GY-21 SI7021 High Precision Temperature and humidity sensor module

GY-21 SI7021 High Precision Temperature and humidity sensor module

11,800.00

Description:

The GY-21 SI7021 High Precision Temperature and Humidity Sensor Module features the SI7021 sensor, renowned for its high accuracy in measuring temperature and humidity. This module is ideal for environmental monitoring, weather stations, and HVAC systems, providing reliable and precise data.

Key Features:

  • High Accuracy: Precise temperature and humidity measurements.
  • Low Power Consumption: Energy-efficient operation for battery-powered applications.
  • Digital Output: I2C interface for easy integration with microcontrollers.
  • Compact Design: Small form factor for versatile applications.
  • Wide Operating Range: Suitable for various environmental conditions.

Technical Specifications:

  • Sensor: SI7021
  • Temperature Range: -40°C to +125°C
  • Humidity Range: 0% to 100% RH
  • Accuracy: ±0.4°C (temperature), ±3% RH (humidity)
  • Operating Voltage: 1.9V to 3.6V DC
  • Interface: I2C
  • Dimensions: Compact module size for easy integration
  • Weight: Lightweight design for minimal impact

Applications:

  • Environmental Monitoring: Measuring temperature and humidity for climate studies.
  • Weather Stations: Providing accurate weather data.
  • HVAC Systems: Monitoring and controlling indoor air quality.
  • Industrial Automation: Ensuring optimal conditions in manufacturing processes.
  • Home Automation: Integrating with smart home systems for climate control.

Datasheet:

For detailed technical information and specifications, please refer to the GY-21 SI7021 High Precision Temperature and Humidity Sensor Module Datasheet.

In stock

SKU: 1234 Categories: , , ,

The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, an analog-to-digital converter, signal processing, calibration data, and an I2C Interface. The patented use of industry-standard, low-K polymeric dielectrics for sensing humidity enables the construction of low-power, monolithic CMOS Sensor ICs with low drift and hysteresis, and excellent long term stability.

The humidity and temperature sensors are factory-calibrated and the calibration data is stored in the on-chip non-volatile memory. This ensures that the sensors are fully interchangeable, with no recalibration or software changes required.

The Si7021 is available in a 3×3 mm DFN package and is reflow solderable. It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3×3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption. The optional factory-installed cover offers a low profile, convenient means of protecting the sensor during assembly (e.g., reflow soldering) and throughout the life of the product, excluding liquids (hydrophobic/oleophobic) and particulates.

The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms.

 

Technical Specifications:

  • Supply Power 3-5v
  • Precision Relative Humidity Sensor: ± 3% RH (max), 0-80% RH
  • High Accuracy Temperature Sensor: ±0.4 °C (max), -10 to 85 °C
  • 0 to 100% RH operating range
  • Up to -40 to +125 °C operating range
  • Wide operating voltage (1.9 to 3.6 V)
  • Low Power Consumption 150 μA active current
  • 60 nA standby current
  • Factory-calibrated
  • I2C Interface
  • Integrated on-chip heater
  • 3×3 mm DFN Package
  • Excellent long term stability
  • Optional factory-installed cover
  • Low-profile
  • Protection during reflow
  • Excludes liquids and particulates

 

Applications:

HVAC/R

Thermostats/humidistats

Respiratory therapy

White goods

Indoor weather stations

Micro-environments/data centers

Automotive climate control and defogging

Asset and goods tracking

Mobile phones and tablets

Additional Information

Weight 0.011 kg
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