Pressure sensor is to use * to a wide range of a sensor.
The traditional pressure sensor is given priority to with mechanical structural components, with the elastic element deformation indicated pressure, but this kind of structure size, quality, weight, is unable to provide electrical output.
With the development of semiconductor technology, the semiconductor pressure sensor also arises at the historic moment.
Is characterized by small volume, light quality, high accuracy and good temperature characteristic.
Especially with the development of MEMS technology, the semiconductor sensor toward miniaturization, and the low consumption, high reliability.
Pressure sensor two wire system is simple, general customer all know how to wiring, a line connecting the power supply positive, another line is the instrument is connected to the negative power supply line, this is * simple, pressure sensor three-wire system is based on two wire system added a line, this wire is directly connected to the power of the cathode, a two wire system a little trouble.
Four wire pressure sensor must be two power input, the other two are signal output terminal.
Four wire system mostly voltage output instead of 4 ~ 20 ma output, 4 ~ 20 ma called pressure transmitter, most made two wire system.
Pressure sensor signal output of some of them are not amplified, full scale output only a few millivolts, and some of the pressure sensor in the internal amplifier circuit, output in a full range of 0 ~ 2 v.
As to how to display instrument, to look at the range of instrument is how much, if you have and the output signal of gear, can be directly measured, otherwise to add signal adjusting circuit.
Five wire pressure sensor with four wire were similar, five wire sensors on the market are less.
In addition to the above products, the company also supplies have pt100 temperature sensor
, temperature transmitter, and other products, our company has * have practical technology, professional operation team, to create on the premise that the user experience for your service, the service of the supreme good to beauty is our endless pursuit.
Because of the people-based, so trustworthy;
Because professional full-time, so worthy of choice.
The above information is for reference only. For details, please contact related staff to answer you.
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