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7Semi SHT40 SGP40 VOC Air Quality Sensor Breakout Qwiic Compatible


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₹1,357.00 inc. GST
₹1,150.00 ex. GST
Monitor air you breathe! 7Semi's 2-in-1 sensor detects temp, humidity & harmful VOCs. Easy Qwiic connect for DIY air quality projects View full description
₹1,357.00 inc. GST
₹1,150.00 ex. GST
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Monitor Air Quality with Precision: The 7Semi SHT40 SGP40 VOC Air Quality Sensor Breakout

Ensure a Healthy Environment
The 7Semi SHT40 SGP40 VOC Air Quality Sensor Breakout offers a comprehensive solution for monitoring air quality. This advanced sensor breakout board incorporates cutting-edge technology to deliver precise and dependable measurements of temperature, humidity, and volatile organic compounds (VOCs) within your environment.
High-Precision Temperature & Humidity Sensing
The integrated SHT40 sensor boasts exceptional precision for temperature and humidity detection. Experience fast response times and minimal power consumption. This sensor offers a wide measurement range, accurately detecting temperatures from -40°C to 125°C (±0.2°C accuracy) and relative humidity from 0% to 100% (±1.8% accuracy).
Reliable VOC Detection
Beyond temperature and humidity, the SGP40 VOC sensor on this breakout board empowers you to monitor airborne volatile organic compounds. This sensor is specifically designed to detect a broad spectrum of VOCs, including ethanol, acetone, and formaldehyde, with high accuracy and sensitivity. Gain reliable insights into the overall air quality of your environment.
Unmatched Accuracy and Reliability:
  • High-precision SHT40 sensor: Measures temperature (-40°C to 125°C) with ±0.2°C accuracy and humidity (0% to 100%) with ±1.8% accuracy for dependable data in any condition.
  • Advanced SGP40 VOC sensor: Detects a wide range of VOCs, including ethanol, acetone, and formaldehyde, with high accuracy and sensitivity for trustworthy air quality insights.
Seamless Integration:
  • Qwiic compatibility: Effortlessly connect to any microcontroller or single-board computer supporting the I2C interface for hassle-free project integration.
  • Multiple I2C addresses: The I2C interface offers a selection of preconfigured addresses, simplifying setup.
  • Low power consumption: Maintain a low power budget for extended deployments.
Ideal for Various Applications:
  • Maintain optimal air quality in homes and workplaces.
  • Monitor industrial environments for VOC presence.
  • Integrate air quality data into your IoT projects.
Invest in Clean Air, Invest in Your Wellbeing
Key Features:
  • Precise SHT40 temperature & humidity sensor
  • SGP40 sensor for VOC detection
  • Qwiic compatible for effortless integration
  • I2C interface with multiple addresses
  • Low power consumption

Board Dimensions

Arduino I2C Connection Diagram

VOC Sensing for Better Indoor Air Quality

The Air Quality Sensor Breakout Qwiic Compatible is a powerful device designed to measure the quality of air in a particular environment. The sensor measures the levels of different gases in the air, including carbon monoxide, nitrogen dioxide, and ozone. The breakout board is compact and easy to use, with a Qwiic connector that allows for fast and simple integration with other Qwiic-compatible boards. With this sensor, users can obtain real-time readings of air quality, enabling them to take measures to improve the air quality in their homes, offices, or other environments. Overall, the Air Quality Sensor Breakout Qwiic Compatible is a valuable tool for anyone concerned about air quality and looking to take action to improve it.

Technical Specifications

Supply Voltage:
3.3 / 5 V
Current Consumption:
2.6 to 3.5 mA
Measurement Range:
0 to 1,000 ppm of ethanol equivalents
Sensor Output:
Digital 16-bit raw signal
Processed Output:
Digital VOC Index signal
Response Time:
< 10 s (tau 63 %)
Limit of Detection:
< 0.05 ppm of ethanol equivalents or < 10% of concentration setpoint
Switch-on Time:
< 60 s
RH Operating Range:
0~100% RH
RH Response Time:
6 sec (tau63%)

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

    1 Reviews

  • Posted by Kavish Toor on 10th Feb 2023


    great quality

    I am using it for a project where I need a VOC sensor and I have no complaints so far. I am using it with the Arduino and I am in the process of getting it working properly.