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O2 Sensor

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K800 Series Fixed Gas Sensor with Acousto Optic Alarm

K800 Series Fixed Gas Sensor with Acousto Optic Alarm

US $ 457-478 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Fixed Type Professional H2 Hydrogen Sensor Real Time Monitoring 4-20mA Output

Fixed Type Professional H2 Hydrogen Sensor Real Time Monitoring 4-20mA Output

US $ 220-1,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Wall-Mounted RS485 Fixed Chlorine Sensor Cl2 Detection with Sound Alarm and 4-20mA Output

Wall-Mounted RS485 Fixed Chlorine Sensor Cl2 Detection with Sound Alarm and 4-20mA Output

US $ 200-235 / Piece FOB
1 Piece (MOQ)
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Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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Portable C5h10 Detektor Gas Dengan Catalytic Combustion Sensor

Portable C5h10 Detektor Gas Dengan Catalytic Combustion Sensor

US $ 300 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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E12A Electrochemical Detection Module for City Atmospheric Environmental Monitoring,

E12A Electrochemical Detection Module for City Atmospheric Environmental Monitoring,

US $ 410 / pieces FOB
2 pieces (MOQ)
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Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
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Stainless Steel Smart 4-20mA Pressure Transmitter Sensor

Stainless Steel Smart 4-20mA Pressure Transmitter Sensor

US $ 65-75 / Piece FOB
1 Piece (MOQ)
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Hefei WNK Smart Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2016
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Explosion-Proof Methane Gas Analyzer 0-5%Vol CH4 Sensor

Explosion-Proof Methane Gas Analyzer 0-5%Vol CH4 Sensor

US $ 399-599 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Miran MOV2n 0-10 VDC Digital Transverter Convertor for Displacement Sensor

Miran MOV2n 0-10 VDC Digital Transverter Convertor for Displacement Sensor

US $ 18-20 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Miran Technology Co., Ltd.

Guangdong, China Since 2018
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Scooter Oil Pressure Sensor for Piaggio Vespa

Scooter Oil Pressure Sensor for Piaggio Vespa

US $ 2.8-3 / Piece FOB
20 Pieces (MOQ)
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Audited Supplier
GUANGZHOU RICH TECHNOLOGY CO.LTD

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
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K60 Portable NO2 Gas Sensor

K60 Portable NO2 Gas Sensor

US $ 192-262 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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K800 Mounted CO2 Gas Sensor

K800 Mounted CO2 Gas Sensor

US $ 457-478 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Explosion Proof Industrial Multi Mode Alarm Fixed Type Gas Testing Sensor

Explosion Proof Industrial Multi Mode Alarm Fixed Type Gas Testing Sensor

US $ 145-185 / Set FOB
1 Set (MOQ)
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Audited Supplier
Henan Zhong An Electronic Detection Technology CO.,LTD

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Four Gas Sensor for All Kind of Gas with Explosionproof Certification

Four Gas Sensor for All Kind of Gas with Explosionproof Certification

US $ 80-150 / Piece FOB
1 Piece (MOQ)
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Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Gas Air Flow Sensor Digital/Analog Output Bidirectional Measurement Afm3000

Gas Air Flow Sensor Digital/Analog Output Bidirectional Measurement Afm3000

US $ 96-104 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Guangdong Jiepute Technology Co., Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
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Diffusion Methane Sensor

Diffusion Methane Sensor

US $ 500-1,200 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Taizhou Hanyao Electronic Technology Co., Ltd

Zhejiang, China Since 2025
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Construction Machinery Engine Parts: Engine Nitrogen-Oxygen Sensor 04466641 for Deutz Tcd2.9L4 Tcd3.6 Engine.

Construction Machinery Engine Parts: Engine Nitrogen-Oxygen Sensor 04466641 for Deutz Tcd2.9L4 Tcd3.6 Engine.

US $ 60-70 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Wolkang Machinery Equipment Co., Ltd.

Shandong, China Since 2025
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Multi Gas Sensor Carbon Monoxide Monitor H2s Gas Detector

Multi Gas Sensor Carbon Monoxide Monitor H2s Gas Detector

US $ 96-120 / Set FOB
1 Set (MOQ)
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Audited Supplier
Henan Zhong An Electronic Detection Technology CO.,LTD

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Nox Sensor for Volvo Renault 7422827993 5wk97371 Top Quality Level for Trucks 22827993 Nox Sensor

Nox Sensor for Volvo Renault 7422827993 5wk97371 Top Quality Level for Trucks 22827993 Nox Sensor

US $ 145-155 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Qingdao D&E International Trade Co., Ltd.

Shandong, China Since 2022
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K800 Mounted Multi Gas Sensor with Alarm for Flue Gas Analyze

K800 Mounted Multi Gas Sensor with Alarm for Flue Gas Analyze

US $ 133-1,325 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Skz1050e Laboratory Digital Analyse Skz1050e-CO2 Carbon Dioxide Infrared Sensor

Skz1050e Laboratory Digital Analyse Skz1050e-CO2 Carbon Dioxide Infrared Sensor

US $ 596-627 / Set FOB
1 Set (MOQ)
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Audited Supplier
SKZ International Co., Ltd.

Shandong, China Since 2020
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Customized AC/DC 0-2000V Voltage Transducer for Rail Mount Hall Sensor

Customized AC/DC 0-2000V Voltage Transducer for Rail Mount Hall Sensor

US $ 55 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Cheemi Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Throttle Body Position Sensor for Nmax

Throttle Body Position Sensor for Nmax

US $ 1-20 / Piece FOB
20 Pieces (MOQ)
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Audited Supplier
GUANGZHOU RICH TECHNOLOGY CO.LTD

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
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K800-O3 Industrial Fixed 4-20mA Output LED Display Ozone Gas Leak Detector O3 Sensor with Alarm Light

K800-O3 Industrial Fixed 4-20mA Output LED Display Ozone Gas Leak Detector O3 Sensor with Alarm Light

US $ 220-1,060 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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About O2 Sensor FAQ

  • QCan gas sensors be customized for unique applications or top industry trends?

    Discover the perfect Gas Sensor addition with our O2 Sensor.Yes, many OEM and factory direct gas sensor suppliers offer custom calibration or integration tailored to specific wholesale needs. Keeping up with top trends, such as industrial IoT applications, can boost your buying decision. Reach out for a customization guide and competitive quote.

  • QHow do gas sensor wholesale prices compare with factory OEM supply?

    Our O2 Sensor offers exceptional quality and style within the Gas Sensor category.Wholesale gas sensor sourcing often brings better price points and flexible OEM supply terms than what many distributors offer. Factory OEM pricing and the latest gas sensor market trends reveal cost savings when buying in bulk—contact for the top gas sensor deals and RFQ information.

  • QWhat should I watch out for in cheap gas sensors from distributors?

    The O2 Sensor is a key item within our extensive Gas Sensor selection.Bulk gas sensor orders from distributors can be cost-effective, but always check for updated certification and OEM options. Price might be tempting, but not all factory direct gas sensors meet technical or customization standards—request a guide or custom quote before deciding!

China Manufacturer PT100 PT1000 Rtd Temperature Sensor

China Manufacturer PT100 PT1000 Rtd Temperature Sensor

US $ 15-100 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Shenzhen Norwis Technology Co., Ltd.

Guangdong, China Since 2025
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4-20mA Signal and RS485 Output Fixed Gas Leak Detector So2 Concentration Sensor

4-20mA Signal and RS485 Output Fixed Gas Leak Detector So2 Concentration Sensor

US $ 220-1,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Sulfur Ozone Dioxide O3 So2 Sensors Monitor Analyzer RS485 Gas Leak Detector with Solar Radiation Shield

Sulfur Ozone Dioxide O3 So2 Sensors Monitor Analyzer RS485 Gas Leak Detector with Solar Radiation Shield

US $ 359-429 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Sichuan Weinasa Technology Co., Ltd.

Trading Company

Sichuan, China Since 2022
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23731ja11b+Z002 Camshaft Position Sensor for Navara Genuine Spare Part Oes

23731ja11b+Z002 Camshaft Position Sensor for Navara Genuine Spare Part Oes

US $ 5-60 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Wuhan Dong Feng Motor Industry Imp. & Exp. Co., Ltd.

Trading Company

Hubei, China Since 2021
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So2 Gas Sensor 4 Way Gas Monitor Multirae Gas Detector

So2 Gas Sensor 4 Way Gas Monitor Multirae Gas Detector

US $ 96-120 / Set FOB
1 Set (MOQ)
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Audited Supplier
Henan Zhong An Electronic Detection Technology CO.,LTD

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
Nox Sensors for Scania Trucks 2294290 5wk97400 Nox Sensor 24V 2294290 5wk97400 Top Quality Level

Nox Sensors for Scania Trucks 2294290 5wk97400 Nox Sensor 24V 2294290 5wk97400 Top Quality Level

US $ 145-155 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Qingdao D&E International Trade Co., Ltd.

Shandong, China Since 2022
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K700 Pipe-Mounted Dual Gas Sensor

K700 Pipe-Mounted Dual Gas Sensor

US $ 290-400 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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PT100 Type Risitive with Flange Fixed Industry Oven Temperature Sensor Rtd

PT100 Type Risitive with Flange Fixed Industry Oven Temperature Sensor Rtd

US $ 29-46 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Shenzhen Norwis Technology Co., Ltd.

Guangdong, China Since 2025
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E+H Oxymax Cos61d/Cos61/Cos22D/Cos22e/Cos21d Oxygen Sensor Memosens Oxygen Probe

E+H Oxymax Cos61d/Cos61/Cos22D/Cos22e/Cos21d Oxygen Sensor Memosens Oxygen Probe

US $ 2,000-3,000 / Piece FOB
100 Pieces (MOQ)
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Audited Supplier
Shenzhen Anyi Technology Co., Ltd.

Guangdong, China Since 2024
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Reliable 35mm DIN Rail Hall Sensor for Accurate Voltage Measurement

Reliable 35mm DIN Rail Hall Sensor for Accurate Voltage Measurement

US $ 55 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Cheemi Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Front Impact Sensor for Components of New Energy Vehicles for Model X/3 1473445-00-a 1095699-00-a 1037588-00-a

Front Impact Sensor for Components of New Energy Vehicles for Model X/3 1473445-00-a 1095699-00-a 1037588-00-a

US $ 9.6-14.5 / Piece FOB
5 Pieces (MOQ)
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Audited Supplier
NANCHANG AUTOCARE CO., LTD.

Trading Company

Jiangxi, China Since 2020
Chat Now Send Inquiry
K700 Dust Proof Fixed Gas Sensor

K700 Dust Proof Fixed Gas Sensor

US $ 290-400 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Auto Accessories Nox Sensor 5wk96619d 1510070528 Nox Sensor Nitrogen Oxigen Sensor for Daf

Auto Accessories Nox Sensor 5wk96619d 1510070528 Nox Sensor Nitrogen Oxigen Sensor for Daf

US $ 120-180 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shiyan Yilianda Industry And Trade Co., Ltd.

Hubei, China Since 2022
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