HIH9120-021-001S Sensors, Transducers

Series:	HumidIcon™, HIH-9000
Packaging:	Cut Strip
Part Status:	Obsolete
Sensor Type:	Humidity, Temperature
Humidity Range:	0 ~ 100% RH
Output Type:	I²C
Output:	14b
Accuracy:	±1.7% RH
Response Time:	8s
Sensitivity:	--
Voltage - Supply:	2.3 V ~ 5.5 V
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Package / Case:	4-SIP Module
Supplier Device Package:	4-SIP

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Humidity, Moisture Sensors

Humidity and moisture sensors, such as the HIH9120-021-001S, play an important role in everyday life to monitor, detect, and regulate the amount of humidity and moisture in locations. Such sensors have applications in many areas, ranging from industrial to agricultural, and from environmental to residential. Because of their versatility, hi-tech humidity and moisture sensors offer a number of advantages to various industries.

Applications of HIH9120-021-001S

HIH9120-021-001S is a popular humidity and moisture sensor with a wide array of applications, such as in HVAC systems, in the bathroom, in the kitchen, in basements, and in any other area where moisture and humidity levels need to be monitored and controlled. With its precise measuring capabilities and its small form factor, the HIH9120-021-001S is ideal for home automation applications, where it can be used to accurately and reliably measure the humidity and moisture content of the air and alert the user to any changes.In industrial settings, this sensor is commonly used in process control systems, as well as for measuring water level in tanks, and for humidifying or dehumidifying materials like wood, metals, and plastics. In many industrial processes, precise temperature and humidity control is required, and the HIH9120-021-001S can be used to achieve this.In agricultural and environmental settings, the HIH9120-021-001S finds its use in measuring soil humidity, controlling greenhouses, and managing water availability and irrigation. As a result, the sensor can be helpful in improving crop production and yield, and in ensuring the right environment conditions for livestock.In short, the HIH9120-021-001S sensor can be used in a variety of settings and for a wide range of applications.

Working Principle of HIH9120-021-001S

The HIH9120-021-001S humidity and moisture sensor is a capacitive type sensor. It is composed of two components—an internal sensor element and a printed circuit board. The internal sensor element, also known as a capacitor, consists of two electrodes—one covered in a special film and the other in a layer of humidity sensitive material.The humidity sensitive material consists of two layers—a conductive layer that is sensitive to humidity variations, and a dielectric layer that is electrically insulated. When the environment humidity levels change, the conductive layer expands and contracts, which causes the total capacity of the capacitor to change.The printed circuit board is used to measure the capacity change and convert it to an electrical signal, or a digital count. This is then sent to a microcontroller, where a digital word is generated. The digital word is then used to produce the humidity reading.High tech humidity and moisture sensors, such as the HIH9120-021-001S, are essential components of many types of devices and systems for measuring and controlling humidity and moisture levels in the surrounding environment. By precisely measuring the humidity and moisture content, this sensor can be used in a variety of applications to provide accurate and reliable readings in both residential and industrial settings.

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