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O2 Sensor

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Portable Ex O2 H2s Co Gas Leak Alarm Detector Gas Test Meter

Portable Ex O2 H2s Co Gas Leak Alarm Detector Gas Test Meter

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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Portable O2 CH4 Co H2s Precision Gas Leak Detector Multi Gas Detector
Secured Trading Service

Portable O2 CH4 Co H2s Precision Gas Leak Detector Multi Gas Detector

US $ 90-118.7 / 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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High Quality Universal Portable 4 in 1 Co H2s O2 Lel
Secured Trading Service

High Quality Universal Portable 4 in 1 Co H2s O2 Lel

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

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
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Toxic Gases Coal Mines Co CO2 O2 CH4 Handheld Portable Multi-Gas Detector
Secured Trading Service

Toxic Gases Coal Mines Co CO2 O2 CH4 Handheld Portable Multi-Gas Detector

US $ 350-500 / 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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Big Promotion! Portable H2s Co O2 Ex Lel Methane Single Gas Leakage Detector

Big Promotion! Portable H2s Co O2 Ex Lel Methane Single Gas Leakage Detector

US $ 240-540 / 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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Portable Oxygen O2 Carbon Dioxide CO2 Gas 2 in 1 Gas Purity Analyzer
Secured Trading Service

Portable Oxygen O2 Carbon Dioxide CO2 Gas 2 in 1 Gas Purity Analyzer

US $ 468-492.76 / Set FOB
1 Set (MOQ)
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Audited Supplier
SKZ International Co., Ltd.

Shandong, China Since 2020
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Factory OEM ODM Portable CO2 O3 O2 CH4 Co H2s Single or Multi Gas Leak Detector

Factory OEM ODM Portable CO2 O3 O2 CH4 Co H2s Single or Multi Gas Leak Detector

US $ 107 / 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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ODM Excellent Sensitivity Portable Gas Detector for Co O2 pH3

ODM Excellent Sensitivity Portable Gas Detector for Co O2 pH3

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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Industrial Grade 4-in-1 Multi-Gas Analyzer Portable Gas Detector (H2S O2 CO EX)
Secured Trading Service

Industrial Grade 4-in-1 Multi-Gas Analyzer Portable Gas Detector (H2S O2 CO EX)

US $ 69-89 / Piece FOB
2 Pieces (MOQ)
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Audited Supplier
Shenzhen Sconda Intelligent Technology Co., Ltd

Guangdong, China Since 2024
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Co O2 H2s Lel Portable 4 in 1 Gas Detector

Co O2 H2s Lel Portable 4 in 1 Gas Detector

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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Air Flow Meter Inline Air Flow Meter O2 Flow Meter Thermal Flow Meter Principle
Secured Trading Service

Air Flow Meter Inline Air Flow Meter O2 Flow Meter Thermal Flow Meter Principle

US $ 200-1,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Huaibei Huadian Automation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2020
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Breath-Protecting IP65 Oxygen Gas Detector with Alarm (O2)

Breath-Protecting IP65 Oxygen Gas Detector with Alarm (O2)

US $ 245.88-302.38 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
SHENZHEN KORNO I AND E CO., LTD

Guangdong, China Since 2017
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China Nkyf Explosion-Proof Fixed O2 Gas Alarm Detector
Secured Trading Service

China Nkyf Explosion-Proof Fixed O2 Gas Alarm Detector

US $ 144.9-173.4 / 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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Portable Single Lel/ Oxygen/ Toxic Gas Detecto
Secured Trading Service

Portable Single Lel/ Oxygen/ Toxic Gas Detecto

US $ 59-90 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Ce Approved IP68 Multiple Gas Detector Co H2s O2 Lel

Ce Approved IP68 Multiple Gas Detector Co H2s O2 Lel

US $ 240-540 / 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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Professional Auto Exhaust Gas Detector for Co O2 CO2 No No2 Gases Measurement

Professional Auto Exhaust Gas Detector for Co O2 CO2 No No2 Gases Measurement

US $ 480-2,000 / 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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Factory Price Approval Portablel Single Portable Gas Detector for H2s, Co, O2, Nh3, CO2

Factory Price Approval Portablel Single Portable Gas Detector for H2s, Co, O2, Nh3, CO2

5 Pieces (MOQ)
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Audited Supplier
Mantern Industrial Co., Limited

Henan, China Since 2013
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OEM Service Portable Multiple Co H2s CH4 O2 Gas Detector for Factory
Secured Trading Service

OEM Service Portable Multiple Co H2s CH4 O2 Gas Detector for Factory

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
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Mobile Laboratory Online Ultra-Low Emission Flue Gas Analyzer So2, No, No2, Co, CO2, O2
Secured Trading Service

Mobile Laboratory Online Ultra-Low Emission Flue Gas Analyzer So2, No, No2, Co, CO2, O2

US $ 5,500 / Set FOB
1 Set (MOQ)
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Audited Supplier
Chongqing Jiuxin Automation Technology Co., Ltd

Chongqing, China Since 2024
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Portable Handheld Multi Gas Detector 4in1 Co CH4 H2s O2 Gas Detector
Secured Trading Service

Portable Handheld Multi Gas Detector 4in1 Co CH4 H2s O2 Gas Detector

US $ 500-5,000 / 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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Portable Pumping Multi-Gas Analyzer for Ex, O2, H2s, Co, CO2, CH4, C2h4, Vocs, Pm, O3 Environmental Detector Air Quality Sensor
Secured Trading Service

Portable Pumping Multi-Gas Analyzer for Ex, O2, H2s, Co, CO2, CH4, C2h4, Vocs, Pm, O3 Environmental Detector Air Quality Sensor

US $ 280-1,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Yizhong Industrial Co., Ltd

Manufacturer/Factory

Shandong, China Since 2023
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Diffusion Multi Co H2s O2 Lel Gas Tester for Mining Use
Secured Trading Service

Diffusion Multi Co H2s O2 Lel Gas Tester for Mining Use

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
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IP66 Alarm Meter Warehouse Aircraft Cabin Gas Detector 0-100%Vol O2 Oxygen
Secured Trading Service

IP66 Alarm Meter Warehouse Aircraft Cabin Gas Detector 0-100%Vol O2 Oxygen

US $ 450-3,000 / 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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About O2 Sensor FAQ

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

    Discover the perfect addition to your Gas Sensor 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 a standout piece in our Gas Sensor collection.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!

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

    The O2 Sensor is classified under 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.

CE Approval Multiple Portable Gas Detector for O2 Co H2s Ex
Secured Trading Service

CE Approval Multiple Portable Gas Detector for O2 Co H2s Ex

US $ 450-3,000 / 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-Mounted O2 Co Infrared Sensor Gas Detector Iecex TUV Certificate
Secured Trading Service

Wall-Mounted O2 Co Infrared Sensor Gas Detector Iecex TUV Certificate

US $ 659-1,500 / 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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Suto S520 Multi-Gas Dew Point Meter Compatible with O2/N2/CO2 for Field Use
Secured Trading Service

Suto S520 Multi-Gas Dew Point Meter Compatible with O2/N2/CO2 for Field Use

US $ 2,000-2,500 / sets FOB
1 sets (MOQ)
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Audited Supplier
Hangzhou Xinjian Electronic Co., Ltd.

Zhejiang, China Since 2024
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Ammonia Detector Portable Multi Gas Monitor for Co O2 CO2 No O3 CH4 Vocs

Ammonia Detector Portable Multi Gas Monitor for Co O2 CO2 No O3 CH4 Vocs

US $ 399-999 / 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 Explosion-Proof Gas Leak Detector and Combustible Gas Detect for Co, O3, O2, H2s, Lel, CH4

Fixed Explosion-Proof Gas Leak Detector and Combustible Gas Detect for Co, O3, O2, H2s, Lel, CH4

US $ 100-280 / Piece FOB
2 Pieces (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Factory Price Portable Gas Detector Co/CO2/O2/Hc/Nox Gas Analyzer
Secured Trading Service

Factory Price Portable Gas Detector Co/CO2/O2/Hc/Nox Gas Analyzer

US $ 280-1,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Yizhong Industrial Co., Ltd

Manufacturer/Factory

Shandong, China Since 2023
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O2 Sleep Apnea Monitor Blood Oxygen Monitor Snoring Monitor APP

O2 Sleep Apnea Monitor Blood Oxygen Monitor Snoring Monitor APP

US $ 50-99 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shanghai Berry Electronic Tech Co., Ltd.

Shanghai, China Since 2014
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Safegas Portable Muiti Gas Detector Lel, Co, H2s, O2 4 in 1
Secured Trading Service

Safegas Portable Muiti Gas Detector Lel, Co, H2s, O2 4 in 1

US $ 350 / 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
IP66 Rechargeable Single Gas Detector with Co/O2/H2s Sensor

IP66 Rechargeable Single Gas Detector with Co/O2/H2s 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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Quality Wholesale Gas Meter Portable Multi-Gas Detector Lel, Co, H2s, O2
Secured Trading Service

Quality Wholesale Gas Meter Portable Multi-Gas Detector Lel, Co, H2s, O2

US $ 280-1,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Yizhong Industrial Co., Ltd

Manufacturer/Factory

Shandong, China Since 2023
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Built-in Pump Multi 1-18 Gases O2/Co/So2/No Gas Analyzer Handheld Gas Analyzer
Secured Trading Service

Built-in Pump Multi 1-18 Gases O2/Co/So2/No Gas Analyzer Handheld Gas Analyzer

US $ 5,000-30,000 / 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
Aerti Portable Oxygen Tester O2 Purity Analyzer 1-10L Oxygen Gas Detector

Aerti Portable Oxygen Tester O2 Purity Analyzer 1-10L Oxygen Gas Detector

US $ 130-230 / Set FOB
2 Sets (MOQ)
Send Inquiry
Audited Supplier
SHENYANG AERTI TECH CO., LTD.

Liaoning, China Since 2021
Chat Now Send Inquiry
OEM CH4 O2 H2s Co CO2 Nh3 H2 Cl2 O3 No No2 Single Gas Fixed Alarm Detector
Secured Trading Service

OEM CH4 O2 H2s Co CO2 Nh3 H2 Cl2 O3 No No2 Single Gas Fixed Alarm Detector

US $ 150-2,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Shandong Yizhong Industrial Co., Ltd

Manufacturer/Factory

Shandong, China Since 2023
Chat Now Send Inquiry
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