DFRobot Gravity SGP40 Air Quality Sensor


In stock

SKU: 1073439
  1. Power Supply: 3.3V~5V
  2. Operating Current: 2.6mA
  3. Preheat Time: 10S
  4. Response Time: 2S
  5. Communication: I2C


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Brand: DF Robot
Category: Gas and Dust Sensor

This is DFRobot Gravity SGP40 Air Quality Sensor.

The SGP40 Air Quality sensor adopts the new SGP40 digital VOC sensor chip launched by the well-known Sensirion. Based on the Sensirion’s CMOSens® technology, the SGP40 offers a complete sensor system on a single chip, a temperature-controlled micro-hotplate, and a humidity-compensated indoor air quality signal. In combination with Sensirion’s powerful VOC algorithm, the sensor signal can be directly used to evaluate indoor air quality. It features low power(2.6mA), fast response(2s), and small size. The data from the sensor can be directly used to evaluate air quality without calibration.

Integrated with an easy-to-connect Gravity interface, this Gravity SGP40 Air Quality sensor is very suitable for indoor projects that will be used for a long time, such as refitting air purifiers, kitchen hoods, etc. Besides, we provide you with C and Python libraries for use with different main controllers.


  1. Air Purifiers
  2. Kitchen Hoods
  3. Demand-controlled Ventilation
  4. Thermostats
  5. Indoor Air Quality Monitoring


  1. Ultra-low power consumption(2.6mA)
  2. Built-in temperature and humidity compensation, no need to calibrate
  3. VOC index for direct air quality indication

Useful Links:

Package Includes:

1 x Gravity: SGP40 Air Quality Sensor

1 x Gravity-4P I2C/UART Sensor Cable

SKU: 1073439 Category:
Input Voltage (V)


Current Consumption (mA)


Response Time


Interface Type


Operating Temperature (°C)

-10 to 50

Working Humidity Range


Detecting Range

0-1000 ppm

Length (mm):


Width (mm):


Shipping Weight 0.02 kg
Shipping Dimensions 6 × 4 × 2 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China