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Solid Polymer Electrochemical Gas Sensors

Amphenol SGX Sensortech Solid Polymer Electrochemical Gas Sensors are designed to detect a wide range of gases, including carbon monoxide, chlorine, and volatile organic compounds (VOCs), as well as humidity and particulates. These sensors are based on the principle of electrochemical catalytic reaction. The sensor responds to the target gas and delivers a very small current proportional to the gas concentration. The series utilizes a dry core design featuring three electrodes in contact with the solid electrochemical material. A typical electrode consists of a surface area of precious metal and other materials. The electrode, electrochemical cell, and surrounding air are in contact, allowing the gas to diffuse through the porous membrane into the sensor's working electrode. At this working electrode, the gas is oxidized or reduced.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen 50Kppm PS4-H2-50K Amphenol SGX Sensortech 1: HK$1,676.39 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	HK$1,676.39 HK$1,675.98 HK$1,520.37 HK$1,489.63 View HK$1,484.94 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor VOC 200ppm PS4-VOC-200 Amphenol SGX Sensortech 1: HK$1,110.19 18In Stock	Mfr. Part No. PS4-VOC-200 Mouser Part No 523-PS4-VOC-200	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor VOC 200ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	18In Stock	HK$1,110.19 HK$1,007.28 HK$889.73	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Oxygen 25% - UART PS1-O2-MOD Amphenol SGX Sensortech 1: HK$2,480.06 10In Stock	Mfr. Part No. PS1-O2-MOD Mouser Part No 523-PS1-O2-25%-MOD	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Oxygen 25% - UART Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	10In Stock	HK$2,480.06 HK$2,137.12 HK$1,911.31 HK$1,782.26 View HK$1,776.18 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Nitrogen Dioxide 2ppm PS1-NO2-2 Amphenol SGX Sensortech 1: HK$1,480.92 4In Stock	Mfr. Part No. PS1-NO2-2 Mouser Part No 523-PS1NO22	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Nitrogen Dioxide 2ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	4In Stock	HK$1,480.92 HK$1,285.61 HK$1,049.37 HK$985.82 View HK$963.88 HK$928.28 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ammonia 100ppm PS4-NH3-100 Amphenol SGX Sensortech 1: HK$1,625.34 3In Stock	Mfr. Part No. PS4-NH3-100 Mouser Part No 523-PS4-NH3-100	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ammonia 100ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	3In Stock	HK$1,625.34 HK$1,324.74 HK$1,146.94 HK$1,114.80 View HK$1,089.31 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ozone 5ppm PS4-O3-5 Amphenol SGX Sensortech 1: HK$1,137.57 12In Stock	Mfr. Part No. PS4-O3-5 Mouser Part No 523-PS4-O3-5	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ozone 5ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	12In Stock	HK$1,137.57 HK$1,059.64 HK$1,024.62 HK$973.00 View HK$947.52 HK$925.00 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Formaldehyde 5ppm PS4-HCHO-5 Amphenol SGX Sensortech 1: HK$910.86 15In Stock	Mfr. Part No. PS4-HCHO-5 Mouser Part No 523-PS4-HCHO-5	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Formaldehyde 5ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	15In Stock	HK$910.86 HK$846.50 HK$818.14 HK$759.69 View HK$753.03 HK$671.49	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Sulfur Dioxide 50ppm PS4-SO2-50 Amphenol SGX Sensortech 1: HK$910.61 19In Stock	Mfr. Part No. PS4-SO2-50 Mouser Part No 523-PS4-SO2-50	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Sulfur Dioxide 50ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	19In Stock	HK$910.61 HK$846.25 HK$818.14 HK$774.90 View HK$752.95 HK$671.49	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor VOC 10ppm PS4-VOC-10 Amphenol SGX Sensortech 1: HK$757.72 17In Stock	Mfr. Part No. PS4-VOC-10 Mouser Part No 523-PS4-VOC-10	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor VOC 10ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	17In Stock	HK$757.72 HK$702.89 HK$667.79 HK$633.60 View HK$626.86 HK$549.51	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ozone 100ppm PS4-O3-100 Amphenol SGX Sensortech 1: HK$2,058.95 18In Stock	Mfr. Part No. PS4-O3-100 Mouser Part No 523-PS4-O3-100	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Ozone 100ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	18In Stock	HK$2,058.95 HK$1,754.56 HK$1,719.13 HK$1,413.59 View HK$1,395.51 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Sulfur Dioxide 1000ppm PS1-SO2-1000 Amphenol SGX Sensortech 1: HK$1,044.10 2In Stock	Mfr. Part No. PS1-SO2-1000 Mouser Part No 523-PS1SO21000	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Sulfur Dioxide 1000ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	2In Stock	HK$1,044.10 HK$835.89 HK$637.63	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen Sulfide 10ppm PS1-H2S-10 Amphenol SGX Sensortech 1: HK$1,405.87 1In Stock	Mfr. Part No. PS1-H2S-10 Mouser Part No 523-PS1H2S10	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen Sulfide 10ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	1In Stock	HK$1,405.87 HK$1,131.89 HK$932.15 HK$903.13 View HK$887.84 HK$885.54	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen Sulfide 5Kppm PS4-H2S-5000 Amphenol SGX Sensortech 1: HK$2,058.86 3In Stock	Mfr. Part No. PS4-H2S-5000 Mouser Part No 523-PS4-H2S-5000	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Hydrogen Sulfide 5Kppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	3In Stock	HK$2,058.86 HK$1,672.03 HK$1,446.06 HK$1,404.63 HK$1,384.17	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen Sulfide 100ppm PS1-H2S-100 Amphenol SGX Sensortech 1: HK$483.34 14In Stock	Mfr. Part No. PS1-H2S-100 Mouser Part No 523-PS1-H2S-100	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Hydrogen Sulfide 100ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	14In Stock	HK$483.34 HK$446.18 HK$423.08 HK$398.18 View HK$392.18 HK$336.61	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Carbon Monoxide 100ppm PS4-CO-100 Amphenol SGX Sensortech 1: HK$1,391.89 5In Stock	Mfr. Part No. PS4-CO-100 Mouser Part No 523-PS4-CO-100	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Carbon Monoxide 100ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	5In Stock	HK$1,391.89 HK$1,170.94 HK$889.73	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Nitrogen Dioxide 1000ppm PS1-NO2-1000 Amphenol SGX Sensortech 1: HK$1,023.55 1In Stock	Mfr. Part No. PS1-NO2-1000 Mouser Part No 523-PS1-NO2-1000	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Nitrogen Dioxide 1000ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	1In Stock	HK$1,023.55 HK$823.48 HK$688.92 HK$667.38 View HK$651.93 HK$637.63	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Methyl Mercaptan 100ppm PS4-CH4S-100 Amphenol SGX Sensortech 1: HK$1,625.34 1In Stock	Mfr. Part No. PS4-CH4S-100 Mouser Part No 523-PS4CH4S100	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Methyl Mercaptan 100ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	1In Stock	HK$1,625.34 HK$1,324.74 HK$1,146.94 HK$1,114.80 View HK$1,089.31 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor VOC 2000ppm PS1-VOC-2000 Amphenol SGX Sensortech 1: HK$832.36 1In Stock	Mfr. Part No. PS1-VOC-2000 Mouser Part No 523-PS1-VOC-2000	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor VOC 2000ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	1In Stock	HK$832.36 HK$662.04 HK$590.94 HK$519.01 View HK$505.86 HK$495.91	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Indoor Air Quality 10ppm - UART PS1-IAQ-10-MOD Amphenol SGX Sensortech 1: HK$1,976.66 4In Stock	Mfr. Part No. PS1-IAQ-10-MOD Mouser Part No 523-PS1-IAQ-10-MOD	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Module Indoor Air Quality 10ppm - UART Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	4In Stock	HK$1,976.66 HK$1,842.84 HK$1,634.55 HK$1,596.98 View HK$1,590.73 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Ozone 100ppm PS1-O3-100 Amphenol SGX Sensortech 1: HK$644.45 11In Stock	Mfr. Part No. PS1-O3-100 Mouser Part No 523-PS1-O3-100	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Ozone 100ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	11In Stock	HK$644.45 HK$594.96 HK$567.43 HK$550.99 View HK$507.17 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Ammonia 100ppm PS1-NH3-100 Amphenol SGX Sensortech 1: HK$1,061.53 21In Stock	Mfr. Part No. PS1-NH3-100 Mouser Part No 523-PS1-NH3-100	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Ammonia 100ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	21In Stock	HK$1,061.53 HK$887.60 HK$826.19 HK$799.56 View HK$785.50 HK$776.79 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Carbon Monoxide 1000ppm PS1-CO-1000 Amphenol SGX Sensortech 1: HK$300.19 60In Stock	Mfr. Part No. PS1-CO-1000 Mouser Part No 523-PS1-CO-1000	Amphenol SGX Sensortech	Air Quality Sensors PS1 Series Solid Polymer Gas Sensor Carbon Monoxide 1000ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	60In Stock	HK$300.19 HK$275.53 HK$266.33 HK$249.64 View HK$236.74 HK$202.21 HK$201.14 Quote	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Oxygen 25% PS4-O2 Amphenol SGX Sensortech 1: HK$1,138.72 20In Stock	Mfr. Part No. PS4-O2 Mouser Part No 523-PS4-O2-25%	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Oxygen 25% Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	20In Stock	HK$1,138.72 HK$1,060.79 HK$1,031.69 HK$996.84 HK$973.00	Min.: 1 Mult.: 1
Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Nitrogen Dioxide 50ppm PS4-NO2-50 Amphenol SGX Sensortech 1: HK$1,308.21 16In Stock	Mfr. Part No. PS4-NO2-50 Mouser Part No 523-PS4-NO2-50	Amphenol SGX Sensortech	Air Quality Sensors PS4 Series Solid Polymer Gas Sensor Nitrogen Dioxide 50ppm Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	16In Stock	HK$1,308.21 HK$1,148.09 HK$1,087.59	Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools Evaluation Kit (UART-USB cable + Software) for Solid Polymer Sensors - Works ONLY with Sensor Modules (not included) EK6-PSX Amphenol SGX Sensortech 1: HK$722.62 6In Stock	Mfr. Part No. EK6-PSX Mouser Part No 523-EK6-PSX	Amphenol SGX Sensortech	Multiple Function Sensor Development Tools Evaluation Kit (UART-USB cable + Software) for Solid Polymer Sensors - Works ONLY with Sensor Modules (not included) Learn More about Amphenol SGX Sensortech amphenol solid polymer gas sensors	Datasheet	6In Stock	HK$722.62	Min.: 1 Mult.: 1

Solid Polymer Electrochemical Gas Sensors

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