Gas & Air Quality Sensors
Gas sensors, air quality monitors, and environmental sensors — CO2 (SCD40/41), VOC (SGP30/40), particulate matter (PMSA003I), smoke, alcohol, and multi-gas sensors.
ZMOD4450 Refrigeration Air Quality Gas Sensor Module
SKU: SF-COM-21506 | Brand: SparkFun
The ZMOD4450 is a compact gas sensor module for detecting gases associated with food ripening or rotting. It is intended for refrigeration air quality (RAQ) applications such as food storage and shipping, including hu...
Delivered by Tue 10 Nov
Adafruit SCD-43 True CO2, Temperature & Humidity Sensor
SKU: AF-6512 | Brand: Adafruit
This compact breakout measures true ambient CO2 concentration using photoacoustic sensor technology, rather than estimating CO2 from VOC gas concentration. It reports CO2 in parts per million and also includes integra...
Delivered by Mon 23 Nov
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4867 | Brand: Adafruit
The Adafruit SCD-30 is a true NDIR (Non-Dispersive Infrared) CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. With an integrated...
Out of stock
Enviro + Air Quality for Raspberry Pi
SKU: PR-PIM458 | Brand: Little Bird
Monitor your world with Enviro and Enviro + Air Quality for Raspberry Pi! There's a whole bunch of fancy environmental sensors on these boards, and a gorgeous little full-colour LCD to display your data. They're th...
Out of stock
Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 & NH3) - I2C - MiCS-4514
SKU: DF-SEN0377 | Brand: DFRobot
This is a 3.3/5V compatible MEMS gas concentration sensor from DFRobot. This sensor supports the detection of various gas concentrations like CO, C2H5OH (Alcohol), H2, NO2, NH3, and integrates various gas c...
Out of stock
Analog CO/Combustible Gas Sensor(MQ9)
SKU: EC-SES90101S | Brand: Elecrow
The MQ-9 is an analog gas sensor module with high sensitivity to carbon monoxide (CO), methane, propane, and LPG. It uses an SnO2 sensing element that changes conductivity in the presence of target gases, making it su...
Out of stock
Pico Air Monitoring Expansion
SKU: SB-21819 | Brand: Little Bird
The Pico Air Monitoring Expansion is a HAT for Raspberry Pi Pico that measures suspended particulate matter (PM1.0, PM2.5, and PM10) in the air. It uses a PMSA003 digital laser dust sensor and includes an onboard 0.91...
Out of stock
Pico Enviro+ Pack
SKU: PR-PIM635 | Brand: Little Bird
The Pico Enviro+ Pack is a compact environmental monitoring add-on for the Raspberry Pi Pico and Pico W. Measuring just 61.5 × 31.5 mm, it packs a weather and gas sensor, light sensor, microphone, a 1.54" colour LCD, ...
Out of stock
Enviro pHAT
SKU: PR-PIM181 | Brand: Little Bird
Enviro pHAT packs 4 different sensors, letting you measure temperature, pressure, light level, colour, 3-axis motion, compass heading, and analog inputs. That's up to 10 different variables!It's ideal for monitoring c...
Out of stock
Grove - Alcohol Sensor
SKU: SS-101020044 | Brand: Seeed Studio
Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector. Specifications Power requirements: 5 VDC @ ~120 ...
Out of stock
Methane Gas Sensor MQ-4
SKU: PL-1633 | Brand: Pololu
This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. The sensor’s simple analog voltage interface re...
Out of stock
SparkFun Air Velocity Sensor Breakout - FS3000-1005 (Qwiic)
SKU: SF-SEN-18377 | Brand: SparkFun
Need to keep track of the airflow in your data center or around your servers? How about making sure your HVAC and air control systems are functioning at full capacity? Well, the new SparkFun FS3000-1005 Air Velocity S...
Out of stock
Enviro pHAT
SKU: PR-PIM203 | Brand: Little Bird
Enviro pHAT packs 4 different sensors, letting you measure temperature, pressure, light level, colour, 3-axis motion, compass heading, and analog inputs. That's up to 10 different variables! It's ideal for monitoring ...
Out of stock
Hydrogen Gas Sensor - MQ-8
SKU: SF-SEN-10916 | Brand: SparkFun
This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity an...
Out of stock