SGP40 air purity sensor - VOC - I2C - Waveshare 20168

Index: WSR-20099 EAN: 5904422352837
Air purity sensor manufactured by Waveshare. It has a built-in SGP40 chip introduced by the popular Sensirion company, with which it detects volatile organic compounds and measures VOC air quality in the range of 0 ppm to 1000 ppm. The sensor's output is a digital signal and the values are presented by VOC index readings - from 0 to 500. The air quality depends on the range the reading is in - the lower the VOC index value the cleaner the air. The module uses I2C communication interface.
SGP40 air purity sensor - VOC - I2C - Waveshare 20168
€16.25
€13.21 tax excl.
Waiting time: 4-6 weeks
Temporarily unavailable
30-day returns
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Manufacturer: Waveshare
Compatibility: Arduino Raspberry Pi

Product Description: SGP40 Air Cleanliness Sensor - VOC - I2C - Waveshare 20168

Air purity sensor manufactured by Waveshare. It has a built-in SGP40 chip introduced by the popular Sensirion company, so it detects volatile organic compounds and measures VOC air quality from 0 ppm to 1000 ppm. The sensor's output is a digital signal and the values are presented by VOC index readings - from 0 to 500. The air quality depends on the range the reading is in - the lower the VOC index value the cleaner the air. The module uses I2C communication interface.

W zestawie także dedykowany przewód połączeniowy.

It also comes with a dedicated connection cable.

Czujnik czystości powietrza SGP40 - VOC - I2C - Waveshare 20168
SGP40 Air Cleanliness Sensor - VOC - I2C - Waveshare 20168.

Special features of SGP40 sensor

  • Designed to detect volatile organic compounds.
  • Used for air quality monitoring, among other purposes.
  • It can be used to measure emissions from coal, natural gas, cigarette or kitchen smoke and emissions from construction work, white goods and then generate digital signals to run air treatment equipment.
  • It has humidity compensation and low heat dissipation, giving exceptional performance whatever the environment.

Kit contents

  • SGP40 Air Cleanliness Sensor - VOC - I2C - Waveshare 20168
  • Connection cable PH2.0 4PIN - 20 cm long

VOC index - ranges

  • 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: moderately polluted
  • 400 to 500 - air quality: very polluted
Interpretacja wskazań indeksu VOC.

Interpretation of VOC index readings.

Przykład połączenia czujnika z Raspberry Pi.

Example of sensor connection to Raspberry Pi.

Sensor pinout description

  • Green line - SCL - I2C interface clock line
  • Purple line - SDA - I2C interface data line
  • Black line - GND - Ground
  • Red line - VCC - power supply

Product is compatible with Arduino and Raspberry Pi.

Manufacturer provides detailed user guide which makes it easy to start working with the module.

Technical specification of the sensor

  • Type: gas sensor
  • Detection: VOC (volatile organic compounds)
  • Embedded chip: SGP40
  • Sensor output signal: digital
  • Communication interface: I2C bus
  • Interface address: 0x59
  • Measuring range:
    • VOC: from 0 ppm to 1000 ppm
    • VOC index value: 0 to 500
  • Response time: < 10 s
  • Turn-on time: < 60 s
  • Operating voltage: 3.3 V / 5 V
  • Module dimensions: 27 x 20 mm
  • Mounting hole diameter: 2 mm
Czujnik od Waveshare - widok z tyłu.

Sensor from Waveshare - rear view.

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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