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O2 Sensor

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Sensor Pressure Sensor Water Level Sensor Humidity Sensor Fuel Sensor Automatic Sensor

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High Precision Electrochemical Wide Range Air Quality Transmitter Tvoc Methane Oxygen Sulfur Dioxide Detector

High Precision Electrochemical Wide Range Air Quality Transmitter Tvoc Methane Oxygen Sulfur Dioxide Detector

US $ 45-499 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Renke Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
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Industrial Fixed H2s Gas Detector 0-20ppm H2s Gas Leak Detector Multi-Channel Gas Alarm Control Panel Connected to Fan

Industrial Fixed H2s Gas Detector 0-20ppm H2s Gas Leak Detector Multi-Channel Gas Alarm Control Panel Connected to Fan

US $ 190-230 / Piece FOB
1 Piece (MOQ)
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Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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Portable USB Carbon Dioxide Monitor CO2 Sensor Mutil Gas Leak Detector

Portable USB Carbon Dioxide Monitor CO2 Sensor Mutil Gas Leak Detector

US $ 100-290 / Piece FOB
1 Piece (MOQ)
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Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Catalytic Combustion Sensor Ndir Infrared Sensor Dual Alarm LPG Detector with Sound and Light for Enhanced Safety

Catalytic Combustion Sensor Ndir Infrared Sensor Dual Alarm LPG Detector with Sound and Light for Enhanced Safety

US $ 62-85 / Piece FOB
1 Piece (MOQ)
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Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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Rechargeable Battery Powered High Accuracy Safety Monitoring Instrument Portable 6-in-1 Gas Detector

Rechargeable Battery Powered High Accuracy Safety Monitoring Instrument Portable 6-in-1 Gas Detector

US $ 1,050-1,100 / Piece FOB
1 Piece (MOQ)
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Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory

Trading Company

Hebei, China Since 2025
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High Concentration Wall Mounted So2 Sulfur Dioxide Sensor Gas Pollution Detector

High Concentration Wall Mounted So2 Sulfur Dioxide Sensor Gas Pollution Detector

US $ 40-60 / Piece FOB
1 Piece (MOQ)
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Hefei Siko Instruments Co., Ltd.

Anhui, China Since 2023
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Multi Gas Detector Air Quality Monitor WiFi Ziqbee Lorawan RS485

Multi Gas Detector Air Quality Monitor WiFi Ziqbee Lorawan RS485

US $ 30-35 / pieces FOB
1 pieces (MOQ)
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Audited Supplier
Henan Fosen Electronics Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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RS485 Bluetooth Lorawan Lora Indoor Air Quality Monitor Laq Carbon Dioxid Sensor

RS485 Bluetooth Lorawan Lora Indoor Air Quality Monitor Laq Carbon Dioxid Sensor

US $ 30-35 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Fosen Electronics Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Industrial Explosion-Proof H2s Detector Built-in High-Efficiency Sensor Strong Anti-Interference Capabilities for Use in Mines and Wastewater Treatment Plants.

Industrial Explosion-Proof H2s Detector Built-in High-Efficiency Sensor Strong Anti-Interference Capabilities for Use in Mines and Wastewater Treatment Plants.

US $ 190-230 / Piece FOB
1 Piece (MOQ)
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Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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High Quality Hydrogen H2 Gas Measuring Meter Portable H2 Detector

High Quality Hydrogen H2 Gas Measuring Meter Portable H2 Detector

US $ 100-290 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Portable Gas Detector LCD Display with Rechargeable Battery

Portable Gas Detector LCD Display with Rechargeable Battery

US $ 100-290 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Hydrogen Gas Monitor H2 Sensors Hydrogen Gas Alarm Hydrogen Gas Detection System Hydrogen Gas Detector Price

Hydrogen Gas Monitor H2 Sensors Hydrogen Gas Alarm Hydrogen Gas Detection System Hydrogen Gas Detector Price

US $ 75-85 / 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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Underground Garage Parking Cold Storage Warehouse Smart Clo2 Detector with Sound Alerts and LED Display

Underground Garage Parking Cold Storage Warehouse Smart Clo2 Detector with Sound Alerts and LED Display

US $ 221-250 / Piece FOB
1 Piece (MOQ)
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Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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Sidestream Anesthesia Gas Sensor CO2/N2o/ISO/Enf/Sev (measuring 5 types anesthetic gases) Anesthesia Monitor

Sidestream Anesthesia Gas Sensor CO2/N2o/ISO/Enf/Sev (measuring 5 types anesthetic gases) Anesthesia Monitor

US $ 1,400-1,450 / Piece FOB
1 Piece (MOQ)
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Akicare Technology Limited

Guangdong, China Since 2023
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Coal Mine Underground Confined Space Entry Compact Gas Detector with LED Display for Carbon Monoxide Alerts

Coal Mine Underground Confined Space Entry Compact Gas Detector with LED Display for Carbon Monoxide Alerts

US $ 118 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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4-20mA RS485 Industrial Ethylene C2h4 Gas Detector with Advanced Toxic Alarm System

4-20mA RS485 Industrial Ethylene C2h4 Gas Detector with Advanced Toxic Alarm System

US $ 312-339 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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Sine Wave, Sawtooth Wave Signal to Square Wave Signal Speed Sensor Signal Isolation Transmitter

Sine Wave, Sawtooth Wave Signal to Square Wave Signal Speed Sensor Signal Isolation Transmitter

US $ 11.8 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Sunyuan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2012
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Wastewater Treatment Plant Power Plant Boiler Emission Smart LPG, CH4, So2, Nh3 Gas Detector Featuring LED Display and Alarm

Wastewater Treatment Plant Power Plant Boiler Emission Smart LPG, CH4, So2, Nh3 Gas Detector Featuring LED Display and Alarm

US $ 85 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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4 in 1 Multi Gas Analyzers Combustible Gas Sensor Handheld Portable Gas Detector

4 in 1 Multi Gas Analyzers Combustible Gas Sensor Handheld Portable Gas Detector

US $ 62-65 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
TZONE DIGITAL TECHNOLOGY CO., LTD.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2012
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USB Rechargeable Gas Sensor 4 Gas Detector with LCD Display

USB Rechargeable Gas Sensor 4 Gas Detector with LCD Display

US $ 63-75 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Sconda Intelligent Technology Co., Ltd

Guangdong, China Since 2024
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Chemical Industry 4 in 1 Fixed Gas Detector Analyzer

Chemical Industry 4 in 1 Fixed Gas Detector Analyzer

US $ 364.3-394.8 / sets FOB
1 sets (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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Industrial RS485 Fixed Chlorine Cl2 Sensor Chlorine Detector with LED Display and 4-20mA Output

Industrial RS485 Fixed Chlorine Cl2 Sensor Chlorine Detector with LED Display and 4-20mA Output

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

Jiangsu, China Since 2026
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EPA Approved OEM Exhaust New Products Universal Catalyst Catalytic Converter with O2 Sensor for 2011 Jaguar Xf 51356

EPA Approved OEM Exhaust New Products Universal Catalyst Catalytic Converter with O2 Sensor for 2011 Jaguar Xf 51356

US $ 30-45 / Piece FOB
5 Pieces (MOQ)
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Audited Supplier
Tianjin Ruihe Auto Parts Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2025
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About O2 Sensor FAQ

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

    Our O2 Sensor offers exceptional quality 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.

  • 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.

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

    The O2 Sensor is classified under our comprehensive Gas Sensor range.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!

Handheld Co Detector Gas Alarm Carbon Monoxide Gas Leak Detector

Handheld Co Detector Gas Alarm Carbon Monoxide Gas Leak Detector

US $ 100-290 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Fixed Gas Detector Can Be Used in Gas Storage Rooms Continuous Monitoring

Fixed Gas Detector Can Be Used in Gas Storage Rooms Continuous Monitoring

US $ 222-2,100 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Yuante Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
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Wall Mount 0-2000ppm pH3 Gas Leakage Detector Phosphine Sensor for Fumigation

Wall Mount 0-2000ppm pH3 Gas Leakage Detector Phosphine Sensor for Fumigation

US $ 40-60 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Hefei Siko Instruments Co., Ltd.

Anhui, China Since 2023
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Comprehensive Air Quality Meter for Real-Time Gas Detection and Analysis

Comprehensive Air Quality Meter for Real-Time Gas Detection and Analysis

US $ 28 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Hunan Rika Electronic Tech Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2020
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Advanced Rk300-08b Air Quality Meter with CO2 Monitoring

Advanced Rk300-08b Air Quality Meter with CO2 Monitoring

US $ 28 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Hunan Rika Electronic Tech Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2020
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Gas Detector Portable Handheld Gas Analyzer Handheld Combustible 4 in 1 Gas Leak Detector

Gas Detector Portable Handheld Gas Analyzer Handheld Combustible 4 in 1 Gas Leak Detector

US $ 100-290 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Wall Mounted Fixed Gas Detector 316 Stainless Steel Material Corrosion Resistant

Wall Mounted Fixed Gas Detector 316 Stainless Steel Material Corrosion Resistant

US $ 600 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Yuante Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
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Humidity and Temperature Accurate Air Quality Monitor with Multi-Gas Detection

Humidity and Temperature Accurate Air Quality Monitor with Multi-Gas Detection

US $ 28 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Hunan Rika Electronic Tech Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2020
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New Portable 5 in 1 Gas Sensor Detector with 4-Digits Display Security Products

New Portable 5 in 1 Gas Sensor Detector with 4-Digits Display Security Products

US $ 380-500 / 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
Chat Now Send Inquiry
4 in 1 Industry Gas Analyzer Fixed Gas Detector

4 in 1 Industry Gas Analyzer Fixed Gas Detector

US $ 364.3-394.8 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
Chat Now Send Inquiry
Portable Diagnosis Devices for Detecting Sleep Disorders Sleep Apnea

Portable Diagnosis Devices for Detecting Sleep Disorders Sleep Apnea

US $ 3,600-4,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
HUNAN VENTMED MEDICAL TECHNOLOGY CO., LTD.

Hunan, China Since 2019
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Wall Mounted 4-20mA 0-200ppm Ethylene Oxide Sensor C2h4o Toxic Carcinogenic Detector

Wall Mounted 4-20mA 0-200ppm Ethylene Oxide Sensor C2h4o Toxic Carcinogenic Detector

US $ 40-60 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Hefei Siko Instruments Co., Ltd.

Anhui, China Since 2023
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Wall-Mounted Toxic Gas Sensor 4-20mA Cl2 Detector 0-20ppm Chlorine Gas Detector

Wall-Mounted Toxic Gas Sensor 4-20mA Cl2 Detector 0-20ppm Chlorine Gas Detector

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

Jiangsu, China Since 2026
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