Rika Sensor is a weather sensor manufacturer and environmental monitoring solution provider with 10+ years of industry experience.

Tips for choosing temperature and humidity sensors

by:Rika Sensors     2021-09-07

 With the accelerated development of the social industry, the application of temperature and humidity sensors in various fields of industrial life has also been popularized. In the wide range of product applications, many users have not grasped the precautions when purchasing products, resulting in product testing. When temperature and humidity, the measured data is inaccurate, the temperature and humidity sensor has high accuracy, and high-quality after-sales service is guaranteed. Allow users to comprehensively answer the precautions when using, and promptly assist in dealing with problems caused by improper use. So, what are the precautions when using the product?

Let us briefly talk about a few points:

1. Sensor measuring range

 First of all, you must know the measurement range when you choose, and pay attention to what value the instrument you purchased is measuring. Because some sensors measure relative humidity and some are absolute humidity, you need to ask the manufacturer or see the label to make it clear.

2. The influence of temperature drift

 In actual use, the instrument will age due to the influence of dust, oil and harmful gases. Therefore, users need to consider the problem of reduced accuracy. Under normal circumstances, the annual drift of the product is about plus or minus 2%, or even higher. The user should re-calibrate the temperature and humidity range according to the indication in the product manual.

3. How to choose measurement accuracy 

 Measuring accuracy is a particularly important indicator. Every increase of-percentage point is a higher grade for the product. At the same time, the relative manufacturing cost will also increase a lot, so the user should choose when buying Consider the real needs of the enterprise, don't blindly pursue accuracy, but purchase the accuracy you need. To improve the cost performance. In the case of different ambient temperatures, the display value should also consider the effect of temperature drift. 

4. Precautions for maintenance

 Daily maintenance note that the sensor is non-sealed. In order to ensure the accuracy and stability of the measurement, it should be avoided as much as possible in acidic, alkaline and corrosive environments. At the same time, avoid using it in a dusty environment. In order to objectively reflect the temperature and humidity of the space to be measured, it is also necessary to avoid installing the sensor away from the edge of the wall or dead corners where the air does not circulate. If the room to be tested is large, multiple sensors should be installed. In order to comprehensively detect and obtain valid data.

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