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Environmental Sensors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Interface Type	Operating Supply Voltage
Air Quality Sensors 10.6eV - 0-10000ppm detection range, 2ppm resolution - ATEX and IECEx Certified Sensors PID-10.6eV-10K-C Amphenol SGX Sensortech 1: $652.90 1In Stock New Product	Mfr. Part No. PID-10.6eV-10K-C Mouser Part No 523-PID-10.6EV-10K-C New Product	Amphenol SGX Sensortech	Air Quality Sensors 10.6eV - 0-10000ppm detection range, 2ppm resolution - ATEX and IECEx Certified Sensors		1In Stock	$652.90 $533.13 $520.80 Quote Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors Solid Polymer SMART Hydrogen Sulfide gas sensor probe - 4-20mA and Modbus RTU RS485 - 5000ppm PS-SMART-H2S-5000 Amphenol SGX Sensortech 1: $670.21 2In Stock New Product	Mfr. Part No. PS-SMART-H2S-5000 Mouser Part No 523-PS-SMART-H2S5000 New Product	Amphenol SGX Sensortech	Air Quality Sensors Solid Polymer SMART Hydrogen Sulfide gas sensor probe - 4-20mA and Modbus RTU RS485 - 5000ppm	Datasheet	2In Stock	$670.21 $606.91 $597.80 Quote Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors SST Sensing O2S-FR-T2-18A-003 O2S-FR-T2-18A-003 SST Sensing 1: $374.29 2In Stock New At Mouser	Mfr. Part No. O2S-FR-T2-18A-003 Mouser Part No 231-O2SFRT218A003 New At Mouser	SST Sensing	Air Quality Sensors	Datasheet	2In Stock	$374.29 $315.77 $300.12 Quote Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 100ppm PSD4-HCHO-100 Amphenol SGX Sensortech 1: $221.74 5In Stock New Product	Mfr. Part No. PSD4-HCHO-100 Mouser Part No 523-PSD4-HCHO-100 New Product	Amphenol SGX Sensortech	Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 100ppm	Datasheet	5In Stock	$221.74 $183.40 $170.81 $167.65 View $165.88 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		5 V
Air Quality Sensors PCB board level Hydrogen leak detection sensor - I2C Output BLD1-I2C-Compact Amphenol SGX Sensortech 1: $43.30 6In Stock 20Expected 10/12/2026 New Product	Mfr. Part No. BLD1-I2C-Compact Mouser Part No 523-BLD1-I2C-COMPACT New Product	Amphenol SGX Sensortech	Air Quality Sensors PCB board level Hydrogen leak detection sensor - I2C Output Learn More about Amphenol SGX Sensortech amphenol trdu sensors	Datasheet	6In Stock 20Expected 10/12/2026	$43.30 $36.51 $33.94 $30.81 View $30.02 $29.16 Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors PSD4 Series Digital Solid Polymer Sensor CO 1000ppm PSD4-CO-1000 Amphenol SGX Sensortech 1: $198.42 3In Stock New Product	Mfr. Part No. PSD4-CO-1000 Mouser Part No 523-PSD4-CO-1000 New Product	Amphenol SGX Sensortech	Air Quality Sensors PSD4 Series Digital Solid Polymer Sensor CO 1000ppm	Datasheet	3In Stock	$198.42 $164.48 $156.48 $153.84 View $151.75 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		3.3 V to 12 V
Air Quality Sensors ELECTROCHEMICAL 4-SERIES SGX-C2H2-100 Amphenol SGX Sensortech 1: $186.87 3In Stock New Product	Mfr. Part No. SGX-C2H2-100 Mouser Part No 523-SGX-C2H2-100 New Product	Amphenol SGX Sensortech	Air Quality Sensors ELECTROCHEMICAL 4-SERIES		3In Stock	$186.87 $154.62 $151.11 View Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors PSD4 Series Nitrogen Dioxide Digital Solid Polymer Sensor 50ppm PSD4-NO2-50 Amphenol SGX Sensortech 1: $264.84 5In Stock New Product	Mfr. Part No. PSD4-NO2-50 Mouser Part No 523-PSD4-NO2-50 New Product	Amphenol SGX Sensortech	Air Quality Sensors PSD4 Series Nitrogen Dioxide Digital Solid Polymer Sensor 50ppm	Datasheet	5In Stock	$264.84 $223.45 $209.11 $204.96 View $202.38 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		3.3 V to 12 V
Air Quality Sensors PSD4 Series Ozone Digital Solid Polymer Sensor 100ppm PSD4-O3-100 Amphenol SGX Sensortech 1: $264.84 3In Stock New Product	Mfr. Part No. PSD4-O3-100 Mouser Part No 523-PSD4-O3-100 New Product	Amphenol SGX Sensortech	Air Quality Sensors PSD4 Series Ozone Digital Solid Polymer Sensor 100ppm	Datasheet	3In Stock	$264.84 $216.41 $207.26 $203.15 View $200.60 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		3.3 V to 12 V
Air Quality Sensors ELECTROCHEMICAL 4-SERIES SGX-PH3-20 Amphenol SGX Sensortech 1: $122.43 3In Stock New Product	Mfr. Part No. SGX-PH3-20 Mouser Part No 523-SGX-PH3-20 New Product	Amphenol SGX Sensortech	Air Quality Sensors ELECTROCHEMICAL 4-SERIES	Datasheet	3In Stock	$122.43 $98.65 $98.16 $87.13 View Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors Thermal Conductivity H2+CO leak detection, With Clip SGX-BLD2C-24V Amphenol SGX Sensortech 1: $59.67 4In Stock New Product	Mfr. Part No. SGX-BLD2C-24V Mouser Part No 523-SGX-BLD2C-24V New Product	Amphenol SGX Sensortech	Air Quality Sensors Thermal Conductivity H2+CO leak detection, With Clip Learn More about Amphenol SGX Sensortech amphenol trdu sensors	Datasheet	4In Stock	$59.67 $47.40 $47.09 $41.40 View Quote	Min.: 1 Mult.: 1	Air Quality Sensors		9 V to 36 V
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen 50Kppm PS1-H2-50K Amphenol SGX Sensortech 1: $168.53 3In Stock New Product	Mfr. Part No. PS1-H2-50K Mouser Part No 523-PS1-H2-50K New Product	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen 50Kppm	Datasheet	3In Stock	$168.53 $135.61 $124.66 $120.40 View $118.97 $113.29 Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 5ppm PSD4-HCHO-5 Amphenol SGX Sensortech 1: $285.23 5In Stock New Product	Mfr. Part No. PSD4-HCHO-5 Mouser Part No 523-PSD4-HCHO-5 New Product	Amphenol SGX Sensortech	Air Quality Sensors PSD4 Series Formaldehyde Digital Solid Polymer Sensor 5ppm	Datasheet	5In Stock	$285.23 $242.76 $222.71 $216.38 View $215.76 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		5 V
Air Quality Sensors 4 Series Electrochemical Ozone sensor 5ppm SGX-4O3-5 Amphenol SGX Sensortech 1: $112.62 2In Stock New Product	Mfr. Part No. SGX-4O3-5 Mouser Part No 523-SGX-4O3-5 New Product	Amphenol SGX Sensortech	Air Quality Sensors 4 Series Electrochemical Ozone sensor 5ppm Learn More about Amphenol SGX Sensortech sgx 4x sensors	Datasheet	2In Stock	$112.62 $91.51 $87.67 $84.03 View $83.09 $81.35 Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Board Mount Humidity Sensors I.C 21DF RH/T DIGITAL MODULE HTU21D TE Connectivity / Measurement Specialties 1: $9.27 4,775In Stock	Mfr. Part No. HTU21D Mouser Part No 824-HTU21D	TE Connectivity / Measurement Specialties	Board Mount Humidity Sensors I.C 21DF RH/T DIGITAL MODULE Learn More about TE Connectivity / Measurement Specialties measurement specialties HTU21D	Datasheet	4,775In Stock	Cut Tape $9.27 $7.83 $7.27 $6.14 Reel $5.27 View $5.14 $4.93 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400	Board Mount Humidity Sensors	I2C
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen 50Kppm PS4-H2-50K Amphenol SGX Sensortech 1: $250.47 5In Stock New Product	Mfr. Part No. PS4-H2-50K Mouser Part No 523-PS4-H2-50K New Product	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen 50Kppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	5In Stock	$250.47 $213.44 $189.28 $185.41 View $183.44 Quote	Min.: 1 Mult.: 1	Air Quality Sensors
Air Quality Sensors PSD4 Series Ammonia Digital Solid Polymer Sensor 100ppm PSD4-NH3-100 Amphenol SGX Sensortech 1: $217.39 5Expected 24/12/2026 New Product	Mfr. Part No. PSD4-NH3-100 Mouser Part No 523-PSD4-NH3-100 New Product	Amphenol SGX Sensortech	Air Quality Sensors PSD4 Series Ammonia Digital Solid Polymer Sensor 100ppm	Datasheet	5Expected 24/12/2026	$217.39 $179.23 $170.97 $168.10 View $165.82 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		3.3 V to 12 V
Air Quality Sensors 4 Series Electrochemical Chlorine Dioxide 1ppm SGX-CLO2-1 Amphenol SGX Sensortech 1: $122.43 5In Stock New Product	Mfr. Part No. SGX-CLO2-1 Mouser Part No 523-SGX-CLO2-1 New Product	Amphenol SGX Sensortech	Air Quality Sensors 4 Series Electrochemical Chlorine Dioxide 1ppm Learn More about Amphenol SGX Sensortech ec4 sensors	Datasheet	5In Stock	$122.43 $106.15 $98.65 $96.97 View $96.27 $88.87 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		5 V
Board Mount Humidity Sensors RH/ T Sensor, Automotive certified SHT31A-DIS-B10kS Sensirion 1: $6.00 4,062In Stock	Mfr. Part No. SHT31A-DIS-B10kS Mouser Part No 403-SHT31ADIS-B10KS	Sensirion	Board Mount Humidity Sensors RH/ T Sensor, Automotive certified Learn More about Sensirion sht3xa automotive sensors	Datasheet	4,062In Stock	Cut Tape $6.00 $5.40 $4.90 $4.72 View Reel $3.74 $4.55 $4.22 $4.13 $4.01 $3.74 $3.74	Min.: 1 Mult.: 1 : 10,000	Board Mount Humidity Sensors	I2C
Board Mount Humidity Sensors Automotive-grade, +/-3%RH/+/-0.3C, 4th generation, humidity and temperature sensor with PWM Interface SHT40A-FD1B-R2 Sensirion 1: $3.46 4,330In Stock	Mfr. Part No. SHT40A-FD1B-R2 Mouser Part No 403-SHT40A-FD1B-R2	Sensirion	Board Mount Humidity Sensors Automotive-grade, +/-3%RH/+/-0.3C, 4th generation, humidity and temperature sensor with PWM Interface	Datasheet	4,330In Stock	Cut Tape $3.46 $3.02 $2.82 $2.44 Reel $1.80 View $2.26 $2.04 $1.96 $1.79 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Board Mount Humidity Sensors	I2C
Air Quality Sensors MOX Sensor SGP40-D-R4 Sensirion 1: $7.65 15,163In Stock	Mfr. Part No. SGP40-D-R4 Mouser Part No 403-SGP40-D-R4	Sensirion	Air Quality Sensors MOX Sensor Learn More about Sensirion sgp40 air quality sensors	Datasheet	15,163In Stock	Cut Tape $7.65 $6.90 $6.29 $6.06 View Reel $4.84 $5.76 $5.41 $5.35 $4.84 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Air Quality Sensors		3.3 V
Humidity Sensors - Industrial Humid&TempProbe 1m cable 5V T9602-5-D-1 Amphenol Advanced Sensors 1: $46.69 347In Stock	Mfr. Part No. T9602-5-D-1 Mouser Part No 527-T9602-5-D-1	Amphenol Advanced Sensors	Humidity Sensors - Industrial Humid&TempProbe 1m cable 5V Learn More about Amphenol Advanced Sensors amphenol t9602 sensors	Datasheet	347In Stock	$46.69 $44.62 $43.23 $41.31 View $40.49 $38.28 Quote	Min.: 1 Mult.: 1	Industrial Humidity Sensors	I2C	5 V
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Phosphine 2000ppm - UART PS1-PH3-2000-MOD Amphenol SGX Sensortech 1: $282.05 1In Stock New Product	Mfr. Part No. PS1-PH3-2000-MOD Mouser Part No 523-PS1-PH3-2000-MOD New Product	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Phosphine 2000ppm - UART	Datasheet	1In Stock	$282.05 $228.67 $219.23 $213.34 View $212.65 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		3.3 VDC to 5.5 VDC
Air Quality Sensors Ammonia Pellistor Pair, 2V/100mA VQ41TSB Amphenol SGX Sensortech 1: $87.50 19In Stock	Mfr. Part No. VQ41TSB Mouser Part No 523-VQ41TSB	Amphenol SGX Sensortech	Air Quality Sensors Ammonia Pellistor Pair, 2V/100mA Learn More about Amphenol SGX Sensortech pellistor vq	Datasheet	19In Stock	$87.50 $82.96 $74.97 $74.03 View $73.35 $69.86 Quote	Min.: 1 Mult.: 1	Air Quality Sensors		2 V
Humidity Sensors - Industrial Wet Bulb Transmitter Open Air HUMI-WB-XR-O Amphenol Advanced Sensors 1: $389.16 4In Stock	Mfr. Part No. HUMI-WB-XR-O Mouser Part No 527-HUMI-WB-XR-O	Amphenol Advanced Sensors	Humidity Sensors - Industrial Wet Bulb Transmitter Open Air	Datasheet	4In Stock	$389.16 $372.54 $354.60	Min.: 1 Mult.: 1	Industrial Humidity Sensors