HPP845E131R4 Sensors, Transducers

Series:	HTU
Packaging:	Tape & Reel (TR)
Part Status:	Active
Sensor Type:	Humidity, Temperature
Humidity Range:	0 ~ 100% RH
Output Type:	I²C
Output:	12b
Accuracy:	±3% RH
Response Time:	5s
Sensitivity:	--
Voltage - Supply:	1.5 V ~ 3.6 V
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Package / Case:	6-VDFN Exposed Pad
Supplier Device Package:	6-DFN (3x3)

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Humidity Sensors

Humidity sensors are devices designed to measure the amount of moisture in the environment. Humidity sensors are often used in a variety of applications such as industrial, commercial and residential applications. They measure the relative humidity of an environment, which is a measure of the amount of water vapor in the air.The most popular type of humidity sensor is the capacitive humidity sensor. These sensors provide good accuracy and are durable and cost-effective. There are also other types of humidity sensors like thermistor and resistive humidity sensors, but they are less accurate and cost more.

HPP845E131R4

The HPP845E131R4 is a capacitive humidity sensor manufactured by Honeywell. It is a dedicated humidity sensor for reliable, cost-effective humidity control. It is designed for use in a variety of industrial, commercial, and residential applications. It is a low-power, single-wire digital humidity sensor that is calibrated to 1% accuracy over 5 temperature ranges.This sensor uses Honeywell’s proprietary Field Sensing Technology, which is designed to deliver reliable and accurate data even in harsh environments. It also has extended life when compared to other types of humidity sensors.

HPP845E131R4 Application Field and Working Principle

The HPP845E131R4 is designed for use in a variety of industrial, commercial, and residential applications. These applications include air conditioning systems, dehumidifiers and humidifiers, environmental monitoring, process control, medical instrument calibration, and many more.The working principle of the HPP845E131R4 is based on the capacitive method of sensing moisture. It uses an ceramic capacitor that is exposed to the air and measures the relative humidity. The measured resistance of the capacitor is then translated into a digital signal and sent to the microcontroller for processing. The microcontroller uses a series of algorithms to convert the signals into a humidity value that can be read by the user. The accuracy of these measurements is 1% over 5 temperature ranges. Additionally, the sensor can be used in extreme environments with up to 95% RH and temperatures of -30°C to +85°C.The HPP845E131R4 also offers a variety of other features such as an operating voltage range of 2.7V to 3.6V, a sleep mode that allows the device to enter a low power state in order to extend battery life, and an autoshutdown mode that shuts down the device after a predetermined amount of time to conserve power.Overall, the HPP845E131R4 is a reliable, cost-effective, and accurate humidity sensor that is suitable for a wide range of applications. Its robust design and durable construction make it a great choice for any application requiring humidity sensing.

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