Banner Sensor – A calibration method for temperature sensors

Create Date: 2024-8-30 12:03:23|Source: BANNER

The most common method of calibrating a temperature sensor, like most other sensors, is to place the sensor in an environment with a known temperature that can be accurately measured for a period of time, and then record and check that the output of the sensor is consistent with the known ambient temperature, and calculate the error of the sensor. So let's take a look at the calibration method of the temperature transmitter.

Since the temperature in the natural environment is always a slowly changing physical quantity, the verification of the temperature sensor is static under normal circumstances, which can also meet the actual needs of most temperature sensors. There are very few dynamic verifications, and there are very few devices that can realize dynamic temperature detection.

Due to the extremely simple methods and principles of static temperature sensor verification, such data or standards are rare. The dynamic calibration of temperature sensors is generally carried out by laser method. The best way to improve the dynamic characteristics of a temperature sensor is to use a responsive temperature sensing material and reduce the mass and thermal inertia of the sensor's temperature sensing part.

The calibration process of the temperature sensor is actually to determine the parameters of the temperature sensor, especially the accuracy problem, so the accuracy of the measuring equipment used in this process is usually an order of magnitude higher than the accuracy of the sensor to be calibrated, so that the performance index of the purchased temperature sensor is determined by calibration, and the accuracy determined is credible.
Banner Sensor – A calibration method for temperature sensors

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