ENS160 AHT21 Carbon Dioxide CO2 TVOC Air Quality Temperature & Humidity Sensor

The ENS160 and AHT21 module combines the ENS160 gas sensor with the AHT21 temperature and humidity sensor to measure air quality parameters, including CO2 equivalents (eCO2), Total Volatile Organic Compounds (TVOC), temperature, and humidity.

Specification

• Manufacturer: ScioSense
• Purpose: Air quality monitoring for indoor applications.
• Sensing Capabilities:
  • CO2 Equivalent (eCO2): Estimated CO2 levels based on volatile organic compound (VOC) concentrations.
  • TVOC: Measures total volatile organic compound levels in the environment.
  • IAQ (Indoor Air Quality) Index: An air quality index value is provided.
• Technology:
  • Based on MOX (Metal Oxide Semiconductor) technology with advanced signal processing.
  • Integrated microcontroller for processing sensor readings.
• Output:
  • I²C and SPI communication interfaces.
  • Configurable interrupt signal for threshold alerts.
• Power Requirements:
  • Supply Voltage: 3.3V – 5.0V.
  • Low-power modes are available for energy-efficient operation.
• Operating Conditions:
  • Temperature: -40°C to +85°C.
  • Humidity: 10% to 95% RH (non-condensing).
• Calibration:
  • Pre-calibrated at the factory.
  • The self-calibration algorithm adapts to the environment over time.
• Applications:
  • HVAC systems.
  • Smart home devices.
  • Indoor air quality monitoring.
  • Automotive air control.