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About the temperature and humidity sensor
Temperature and humidity sensors are generally divided into resistive and capacitive types. Resistive sensors are generally inexpensive, but they are said to have poor humidity measurement accuracy of 10% above and below. Capacitive sensors are relatively expensive compared to resistive sensors, but they are said to be highly accurate and capable of measuring from 0% to 100%. Sensirion is the latter type of capacitive temperature and humidity sensor. However, even with the capacitive sensors on the market, there are many people who are concerned about condensation, accuracy deviations over time, and response speed.
This time, we would like to introduce Sensirion's strengths in three issues that are often raised by our customers.
Sensirion has about 55% of the WW market share and is the No. 1 manufacturer, so please feel free to contact us if you would like a detailed explanation.
①Durability against condensation
Have you ever used a temperature/humidity sensor on the market and found that it broke when used in a humid environment to measure the humidity environment? We have heard from many people that the temperature and humidity sensor breaks down quickly and is difficult to handle.
However, Sensirion's products have the property of returning to their original state even if they get wet. This is because, unlike the structure of other companies' products, the sensor has a structure that is less susceptible to external influences. The external environment is actually a harsh environment for sensors, but we have a track record of adoption in products that are used in such environments.
Ex.) Indoor and outdoor units of air conditioners, monitoring inside greenhouses, etc.
*The data sheet states that there is no condensation.
(2) Deterioration over time
It seems that there are many products on the market that do not publicly describe aging deterioration in specifications etc. This is because the temperature and humidity sensor itself is susceptible to external influences, and the degree of deterioration varies depending on the customer's specification environment. However, S Sensirion's temperature and humidity sensor has a structure that is resistant to external influences, so there is a description of aging deterioration in the specifications. This is also due to the unique sensor structure. Furthermore, temperature: ±0.03°C/humidity: ±0.25%, which is characterized by small deviation. Therefore, Sensirion's temperature and humidity sensors have a proven track record in many applications used in high humidity environments.
*The specification is ±0.03°C/year, but if the accuracy deviation occurs one-sidedly and continuously
*The specification is ±0.03°C/year, but if the accuracy deviation occurs one-sidedly and continuously
(3) Response speed
Have you ever felt that the response speed is slow when using a temperature and humidity sensor? We have received inquiries from customers of IoT products that the response speed is slow and they cannot confirm measurements in real time. Sensirion's unique sensor structure also achieves fast responsiveness. In addition, since the responsiveness is fast, more real-time measurement is possible.
This is because real-time values cannot be read if the response speed is slow when monitoring air temperature and humidity in real time. In addition, if the response speed is slow, it may be too late when using it for alerts such as anomaly detection. Therefore, we have received a lot of needs for IoT products.
At the end
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We also have a temperature and humidity sensor demonstration video by our technical team, so if you are interested, please take a look.
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