The displacement sensor has 7 parameters

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  • Time of issue:2020-07-10 13:38
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The displacement sensor has 7 parameters


Displacement sensor is a detection device, which can sense the measured information and transform the detected information into electrical signal or other required information output according to certain rules, so as to meet the requirements of information transmission, processing, storage, display, recording and control. It is the first step to realize automatic detection and automatic control.

As for the displacement sensor parameters, there are mainly the following points:

1, technical indicators: sensitivity for a device, usually sensitivity, the higher the better, because the more sensitive, the acceleration of change on the surrounding environment, the easier it is to feel the change of the acceleration, and naturally, change of output voltage is bigger, this measure is easy and convenient, and the measured data will be accurate.

2. Zero point temperature drift: the change of zero point equilibrium caused by the change of ambient temperature. Generally, it is expressed as the percentage of the rated output caused by the change of zero equilibrium for every 10℃ change of temperature, that is, the drift of the input caused by temperature change when the sensor is not under pressure.

3. Technical indicators of bandwidth: bandwidth refers to the effective frequency band that can be measured by a sensor. For example, a sensor with a bandwidth of hundreds of HZ can measure vibration, and a sensor with a bandwidth of fifty HZ can effectively measure inclination.

4. Technical indicators of output mode: digital output and analog output. The digital sensor inputs digital signals to the instrument, such as quantity, weight, etc. Analog sensors input analog signals, such as voltage, current, etc.

5, the range of technical indicators: to measure the motion of different things need to be different range, to be measured according to the actual situation.

6. Ultimate overload: The maximum load that the sensor can bear without losing its working capacity. This means that the sensor will suffer permanent damage when the work exceeds this value.

7. Sensor gain: is the amplification ratio of the original signal output of the sensor

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