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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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LCD Display Pocket Gas Sniffer for CH4 Co O2 H2s with Rechargeable Lithium Battery

LCD Display Pocket Gas Sniffer for CH4 Co O2 H2s with Rechargeable Lithium Battery

US $ 100-390 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Online O2 Gas Analyzer - Preconditioning System, Ex D, IP66, CE, 3c Available

Online O2 Gas Analyzer - Preconditioning System, Ex D, IP66, CE, 3c Available

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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Working Area Hypoxia Monitor Personal Prevention Fixed O2 Gas Detector

Working Area Hypoxia Monitor Personal Prevention Fixed O2 Gas Detector

US $ 240-899 / 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 Portable Single O2 Oxygen Gas Detector with Good Sensor

Explosion-Proof Portable Single O2 Oxygen Gas Detector with Good Sensor

US $ 100-350 / Piece FOB
2 Pieces (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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IP66 4 Gas Portable Multi-Gas Detector Lel, Co, H2s, O2

IP66 4 Gas Portable Multi-Gas Detector Lel, Co, H2s, O2

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

Jiangsu, China Since 2017
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Industrial Grade O2 Gas Detector for Safety Detection Accurate Detection

Industrial Grade O2 Gas Detector for Safety Detection Accurate Detection

US $ 249-799 / 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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High Sensitivity Portable Gas Detector for Co Ex H2s O2 Nh3 H2 Cl2 No2 No So2 Gas Monitor

High Sensitivity Portable Gas Detector for Co Ex H2s O2 Nh3 H2 Cl2 No2 No So2 Gas Monitor

US $ 81-104 / Piece FOB
5 Pieces (MOQ)
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Audited Supplier
Shenzhen Sconda Intelligent Technology Co., Ltd

Guangdong, China Since 2024
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Factory SS304 Thermal Mass Flow Meter Smart Display Compressed Air Natural Gas Hydrogen CO2 O2 Flowmeter

Factory SS304 Thermal Mass Flow Meter Smart Display Compressed Air Natural Gas Hydrogen CO2 O2 Flowmeter

US $ 209-2,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Aister Instrument (Shanghai) Co., Ltd.

Shanghai, China Since 2023
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Fixed Industrial LPG Gas Detector for Gas Detection

Fixed Industrial LPG Gas Detector for Gas Detection

US $ 150-300 / Piece FOB
5 Pieces (MOQ)
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Audited Supplier
Mantern Industrial Co., Limited

Henan, China Since 2013
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Smart Hydrogen Ammonia Methane No2 pH3 O2 Co H2s Single Gas Monitor Tester Measurement Analyzer

Smart Hydrogen Ammonia Methane No2 pH3 O2 Co H2s Single Gas Monitor Tester Measurement Analyzer

US $ 44-279 / 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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Co H2s O2 Single Gas Portable Detector with IP68 Explosion Grade

Co H2s O2 Single Gas Portable Detector with IP68 Explosion Grade

US $ 400-900 / 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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Online Oxygen Gas Analyzer O2 pH3 Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

Online Oxygen Gas Analyzer O2 pH3 Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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Portable Gas Purity Analyzer – Measures N2, O2, CO2 Levels Fast & Accurate Testing

Portable Gas Purity Analyzer – Measures N2, O2, CO2 Levels Fast & Accurate Testing

US $ 600-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Sconda Intelligent Technology Co., Ltd

Guangdong, China Since 2024
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Industrial CH4 O2 Co H2s Limited Space Toxic Harmful Gas Detector

Industrial CH4 O2 Co H2s Limited Space Toxic Harmful Gas Detector

US $ 144.9-173.4 / Piece FOB
1 Piece (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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Online Oxygen Gas Analyzer O2 Nh3 Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

Online Oxygen Gas Analyzer O2 Nh3 Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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Iecex and ATEX Certified Single Gas Detector for Industrial O2

Iecex and ATEX Certified Single Gas Detector for Industrial O2

US $ 100-300 / 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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Online Laser Oxygen (O2) Gas Analyzer - No Cross Interference, High Accuracy

Online Laser Oxygen (O2) Gas Analyzer - No Cross Interference, High Accuracy

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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Ce Approved Monitoring System Multi Gas Detector for Co, O2, H2s, Lel

Ce Approved Monitoring System Multi Gas Detector for Co, O2, H2s, Lel

US $ 300-430 / 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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4 Gas Analyzer Electrochemical Gas Sensors Multi-Gas Detectors (LEL, O2, CO, H2S)

4 Gas Analyzer Electrochemical Gas Sensors Multi-Gas Detectors (LEL, O2, CO, H2S)

US $ 65-70 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Shenzhen Sconda Intelligent Technology Co., Ltd

Guangdong, China Since 2024
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Fixed Gas Alarm Ammonia Nh3 O2 Flammable and Combustible Multi-Gas Leak Detector

Fixed Gas Alarm Ammonia Nh3 O2 Flammable and Combustible Multi-Gas Leak Detector

US $ 599-1,500 / 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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Online Oxygen Gas Analyzer O2 Hf Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

Online Oxygen Gas Analyzer O2 Hf Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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Wall Mount LCD Oxygen Gas Detector 0-10V Voltage Output O2 Transmitter 0-25%Vol Workshop Safety Monitor

Wall Mount LCD Oxygen Gas Detector 0-10V Voltage Output O2 Transmitter 0-25%Vol Workshop Safety Monitor

US $ 44-279 / 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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IP66 132*63*48m Portable Multi Gas Detector for Co O2 H2s Ex with Sound LED Light Vibration Alarm

IP66 132*63*48m Portable Multi Gas Detector for Co O2 H2s Ex with Sound LED Light Vibration Alarm

US $ 100-390 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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About O2 Sensor FAQ

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

    The O2 Sensor is included in our comprehensive Gas Sensor range.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?

    The O2 Sensor is a premium choice in the Gas Sensor category.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?

    Our O2 Sensor offers exceptional quality and style within the Gas Sensor category.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!

IP66 Portable Gas Detector for H2s Co O2 Ex with Sound Light Vibration Alarm

IP66 Portable Gas Detector for H2s Co O2 Ex with Sound Light Vibration Alarm

US $ 280 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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ODM Portable 4 in 1 Gas Leakage Detector for Gases H2s Co O2 Gas Leak Detector

ODM Portable 4 in 1 Gas Leakage Detector for Gases H2s Co O2 Gas Leak Detector

US $ 70-180 / Piece FOB
5 Pieces (MOQ)
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Audited Supplier
Mantern Industrial Co., Limited

Henan, China Since 2013
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Fixed Gas Leak Detector, O2 Detector, High Precision, Can Be Used for The Detection of Various Harmful Gases

Fixed Gas Leak Detector, O2 Detector, High Precision, Can Be Used for The Detection of Various Harmful Gases

US $ 92.8-100 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
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Industry Gas Detector Ex O2 H2s Co 4-in Gas Alarm Monitor System

Industry Gas Detector Ex O2 H2s Co 4-in Gas Alarm Monitor System

US $ 156-180 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Xinhean Technology Co., Ltd.

Guangdong, China Since 2019
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China Yf-8500-H2 Industrial Explosion-Proof H2s Co O2 RS485 Gas Alarm Analyzer Wall-Mounted Fixed Flammable Gas Leak Detector

China Yf-8500-H2 Industrial Explosion-Proof H2s Co O2 RS485 Gas Alarm Analyzer Wall-Mounted Fixed Flammable Gas Leak Detector

US $ 200-214.2 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Online Oxygen Gas Analyzer O2 O3 Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

Online Oxygen Gas Analyzer O2 O3 Gas Sensor Gas Detector Used for Gas Control in Centrifuge Reaction Vessels

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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Portable Multi Gas Detector 4 Gas Monitor (combustible gas, O2, C0 and H2S)

Portable Multi Gas Detector 4 Gas Monitor (combustible gas, O2, C0 and H2S)

US $ 199-399 / 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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Online Oxygen (O2) Gas Analyzer for Nitric Acid Plant Absorption Tower - CE, Ex

Online Oxygen (O2) Gas Analyzer for Nitric Acid Plant Absorption Tower - CE, Ex

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
Chat Now Send Inquiry
Portable Multi Gas Monitor Gas Detector for O2 CH4 Co H2s 4 in 1 Gas Detector

Portable Multi Gas Monitor Gas Detector for O2 CH4 Co H2s 4 in 1 Gas Detector

US $ 99-1,300 / 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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CE, Portable Gas Detector for O2, Co, CO2, H2, No2, Nh3, No, Cl2, Gas Meter

CE, Portable Gas Detector for O2, Co, CO2, H2, No2, Nh3, No, Cl2, Gas Meter

US $ 59-300 / 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 4 in 1 Gas Alarm Co Lel O2 H2s Gas Detector

Portable Gas Detector 4 in 1 Gas Alarm Co Lel O2 H2s Gas Detector

US $ 400-1,300 / 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
Chat Now Send Inquiry
CE Approval Portable Multi 4 Gas Leak Detector CH4/Lel, H2s, Co, O2

CE Approval Portable Multi 4 Gas Leak Detector CH4/Lel, H2s, Co, O2

US $ 199-550 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shenzhen Yuante Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Yb-Adh100 Preconditioned Oxygen (O2) Gas Analyzer for High-Pressure Gas Lines

Yb-Adh100 Preconditioned Oxygen (O2) Gas Analyzer for High-Pressure Gas Lines

US $ 1,500-3,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Nanjing Yibang Electronic Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
Chat Now Send Inquiry
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