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How to choose the right temperature and humidity sensor

by:Rika Sensors     2021-09-09
The use of the temperature and humidity sensor has certain requirements for the environment. If you want to accurately measure the temperature and humidity in the environment, you must place the temperature and humidity sensor in an environment that is more suitable for its measurement. The flammable and explosive environment has an impact on temperature and humidity The damage to the sensor is extremely large, and it is easy to cause the instrument to be completely irreparable damage. Therefore, in this environment, the anti-riot performance of the temperature and humidity sensor has high requirements, and the sealing of the instrument is equally important, explosion-proof Sexual temperature and humidity sensors are now graded according to different riot intensity, so we must be clear about this when choosing a temperature and humidity sensor.

We need to observe the agility and repeatability of the temperature and humidity sensor. These are very important places for the temperature and humidity sensor. When observing its resolution and product range, choose the type you need, and open and close the product. Two tests of the box to see if the results are consistent. The temperature sensor can measure within the expected total range according to the measurement range. When the measurement range is too large, the number of temperature sensors can be appropriately increased. The thermocouple is an important device in the temperature sensor, and the thermistor provides a large enough The resistance change makes these sensitive components very suitable for narrow measurement ranges.

The measurement accuracy of the temperature and humidity sensor must be considered. It is very important to choose the measurement accuracy of the temperature and humidity sensor. The measurement accuracy of the temperature and humidity sensor is an important and effective indicator of this sensor. As long as the measurement accuracy of the sensor is increased by one percentage point, the temperature and humidity sensor is like a step up, and it can even be said to be up to a level. Different working units require different measurement accuracy of the temperature and humidity sensor, and the required measurement accuracy is also different for each measurement of the temperature and humidity of the same thing.

To better use the temperature and humidity sensor, or to save the purchaser's money, you must choose the required measurement accuracy of the temperature and humidity sensor. To manufacture temperature and humidity sensors with different measurement accuracy, the required cost difference is very large, of course, the level of cost determines the level of selling price. Therefore, those who need to buy a temperature and humidity sensor must carefully choose the measurement accuracy of the temperature and humidity sensor, find the one that suits them, and do not blindly pursue the high-precision temperature and humidity sensor in the society. This is easy to lose to yourself, and it will bring unnecessary trouble while measuring.

If the measuring range is quite large, the thermocouple is more suitable, and the freezing point is also included in this range, because the thermocouple's graduation table is based on this temperature. The linearity of the sensor within the known range can also be used as an additional condition for selecting the sensor.


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