Air Quality Sensors

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Qty. RoHS ECAD Model Type
Sensor Type
Measuring Range - Min
Measuring Range - Max
Accuracy
Output Type
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Series
DFRobot Air Quality Sensors RS485 Fluorescence Dissolved Oxygen Sensor (Freshwater) 20In Stock
16On Order
Min.: 1
Mult.: 1

Air Sensor Oxygen 5 % 10 VDC 30 VDC 0 C + 40 C
Amphenol SGX Sensortech Air Quality Sensors Digital Infrared Gas Sensor - R290 (Propane) - Modbus RS485 5-24V with 230V relay
Datasheet
18In Stock
Min.: 1
Mult.: 1

Integrated Infrared C3H8 2.1 % RS485 and Relay 11.4 VDC 25.2 VDC - 20 C + 75 C INIR7 series
Amphenol SGX Sensortech Air Quality Sensors 10.6eV - 0-100ppm detection range, 25ppb resolution - CE Certified Sensors 2In Stock
Min.: 1
Mult.: 1

PID VOC 0 PPM 100 PPM Analog PID Series
Amphenol SGX Sensortech PSD4-UART-USB
Amphenol SGX Sensortech Air Quality Sensors PSD4-UART USB with 1m cable 3In Stock
Min.: 1
Mult.: 1

Solid Polymer PSD4 Series
Dynament Air Quality Sensors Axiom UL60335-20-40 Certified Refrigerant Leak Detector R454B 4-20mA Output
Datasheet
41In Stock
Min.: 1
Mult.: 1

Gas Sensor Refrigeration Air Quality 3 % 5 V 24 V - 40 C + 75 C AXIOM
Amphenol SGX Sensortech Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen 50Kppm 3In Stock
Min.: 1
Mult.: 1

Solid Polymer 1-series Hydrogen 0 PPM 50000 PPM Analog PS1 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Hydrogen Digital Solid Polymer Sensor 1000ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Solid Polymer H2 0 PPM 1000 PPM 5 % UART 3.3 V 12 V - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 5ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Solid Polymer HCHO 0 PPM 5 PPM 5 % UART 3.3 VDC 12 VDC - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors 4 Series Electrochemical Ozone sensor 5ppm
Datasheet
2In Stock
Min.: 1
Mult.: 1

Electrochemical 4-series Ozone 0 PPM 5 PPM Analog - 20 C + 50 C Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors ELECTROCHEMICAL 4-SERIES
Datasheet
2In Stock
Min.: 1
Mult.: 1

Electrochemical 4-series Formaldehyde 0 PPM 50 PPM Analog - 200 C + 500 C Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors Thermal Conductivity H2+CO leak detection, With Clip
Datasheet
4In Stock
Min.: 1
Mult.: 1

Thermal Conductivity H2 leak detection Hydrogen + Carbon Monoxide 0 % 16 % 0.4 % CAN 9 V 36 V - 40 C + 85 C BLD2
Amphenol SGX Sensortech Air Quality Sensors PCB board level Hydrogen + Carbon Monoxide leak detection sensor - I2C Output
Datasheet
10In Stock
Min.: 1
Mult.: 1

Hydrogen (H2) / Carbon Monoxide (CO) 4.5 V 5.5 V - 40 C + 85 C BLD2
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Nitrogen Dioxide Digital Solid Polymer Sensor 50ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Solid Polymer NO2 0 PPM 50 PPM 5 % UART 3.3 V 12 V - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Ozone Digital Solid Polymer Sensor 100ppm
Datasheet
4In Stock
Min.: 1
Mult.: 1

Solid Polymer O3 0 PPM 100 PPM 5 % UART 3.3 V 12 V - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors ELECTROCHEMICAL 4-SERIES
Datasheet
3In Stock
Min.: 1
Mult.: 1

Electrochemical 4-series Phosphine 0 PPM 20 PPM Analog - 20 C + 50 C Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors Digital Infrared Gas Sensor - CO2 - Modbus RS485 5-24V
Datasheet
5In Stock
Min.: 1
Mult.: 1

Infrared - Digital Carbon Dioxide (CO2) RS485 4.5 VDC 30 VDC - 40 C + 70 C INIR7 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 100ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Solid Polymer HCHO 0 PPM 100 PPM 5 % UART 3.3 VDC 12 VDC - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Oxygen Digital Solid Polymer Sensor 0-25%
Datasheet
3In Stock
1Expected 20/08/2026
Min.: 1
Mult.: 1

Solid Polymer O2 0 % 25 % 5 % UART 3.3 VDC 12 VDC - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Digital Solid Polymer Sensor CO 1000ppm
Datasheet
4In Stock
Min.: 1
Mult.: 1

Solid Polymer CO 0 PPM 1000 PPM 5 % UART 3.3 V 12 V - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Hydrogen Sulfide Digital Solid Polymer Sensor 100ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Solid Polymer H2S 0 PPM 100 PPM 5 % UART 3.3 V 12 V - 40 C + 55 C PSD4 Series
Amphenol SGX Sensortech Air Quality Sensors ELECTROCHEMICAL 4-SERIES 3In Stock
Min.: 1
Mult.: 1

Electrochemical 4-series Acetylene 0 PPM 100 PPM Analog Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors 4 Series Electrochemical Ethylene Sensor 100ppm
Datasheet
2In Stock
1On Order
Min.: 1
Mult.: 1

Electrochemical 4-series Ethylene 0 PPM 100 PPM Analog - 20 C + 50 C Electro-Chemical
Amphenol SGX Sensortech Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Phosphine 2000ppm - UART
Datasheet
1In Stock
Min.: 1
Mult.: 1

Solid Polymer Module 1-series Phosphine 0 PPM 2000 PPM 5 % UART 3.3 VDC 5.5 VDC - 10 C + 55 C PS1 -Modules
Amphenol SGX Sensortech Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen 50Kppm
Datasheet
1In Stock
4Expected 26/08/2026
Min.: 1
Mult.: 1

Solid Polymer 4-series Hydrogen 0 PPM 50000 PPM Analog PS4 Series
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Ammonia Digital Solid Polymer Sensor 100ppm
Datasheet
6In Stock
Min.: 1
Mult.: 1

Solid Polymer NH3 0 PPM 100 PPM 5 % UART 3.3 V 12 V - 40 C + 55 C PSD4 Series