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HIH-4021-001
Introduction
HIH-4021-001 is a sensor belonging to the category of humidity sensors. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.
Basic Information Overview
- Category: Humidity Sensor
- Use: Measuring relative humidity in various applications
- Characteristics: High accuracy, low power consumption, small size
- Package: Surface-mount device (SMD)
- Essence: Accurate humidity measurement for environmental monitoring
- Packaging/Quantity: Typically available in reels of 1000 units
Specifications
- Operating Range: 0-100% RH
- Accuracy: ±2% RH
- Supply Voltage: 2.7V to 5.5V
- Current Consumption: 200 µA
- Output Signal: I2C digital output
Detailed Pin Configuration
The HIH-4021-001 sensor has four pins: 1. VDD: Power supply input 2. GND: Ground connection 3. SDA: I2C data line 4. SCL: I2C clock line
Functional Features
- Digital output for easy interfacing with microcontrollers
- Fast response time
- Low power consumption
- Excellent long-term stability
Advantages and Disadvantages
Advantages
- High accuracy
- Small form factor
- Low power consumption
- Easy integration with microcontrollers
Disadvantages
- Limited operating range
- Requires careful handling due to sensitivity
Working Principles
The HIH-4021-001 sensor utilizes a capacitive sensing element to measure relative humidity. Changes in humidity cause the capacitance of the sensing element to change, which is then converted into a digital output signal.
Detailed Application Field Plans
The HIH-4021-001 sensor finds applications in various fields, including: - HVAC systems - Weather stations - Industrial process control - Medical equipment - Automotive climate control
Detailed and Complete Alternative Models
Some alternative models to HIH-4021-001 include: - SHT21 - DHT22 - HDC1080 - BME280
In conclusion, the HIH-4021-001 humidity sensor offers high accuracy and low power consumption, making it suitable for a wide range of applications. Its compact size and digital output further enhance its usability in various electronic systems.
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What is HIH-4021-001?
- HIH-4021-001 is a humidity sensor designed for use in various technical solutions to measure relative humidity.
How does HIH-4021-001 work?
- The sensor uses a capacitive polymer film to measure changes in capacitance as the relative humidity of the surrounding environment changes.
What is the operating voltage range of HIH-4021-001?
- The operating voltage range is typically 4-5.8 volts DC.
What is the accuracy of HIH-4021-001?
- The accuracy of the sensor is typically within +/- 3% relative humidity.
Can HIH-4021-001 be used in outdoor applications?
- Yes, it can be used in outdoor applications, but it should be protected from direct exposure to water and extreme environmental conditions.
What is the output signal of HIH-4021-001?
- The sensor provides an analog output voltage that is proportional to the relative humidity.
Is calibration required for HIH-4021-001?
- The sensor is factory-calibrated, but periodic recalibration may be necessary for long-term accuracy.
What is the response time of HIH-4021-001?
- The response time is typically less than 10 seconds for a step change in humidity.
Can HIH-4021-001 be used in HVAC systems?
- Yes, it is commonly used in heating, ventilation, and air conditioning (HVAC) systems for humidity control.
What is the typical lifespan of HIH-4021-001?
- The sensor has a typical lifespan of several years when operated within its specified environmental and electrical limits.