pressure, liquid level, material, gas characteristics, etc. into electrical signals or sends physical quantities such as pressure, liquid level, etc. directly to the transmitter. Dewey Instrument Technology supplies transmitters to amplify the weak electrical signals collected by the sensors in order to transmit or activate control components. Or a signal source that converts the non-electricity input from the sensor into an electrical signal while amplifying it for remote measurement and control. According to the need, the analog quantity can be converted into digital quantity.
2. the difference and connection between differential pressure sensor and differential pressure transmitter
1.The concept of differential pressure sensor
Differential Pressure Sensor DPS (Differential Pressure Sensor) is a sensor used to measure the difference between two pressures. It is a differential pressure measuring element separated by a stainless steel corrugated diaphragm. The working principle is that the high and low pressure ends are protected by isolation diaphragms. Both pressure chambers can contact a certain corrosive fluid medium. The measured differential pressure is transmitted to the silicon pressure-sensitive element through the isolation diaphragm and filled silicone oil. , Realize the accurate measurement of differential pressure.
2.Differential pressure transmitter
Differential pressure transmitter uses the piezoresistive effect of the conductor silicon material of the differential pressure sensor to realize the conversion of differential pressure and electrical signal. Since the signal output by the Wheatstone bridge on the sensitive chip has a good linear relationship with the differential pressure, accurate measurement of the measured differential pressure can be achieved. Differential pressure transmitters are widely used in industrial process control, flow measurement, medical instruments, aerodynamic measurement, hydraulic, pneumatic equipment and other fields.
If you want to know more, our website has product specifications for pressure transmitter, you can go to ALLICDATA ELECTRONICS LIMITED to get more information