GY-21 Si7021 Industrial Humidity Sensor with I2C Interface

Enhance your environmental monitoring projects with this Precision Relative Humidity Sensor featuring a high accuracy Temperature Sensor.

Key Features:

• Relative Humidity Sensor with ±3% RH accuracy within 0–80% RH range
• Temperature Sensor with ±0.4°C accuracy within -10 to 85°C range
• Wide operating range: 0 to 100% RH and -40 to +125°C
• Operates at a voltage range of 1.9 to 3.6V
• Low power consumption with 150μA active current and 60nA standby current
• Factory-calibrated for immediate use
• Equipped with an I2C interface for seamless integration
• Includes an on-chip heater for enhanced functionality
• Compact 3x3mm DFN Package with a low-profile design
• Ensures excellent long-term stability and accuracy
• Optional factory-installed cover for added protection
• Suitable for HVAC/R, thermostats/humidistats, respiratory therapy, white goods, indoor weather stations, micro-environments/data centers, automotive climate control, asset tracking, and mobile devices

Applications:

• HVAC/R systems
• Thermostats and humidistats
• Respiratory therapy equipment
• White goods appliances
• Indoor weather stations
• Data centers and micro-environments
• Automotive climate control and defogging systems
• Asset and goods tracking solutions
• Integration in mobile phones and tablets

Size: 1.3 x 1cm (0.51 x 0.39 inches)

This sensor offers reliable and precise environmental data collection for a wide range of applications, ensuring accurate monitoring and control in various settings.