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Portable Built-in Pump Gas Analyzer Co/CO2/No2/Nox/CH4/So2 Standard 32g SD Memory Card

Portable Built-in Pump Gas Analyzer Co/CO2/No2/Nox/CH4/So2 Standard 32g SD Memory Card

US $ 3,000-5,000 / 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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Factory Portable Gas Leak Detector for LPG and Combustible Gas Alarm Detection

Factory Portable Gas Leak Detector for LPG and Combustible Gas Alarm Detection

US $ 110-145 / Piece FOB
1 Piece (MOQ)
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Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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4-20mA Industrial Monitoring pH3 HCl Hcn Voc Fixed Gas Leak Detector

4-20mA Industrial Monitoring pH3 HCl Hcn Voc Fixed Gas Leak Detector

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

Manufacturer/Factory & Trading Company

Ningxia, China Since 2023
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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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Hefei Siko Instruments Co., Ltd.

Anhui, China Since 2023
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Wall Mounted Refrigerant Gas Sensor Freon Leak Detector for Refrigeration Industry

Wall Mounted Refrigerant Gas Sensor Freon Leak Detector for Refrigeration Industry

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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Oil Gas Petrochemical Chemical Pharmaceutical Plant Innovative Sound and Light Alarm Chlorine Dioxide Detector

Oil Gas Petrochemical Chemical Pharmaceutical Plant Innovative Sound and Light Alarm Chlorine Dioxide Detector

US $ 221-250 / 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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Steel Smelting Ironnatural Gas LPG LNG Efficient LPG, CH4, So2, Nh3 Gas Detector with LED Display and Alarm

Steel Smelting Ironnatural Gas LPG LNG Efficient LPG, CH4, So2, Nh3 Gas Detector with 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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Advanced Multi-Gas Meter with RS485 Output for Air Quality Monitoring

Advanced Multi-Gas Meter with RS485 Output for Air Quality 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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Industrial High Acuuracy RS485 Cl2 Chlorine Gas Detector with Sound Alarm and LED Display

Industrial High Acuuracy RS485 Cl2 Chlorine Gas Detector with Sound Alarm and LED Display

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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Wall Mounted RS485 4-20mA Cl2 Chlorine Sensor Gas Detector with LED Display and Sound Alarm

Wall Mounted RS485 4-20mA Cl2 Chlorine Sensor Gas Detector with LED Display and Sound Alarm

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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Advanced Gas Meter for Reliable Air Quality and Environmental Monitoring

Advanced Gas Meter for Reliable Air Quality and Environmental Monitoring

US $ 28 / FOB
1 (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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Temperature Humidity Compensated Strong Anti Interference Chlorine Dioxide Detector with LED Display

Temperature Humidity Compensated Strong Anti Interference Chlorine Dioxide Detector with LED Display

US $ 221-250 / 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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Multi Gas Analyzer Exhaust Handheld Gas Alarm Detector

Multi Gas Analyzer Exhaust Handheld Gas Alarm Detector

US $ 380-500 / Piece FOB
1 Piece (MOQ)
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Nanjing KELISAIKE Safety Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2016
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Flameproof Enclosure Duct Mounted Type Fixed pH3 Phosphine Gas Detector for pH3 with Reliable Sound and Light Alerts

Flameproof Enclosure Duct Mounted Type Fixed pH3 Phosphine Gas Detector for pH3 with Reliable Sound and Light Alerts

US $ 190-250 / 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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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 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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Audited Supplier
Wuxi Yongan Electronic Technology Co., Ltd.

Jiangsu, China Since 2026
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Portable Multi Gas Detector Compound 4 Gases Detector From Factory

Portable Multi Gas Detector Compound 4 Gases Detector From Factory

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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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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24/7 After Sales Service 1 Year Warranty Guarantee Fixed pH3 Phosphine Gas Leak Detector with LED Display and Sound Alarm Functionality

24/7 After Sales Service 1 Year Warranty Guarantee Fixed pH3 Phosphine Gas Leak Detector with LED Display and Sound Alarm Functionality

US $ 190-250 / 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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High Accuracy Industrial RS485 O3 Gas Safety Detector with User-Friendly Alarm System

High Accuracy Industrial RS485 O3 Gas Safety Detector with User-Friendly Alarm System

US $ 277-310 / 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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Ndir Infrared Sensor LED Display LPG, CH4, So2, Nh3 Detector with LED Display and Sound Mode

Ndir Infrared Sensor LED Display LPG, CH4, So2, Nh3 Detector with LED Display and Sound Mode

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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Explosion Proof Gas Detector Alarm for No Gas with Advanced Sensor

Explosion Proof Gas Detector Alarm for No Gas with Advanced Sensor

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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4-20mA Output RS485 Wall-Mounted Reliable LPG Liquefied Petroleum Gas Detector with Sound and Light

4-20mA Output RS485 Wall-Mounted Reliable LPG Liquefied Petroleum Gas Detector with Sound and Light

US $ 62-85 / 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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About O2 Sensor FAQ

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

    The O2 Sensor is a top choice 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 a key item within our extensive Gas Sensor selection.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 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.

Comprehensive Environmental Air Quality Meter with Multi-Gas Detection

Comprehensive Environmental Air Quality Meter 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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Industrial Gas Transmitter Wall Mounted No2 Gas Sensor Nitrogen Dioxide Detector

Industrial Gas Transmitter Wall Mounted No2 Gas Sensor Nitrogen Dioxide 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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Compact Pm10 Pm2.5 CO2 Iaq Sensor Indoor Air Quality Monitor with Display

Compact Pm10 Pm2.5 CO2 Iaq Sensor Indoor Air Quality Monitor with Display

US $ 74-650 / 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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Wall Mounted High Accuraccy environmental Air Quality Sensor Pm1.0 Pm2.5 Pm10 Detector

Wall Mounted High Accuraccy environmental Air Quality Sensor Pm1.0 Pm2.5 Pm10 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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Portable Polysomnography System EEG Eog Machine Devices

Portable Polysomnography System EEG Eog Machine Devices

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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Integrated Rk300-08 Gas Detector for Wide-Range Co, So2, O3, and No2

Integrated Rk300-08 Gas Detector for Wide-Range Co, So2, O3, and No2

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
Chat Now Send Inquiry
Oil Gas Petrochemical Chemical Pharmaceutical Plant User-Friendly LPG, CH4, So2, Nh3 Detector with LED Display

Oil Gas Petrochemical Chemical Pharmaceutical Plant User-Friendly LPG, CH4, So2, Nh3 Detector with LED Display

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

Jiangsu, China Since 2026
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Smart Sensor Gas Alert Clip H2s Co Detector Bw Two Year Warranty

Smart Sensor Gas Alert Clip H2s Co Detector Bw Two Year Warranty

US $ 35-45 / 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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Home Security Smart Portable Handheld Type Gas Detector Gas Detection

Home Security Smart Portable Handheld Type Gas Detector Gas Detection

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

Jiangsu, China Since 2017
Chat Now Send Inquiry
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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Portable Gas Detector Electrochemical Gas Detection So2 for Industry with Explosion Proof

Portable Gas Detector Electrochemical Gas Detection So2 for Industry with Explosion Proof

US $ 59-150 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Good Quality Methane Gas Leak Detector 4 Gas Monitor

Good Quality Methane Gas Leak Detector 4 Gas Monitor

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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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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