SI7021-A10-IM Sensors, Transducers

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Humidity and moisture sensors play an important role in many applications, ranging from agriculture to industrial and automotive control systems. The SI7021-A10-IM is a product manufactured by Silicon Laboratories which is an integrated humidity and temperature sensor operating on the I2C digital interface.

In terms of applications, the SI7021-A10-IM is used for applications such as agricultural systems, research and development laboratories, automotive systems as well as industrial and commercial electronics systems. It is designed to measure the relative humidity in the atmosphere and the amount of moisture present in the atmosphere. It can also be used for monitoring functions such as temperature measurement, which is important in controlling the conditions inside of the environment. The SI7021-A10-IM is also well suited for measurement of atmospheric temperature.

The working principle of the sensor involves a resistance measurement element that is based on a capacitive structure. Capacitance can be changed with the change of humidity, temperature and pressure. The resistance of the sensor is measured when the capacitance is in equilibrium. To achieve able the sensing of relative humidity and temperature, the internal structure contains two elements: a capacitive element with a thin-film PTFE moisture sensitive material, and a resistive element. The capacitive element is based on a dual-action principle which obtains a highly sensitive output. The output obtained by the capacitive element is then multiplied by a thermal regulation process to obtain the relative humidity within the atmosphere. The thermal regulation process is based on a thermally aided method in which the relative humidity and temperature are measured in parallel using two different elements.

The SI7021-A10-IM sensor provides an accurate and reliable humidity and temperature measurement. It has an operating temperature range of -40°C to +85°C and a maximum relative humidity measurement accuracy of ± 2%RH. The supply voltage for the sensor is between 3.3V to 5.5V and it can also be powered down in order to decrease power consumption. The sensor can also communicate with its environment through the I2C digital interface. This interface is used for transmitting data and commands and it supports up to 400 Kb/s data transfer rate.

In conclusion, the SI7021-A10-IM is a humidity and temperature sensor which is suitable for a wide range of applications. This sensor is capable of accurately measuring the relative humidity and temperature of the atmosphere and can be powered down and powered up using the I2C digital interface. This makes it an ideal choice for both industrial and commercial applications.

The specific data is subject to PDF, and the above content is for reference