Below is a list of sensors to consider for airquality measurements. This project includes software to support the ones marked in bold.
- SCD4x, Sensirion, SCD40, SCD41
- BME680, Bosch, Temp, Humidity 8s, Pressure, 1s VOC +/-15% IAQ output, AliExpress $12
- BME280, Bosch, Temp, Humidity, Pressure Aliexpresss $3
- BMP280, Pressure and Temp, $1
- MS8607
some CO2 sensors have humidity and temperature sensors built in.
- TMP102, Texas Instruments, 0.5C, -25-85C
- TMP117, Teaxs Instruments, 3C without calibration, -40-125C
- HTU21D
- AHT20
- SHTC3
- Si7021
- HIH6130
- MS5803-30BA, 14bar
- MS5803-14BA, 14bar
- MS5803-02BA, 2bar
- MS5803-01BA, 1bar
- MS5637-02BA, 2bar
- MS5637-30BA, 30bar
- BMP085
- BMP180
- SPS30, Sensirion Digikey $50
- SEN54, Sensirion, also measures tVOC, Temp, Hum $30
- SEN55, Sensirion, also measured tVOC, NOx, Temp, Hum, 35
- ZH03, Winzen, PM2.5, PM1 and PM10, 5V serial with fan
- ZH03A, ALiexpress $14.5
- ZH03B, AliExpress $13
- ZPH01, Winzen, PM2.5, VOC
- PMS503 GS, Plantower aliexpress $13
- GP2Y1010AU0F,Sharp, AliExpress $3.23
- PM2.5 with GP2Y... with display AliExpress $17.5
- SDS011, HAILANGNIAO, AliExpress $19
- HONEYWELL HPMA115S0-TIR l, $19
- HONEYWELL HPM,
- CCS811, TVOCs, eCO2, NTC option, burn in and run in, AliExpress $10
- SGP30, SENSIRION, TVOCs, eCO2, minimal run in, AliExpress $11
- SGP4x, Sensirion, tVOCS, SGP40 (HVAC) and SGP41 (air treatment)
- ExplorIR®-W CO2 Sensor, GSS 0-100 CO2, serial out, gaslabab.com $120
- Telaire T6613, Amphenol, 0-2000ppm CO2, i2c, Aliexpress $120
- MG812, Winzen, CO2 300-10000ppm, electrolyte, 5V analog in
- MD62, Winzen, CO2, 0-100%, thermal, full bridge
- MH-Z14, Winzen, CO2, 0-5% optical, 5V serial 3.3
- MH-Z14A, Winzen, CO2 0-5% +/- 50ppm 5V serial
- MH-Z19B, Winzen, CO2 0-2000ppm +/-50ppm, 5V serial, solderless pcb compatible
- MH-410D, Winzen, CO2 0-5% +/- 50ppm, 5V serial
- MHZ16, Winzen, CO2 0-5% +/-50ppm, 5V serial long tube
- SCD30, Sensirion, CO2, I2C
- SCD4x, Sensirion, CO2, SCD40 +/-50ppm, SCD41+/-40ppm, SCD42+/-75ppm
- MQ7 Hanwei, CO, 20-1000ppm, 5V, Ananlog in, cycling of supply voltage needed
- ME2-CO, Winzen, CO, 0-1000, external circuit needed
- ME3-CO, Winzen, CO, 0-1000ppm 0.5ppm, electronic circuit needed
- ME4-CO, Winzen, CO, 0-1000, external circuit needed
- MQ7B, Winzen, CO 10-500ppm, 5V analog, 60s heater time
- ME9B, Winzen, CO and Methane, 10-500ppm, 300-10000ppm, analog
- ZE03, Winzen, CO and many others
- AP-0005, Alphasense, 0-5000ppm electronic circuit needed, gaslabs $69 with mxboard $199
- EC4-500-CO, SGX Sensortech
- Alphasense, O2-A3, electrochemical, current output, gaslabs.com $60
- MQ-137, Amonia
- MQ-131, Ozone
- MQ-136, Hydrogen Sulfide
- MQ-2, Smoke
- MQ-9B, CO and CH4
- CL2, Chlorine
- SO2, Sulfur Dioxide
- NH3, Amonia
- NO, Nitric Oxide
- CO, Carbon Monoxide
- SGX, Oxygen
- H2S, Hydrogen Sulphide
- TGS8100, Figaro, airpollutant
- CDM7160, Figaro, CO2, 360-5000ppm +/-50ppm, 5V 10mA avg, I2C
- TGS5042, Figaro, CO, 0-10000ppm +/- 10ppm, output is current needs transimpedance amplifier
- FECS40-1000, Figaro CO, 0-1000 1ppm +/-2%
- MQ6 Hanwei, Propane, Butane, 200-10000ppm, 5V, Analog in
- MQ4 Hanwei, Methane, 200-10000ppm, 5V, Analog in
- MQ135, Winzen, Amonia, Benzene, Sufide, Hanwei, https://www.winsen-sensor.com/sensors/voc-sensor/mq135.html
- MQ138, Winzen, VOC, 5V analog in
- ME3-NH3, Winzen, Amonia
- MICS5524 sgxsensortech, CO 1-1000, Ethanol 10-500, Hydrogen 1-1000, Ammonia 1-500, Methane>1000, 32mA
- MQ3 Hanwei, similar to MICS5524, 140mA