Gravity - Air Quality Sensor - SGP40 - DFRobot SEN0394

Index: DFR-19375 EAN: 5903351246279
Air quality sensor manufactured by DFRobot. It has a built-in SGP40 chip (introduced by the well-known Sensirion company), which measures the VOC air quality in the range from 0 ppm to 1000 ppm. The values are presented as VOC index readings - from 0 to 500. The air quality depends on what range the reading is in - the lower the VOC index value, the cleaner the air. The module uses I2C communication interface.
Gravity - Air Quality Sensor - SGP40 - DFRobot SEN0394
€15.17
€12.33 tax excl.
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Manufacturer: DFRobot
Compatibility: Arduino Raspberry Pi

Product description: Gravity - Air Quality Sensor - SGP40 - DFRobot SEN0394

Air qualitysensor produced by DFRobot. It has a built-inSGP40chip (introduced by the well-known company Sensirion), which measures the VOC air quality in the rangefrom 0 ppm to 1000 ppm. The values are presented as VOCindexreadings - from 0 to 500. The air quality depends on what range the reading is in - the lower the VOC index value, the cleaner the air. The module usesI2Ccommunication interface. The longer thesensoris used, the better its sensitivity and accuracy of trend and change. In an average environment (with potentially low air pollution), the sensor can obtain an accurate VOC index immediately after use. Conversely, in a heavily polluted environment, the sensor may obtain an accurate VOC indicator approximately 1 hour after activation.

Gravity - czujnik jakości powietrza - SGP40

Gravity - Air Quality Sensor - SGP40.

Product compatible with Arduino and Raspberry Pi

The manufacturer provides a detaileduser guidethat makes it significantly easier to get started with the module. It also provides libraries forArduino IDEandPythonenvironments.

W skład zestawu wchodzi także dedykowany przewód połączeniowy zgodny ze standardem Gravity.

The kit also includes a dedicated Gravity-compatible connection cable.

Feature overview

  • Very low current consumption - about 2.6 mA
  • Built-in temperature and humidity compensation, no calibration required
  • VOC indicator for direct indication of air quality
  • Use in applications such as air purifiers, kitchen hoods, thermostats, and indoor air quality monitoring systems

Kit contents

  • Gravity Air Quality Sensor - SGP40
  • Gravity connection cable

VOC index

  • from 0 to 100 - air quality: excellent
  • 100 to 200 - air quality: good
  • 200 to 300 - air quality: slightly polluted
  • 300 to 400 - air quality: slightly polluted
  • 400 to 500 - air quality: very polluted
Interpretacja wskazań indeksu VOC.

Interpretation of the VOC index readings.

Schemat połączenia czujnika od DFRobot z płytką będącą odpowiednikiem Arduino. Płytka nie jest częścią zestawu, można ją nabyć osobno.

Schematic of the connection of the DFRobot sensor to the Arduino equivalent circuit board. The board is not part of the kit, it can be purchased separately.

Pinout and connection diagram

The sensoris equipped with a connector compliant with the Gravity standard. Using this type of connector significantlysimplifiesandspeeds upthe process of connecting the sensor to the controller module - Raspberry Pi or Arduino and their boards. Connect the components according to the relationship:

  • VCC (+) - power supply from 3.3 V to 5 V
  • GND (-) - system ground
  • SCL (C) - I2C bus clock line
  • SDA (D) - I2C bus data line

Technical specification of the sensor

  • Type: air quality sensor
  • Embedded circuit: SGP40
  • Measurement range:
    • VOC: 0 ppm to 1000 ppm
    • VOC index: 0 to 500
  • Power supply: from 3.3 V to 5 V
  • Operating current: 2.6 mA
  • Start-up time: 10 s
  • Response time: 2 s
  • Communication interface: I2C bus
  • Interface address: 0x59
  • Operating temperature range: from -10°C to 50°C
  • Storage temperature range: from 5°C to 30°C
  • Working humidity range: from 0% to 90% RH
  • Dimensions: 20 x 22 mm
DFRobot - czujnik jakości powietrza.

DFRobot - Air quality sensor.

Voltage to 3.3 V
Voltage from 5.0 V
Interface I2C
Sensor - type air quality

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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