HPP809A031

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensor Type:	Humidity, Temperature
Humidity Range:	1 ~ 99% RH
Output Type:	Analog Voltage
Output:	2.48V @ 55%RH
Accuracy:	±3% RH
Response Time:	5s
Sensitivity:	26mV/%RH
Voltage - Supply:	4.75 V ~ 5.25 V
Mounting Type:	User Defined
Operating Temperature:	-40°C ~ 85°C
Package / Case:	Probe
Supplier Device Package:	--

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Humidity, Moisture Sensors – HPP809A031 application Field and Working Principle

Humidity and moisture sensors are an essential part of modern industrial and commercial settings. These devices are used to measure the level of humidity and moisture in the environment, and are invaluable tools for controlling and monitoring temperature and humidity-sensitive systems. The HP809A031 is a humidity and moisture sensor specifically designed for use in HVAC (heating, ventilation, and air conditioning) systems.The HP809A031 is a low power intermittent-use humidity sensor with an integrated temperature sensor and a 1kHz sampling rate. It is designed to measure the relative humidity range of 0 – 100% RH (relative humidity) with a resolution of 0.2%. The device uses a capacitive sensing element to detect the level of humidity and the integrated temperature sensor measures the ambient temperature to generate an accurate relative humidity value. The device also has an analog output and a single-pole double-throw (SPDT) external relay output to provide indication of temperature and humidity levels in the environment.The operating principle of the HP809A031 is based on the fact that the capacitance of a capacitor is inversely proportional to the relative humidity. The capacitance of a capacitor is directly proportional to the air gap between the two plates of the capacitor. When the air gap decreases, the capacitance of the capacitor increases. The HP809A031 measures the changing capacitance of the capacitor, which is inversely proportional to the relative humidity. The integrated temperature sensor is used to adjust the output of the relative humidity measurements to account for the changing temperature-related errors.The HP809A031 can be used in a wide variety of commercial and industrial applications, including HVAC systems, food storage, medical, and environmental/meteorological systems. The device has a wide range of features to ensure accurate and precise measurements, such as a temperature compensation feature and auto-zero correction. Additionally, the HP809A031 has adjustable hysteresis (dead-band), input noise filtering, high temperature compensation, and a range of other advanced features.Overall, the HP809A031 is an ideal device for use in industrial and commercial environments. Its low power consumption, accurate and reliable measurements, and array of advanced features make it an ideal choice for temperature and humidity monitoring. With its extended temperature range and ability to integrate with other control and monitoring systems, the HP809A031 is a great value for money device and a reliable choice for many applications.

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