HIH7131-021-001S Sensors, Transducers

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Humidity and moisture sensing is vital to many different industrial and commercial applications. One such technology that is used is the HIH7131-021-001S humidity and temperature sensor module. This article will explore the application field of the HIH7131-021-001S as well as its working principle.

The HIH7131-021-001S is a low-cost combined temperature and humidity sensor used in many industrial and commercial applications. It is a suitable choice for monitoring environmental and storage conditions, including food production, transport, and health care. Additionally, the sensor can be used in laboratories, greenhouses, and other scientific research applications. The sensor is very small and offers unparalleled reliability with low power consumption. It has a high accuracy of 0.5%RH in a wide humidity range of 0 to 100%RH.

The HIH7131-021-001S is considered to be a capacitive sensor, meaning that it works by measuring changes in capacitance. Capacitance is a property of a material that relates to its ability to store an electrical charge, and it varies in accordance with changes in relative humidity. The HIH7131-021-001S measures the time it takes an electrical charge to be stored and then discharged by sensing the difference in capacitance. From this, the sensor is able to calculate the relative humidity of the environment.

The HIH7131-021-001S is also equipped with a digital temperature and humidity chip. This chip utilizes a bandgap density compensation technology which performs well in the presence of gas molecules. This results in very high accuracy readings regardless of temperature or humidity measurement range. Additionally, the sensor has a wide temperature range of +40°C to +125°C and a resolution of 0.2°C and 0.1%RH respectively.

The HIH7131-021-001S is designed to be highly simple to use. By connecting the 3.3-5V power supply, the sensor can be easily configured by sending commands from a microprocessor. The humidity and temperature data can then be read in standard I2C format. Additionally, the sensor comes equipped with a built-in compensation algorithm which makes it easier to use.

In short, the HIH7131-021-001S is a reliable and accurate sensor used in many industrial and commercial applications. Its capacitive sensing technology makes it highly reliable with low power consumption. Its digital temperature chip and wide range of temperature and humidity measurement capabilities make it an ideal choice for many different applications. Simply connect the power supply, and the sensor can be quickly configured with ease.

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