Integrated temperature sensor calibration principle is to use millivolt signal generator to simulate the thermocouple corresponding to different temperature values ​​of the millivolt signal as the transmitter input signal; the use of precision resistance box to generate resistance signals corresponding to different temperature values As the sensor's input signal, by adjusting the response potentiometer, in order to achieve sensor zero, range adjustment and accuracy of the check. One-piece temperature sensor adjustment precautions, pay attention to the polarity of the wiring, and power adjustment in the warm-up after 15 minutes. Adjustment to a slow speed signal input to ensure that no overshoot phenomenon. When adjusting the potentiometer do not use too much force to prevent screwing bad. Before the adjustment, it is necessary to prepare the calibration record sheet and check the thermocouple at each calibration point temperature / millivolt comparison table or RTD temperature / resistance comparison table, the required data will be found and filled into the already prepared Data record table.

The integration of temperature sensors can only be approved by the factory before they can be released, so that they can be used very well. Therefore, sensor calibration is very important. When it comes to calibration, it is important to pay attention to the calibration process and some minor details The above matters, we also need to pay attention to the calibration process, the only way to produce a more accurate temperature sensor.

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