Environmental Sensors

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DFRobot Air Quality Sensors The RS485 Fluorescence Dissolved Oxygen Sensor (Freshwater) provides a high-stability solution for measuring dissolved oxygen, designed specifically for freshwater environments. It operates on the principle of fluorescence quenching, an optical metho 3In Stock
25On Order
Min.: 1
Mult.: 1

Air Quality Sensors 10 VDC to 30 VDC
Amphenol SGX Sensortech Air Quality Sensors 10.6eV - 0-100ppm detection range, 25ppb resolution - CE Certified Sensors 2In Stock
Min.: 1
Mult.: 1

Air Quality Sensors
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

Air Quality Sensors 11.4 VDC to 25.2 VDC
Amphenol SGX Sensortech PSD4-UART-USB
Amphenol SGX Sensortech Air Quality Sensors PSD4-UART USB with 1m cable 3In Stock
Min.: 1
Mult.: 1

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

Air Quality Sensors 5 V to 24 V
Sensirion Board Mount Humidity Sensors Certified Digital Temperature and Humidity Sensor
Datasheet
3.439In Stock
Min.: 1
Mult.: 1
: 2.500

Board Mount Humidity Sensors
Amphenol SGX Sensortech Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Phosphine 2000ppm - UART
Datasheet
1In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 3.3 VDC to 5.5 VDC
Amphenol SGX Sensortech Air Quality Sensors PS1 Sockets Loose Reliable Mounting for Seamless Integration
Datasheet
1.020In Stock
Min.: 1
Mult.: 1

Air Quality Sensors
Amphenol SGX Sensortech Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen 50Kppm
Datasheet
1In Stock
4Expected 8/26/2026
Min.: 1
Mult.: 1

Air Quality Sensors
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Ammonia Digital Solid Polymer Sensor 100ppm
Datasheet
1In Stock
5Expected 7/29/2026
Min.: 1
Mult.: 1

Air Quality Sensors 3.3 V to 12 V
Amphenol SGX Sensortech Air Quality Sensors 4 Series Electrochemical Chlorine Dioxide 1ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 5 V
Amphenol SGX Sensortech Air Quality Sensors Thermal Conductivity H2+CO leak detection, With Clip
Datasheet
4In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 9 V to 36 V
Amphenol SGX Sensortech Air Quality Sensors PCB board level Hydrogen + Carbon Monoxide leak detection sensor - I2C Output
Datasheet
10In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 4.5 V to 5.5 V
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Ozone Digital Solid Polymer Sensor 100ppm
Datasheet
4In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 3.3 V to 12 V
Amphenol SGX Sensortech Air Quality Sensors ELECTROCHEMICAL 4-SERIES
Datasheet
3In Stock
Min.: 1
Mult.: 1

Air Quality Sensors
Amphenol SGX Sensortech Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen 50Kppm 3In Stock
Min.: 1
Mult.: 1

Air Quality Sensors
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Hydrogen Digital Solid Polymer Sensor 1000ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 3.3 V to 12 V
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 5ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 5 V
Amphenol SGX Sensortech Air Quality Sensors 4 Series Electrochemical Ozone sensor 5ppm
Datasheet
2In Stock
Min.: 1
Mult.: 1

Air Quality Sensors
Amphenol SGX Sensortech Air Quality Sensors ELECTROCHEMICAL 4-SERIES
Datasheet
2In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 2.5 V
Amphenol SGX Sensortech Air Quality Sensors Digital Infrared Gas Sensor - CO2 - Modbus RS485 5-24V
Datasheet
5In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 4.5 VDC to 30 VDC
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 100ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 5 V
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Digital Solid Polymer Sensor CO 1000ppm
Datasheet
4In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 3.3 V to 12 V
Amphenol SGX Sensortech Air Quality Sensors PSD4 Series Hydrogen Sulfide Digital Solid Polymer Sensor 100ppm
Datasheet
5In Stock
Min.: 1
Mult.: 1

Air Quality Sensors 3.3 V to 12 V
Amphenol SGX Sensortech Air Quality Sensors 4 Series Electrochemical Ethylene Sensor 100ppm
Datasheet
2In Stock
1On Order
Min.: 1
Mult.: 1

Air Quality Sensors 5 V