SparkFun Air Quality Sensor - SGP40 (Qwiic)

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Sparkfun ElectronicsSKU: RB-Spa-1967
Manufacturer #: SEN-18345

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Sale price £8.34 Regular price £16.67

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Description

  • SparkFun Air Quality Sensor - SGP40 (Qwiic)
  • Provides a measurement of the quality of the air
  • Based on Sensirions CMOSens technology
  • Qwiic compatible
  • Uses I2C interface
  • Operating voltage range: 1.7 - 3.6 V

The SparkFun Air Quality Sensor - SGP40 (Qwiic) is a digital gas sensor designed for easy integration into air purifiers or demand-controlled ventilation systems.

Sensirion’s CMOSens technology offers a complete, easy-to-use sensor system on a single chip featuring a digital I2C interface and a temperature-controlled micro hotplate, providing a humidity compensated VOC-based indoor air quality signal.

  • 1x SparkFun Air Quality Sensor - SGP40 (Qwiic)

Size

  • 1 x 1 inch (L x W)

Uses I2C interface (Qwiic-enabled)

  • I2C Address: 0x59
  • 2x Qwiic connectors

Operating voltage range

  • 1.7 - 3.6 V (Typ. 3.3 V)
  • The Qwiic interface provides 3.3 V

Typical current consumption

  • 2.6 mA during continuous operation (at 3.3 V)
  • 34µA when idle (heater off)

Output signal

  • Digital raw value (SRAW): 0 - 65535 ticks
  • Digital processed value (VOC Index): 0 - 500 VOC Index points

Switch-on behavior

  • Time until reliably detecting VOC events: <60s
  • Time until specifications are met: <1h

Recommended sampling interval

  • VOC Index: 1s
  • SRAW: 0.5s - 10s (Typ. 1s)

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