Series:	CR6200
Part Status:	Active

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Specialized Sensors: CR6221-150-20 Application Field and Working Principle

CR6221-150-20 is a specialized sensor from the CR622 series, which features various types of temperature and moisture sensors. These highly sensitive and reliable sensors are used to measure temperature and humidity in a variety of applications, including industrial, home, and automotive settings. In this article, we’ll explore the main features, application fields, and working principle of the CR6221-150-20.

Main Features

The CR6221-150-20 is a highly accurate and reliable sensor designed to offer precise temperature measurements, great long-term repeatability, and a fast response time. The sensor is waterproof and waterproofed to a rating of IP65 which is dust-tight and protects it reliably against the ingress of liquids. The temperature range the device can measure is from -55 to 150°C and the humidity range is from 10 to 90%. It provides readings with a high accuracy of +/- 0.3°C / 2.5% RH. The sensor also features a built-in thermistor, which enables thermal compensation and a great long-term repeatability. It also has a wide operating temperature range, from -40 to +95°C.

Application Field

The CR6221-150-20 is a specialized sensor that can be used in a myriad of applications and industries. It can be used for monitoring temperature and humidity in warehouses, server rooms, and greenhouses, or in industrial processes such as soldering and metal cutting. It can also be used for meteorological applications, as a home automation tool, or in automotive applications.

Working Principle

The CR6221-150-20 utilizes a built-in thermistor to measure temperature and relative humidity. It takes the form of a thin-film plastic membrane capacitive humidity sensor. A small hole is formed in the membrane to fill it with air, which is used as a dielectric. As the air changes relative humidity, the capacitance of the sensor is altered, resulting in a generated voltage output. The output voltage is then fed to an amplifier, which converts the voltage into a temperature reading. The thermistor is also used to stabilize the readings by compensating for the temperature of the device itself.The sensor is designed with a fast response time, and the readings are stable and highly accurate, making it a very reliable tool. This ensures that the correct readings can be obtained, even when changes in temperature and relative humidity occur quickly or frequently.

Conclusion

The CR6221-150-20 is a specialized sensor from the CR622 series, which features various types of temperature and moisture sensors. Its highly sensitive and reliable design enables it to measure temperature and humidity accurately and quickly in a variety of applications. It can be used for temperature and humidity monitoring in warehouses, server rooms, greenhouses, and other industrial processes, as well as in home automation and automotive applications. Furthermore, it features a quick response time, a highly accurate thermistor, and a wide operating temperature range.

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