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3.7V 2200mAh Rechargeable Portable Gas Leak Detector with Ex Certified

3.7V 2200mAh Rechargeable Portable Gas Leak Detector with Ex Certified

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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Pulse Width Modulation Pmw Signal 100Hz, 1kHz, 10kHz, 20kHz to Analog Signal 4-20mA, 0-10V Converter

Pulse Width Modulation Pmw Signal 100Hz, 1kHz, 10kHz, 20kHz to Analog Signal 4-20mA, 0-10V Converter

US $ 20-22 / Piece FOB
1 Piece (MOQ)
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Shenzhen Sunyuan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2012
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Gas Meter Digital Ammonia Nh3 Gas Alarm Detector

Gas Meter Digital Ammonia Nh3 Gas Alarm Detector

US $ 64-70 / Piece FOB
10 Pieces (MOQ)
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Shenzhen Sconda Intelligent Technology Co., Ltd

Guangdong, China Since 2024
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Explosion Proof Gas Analyzer 4 Gas Detector with Type-C USB Charger

Explosion Proof Gas Analyzer 4 Gas Detector with Type-C USB Charger

US $ 80-300 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Nanjing AIYI Technologies Co., Ltd.

Jiangsu, China Since 2017
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Gas Sensor Detector Alarm Detection Portable CH4 Gas Detector Methane Gas Detector

Gas Sensor Detector Alarm Detection Portable CH4 Gas Detector Methane Gas Detector

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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Compact Multi-Gas Detector for Large Warehousel and Industrial Use
Secured Trading Service

Compact Multi-Gas Detector for Large Warehousel and Industrial Use

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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16 in 1 Air Quality Detector Smart Aqi Monitor with RS485 WiFi

16 in 1 Air Quality Detector Smart Aqi Monitor with RS485 WiFi

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

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
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Digital Gas O3 Portable UV Dissolved Single Ozone Measuring Device Analyzer Detector Meter

Digital Gas O3 Portable UV Dissolved Single Ozone Measuring Device Analyzer Detector 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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Ms104K Handheld Multi-Gas Detection Device with User-Friendly Interface
Secured Trading Service

Ms104K Handheld Multi-Gas Detection Device with User-Friendly Interface

US $ 85-1,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Beijing Zetron Technology Co., Ltd

Trading Company

Beijing, China Since 2024
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Fixed Type Sil Certified Multi-Gas Detector IP68 with Wireless 4G
Secured Trading Service

Fixed Type Sil Certified Multi-Gas Detector IP68 with Wireless 4G

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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Silane Gas Detector Multi Gas Analyzer Gas Leakage Detector
Secured Trading Service

Silane Gas Detector Multi Gas Analyzer Gas Leakage Detector

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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Hydrogen Sulfide Gas Detector Displayed in English CE, RoHS, FCC H2s

Hydrogen Sulfide Gas Detector Displayed in English CE, RoHS, FCC H2s

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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Handheld 4 Gas Meter Tester LCD Gas Detector Monitor

Handheld 4 Gas Meter Tester LCD Gas Detector Monitor

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 Quality Detector Air Quality Meter Tvoc Meter with Pid Gas Sensor

Air Quality Detector Air Quality Meter Tvoc Meter with Pid Gas Sensor

US $ 418.78-1,992.5 / 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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Handheld Multi-Gas Detector Top Sensors for up to 5 Toxic and Flammable Gases Detection
Secured Trading Service

Handheld Multi-Gas Detector Top Sensors for up to 5 Toxic and Flammable Gases Detection

US $ 100-470 / 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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Industrial Use Pumping Type Ozone Leak Detector 0-1000 Ppm Handheld Multi-Gas Detector
Secured Trading Service

Industrial Use Pumping Type Ozone Leak Detector 0-1000 Ppm Handheld 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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Ms104K-L-Cocl2 Portable Phosgene Gas Detector with Pump Suction and Diffusion

Ms104K-L-Cocl2 Portable Phosgene Gas Detector with Pump Suction and Diffusion

US $ 228-380 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Beijing Zetron Technology Co., Ltd

Trading Company

Beijing, China Since 2024
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Mic500s Fixed Gas Detector for Mining Applications with Zero-Point Tracking and High Accuracy
Secured Trading Service

Mic500s Fixed Gas Detector for Mining Applications with Zero-Point Tracking and High Accuracy

US $ 300-3,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Beijing Zetron Technology Co., Ltd

Trading Company

Beijing, China Since 2024
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Sound Light Vibration 4-in-1 H2s Co 2o H2s Combustible Gas Detector"

Sound Light Vibration 4-in-1 H2s Co 2o H2s Combustible Gas Detector"

US $ 64-70 / 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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Multi Gas Detector Small Portable Multi Gas Detector Analyzer for Industrial Usage

Multi Gas Detector Small Portable Multi Gas Detector Analyzer for Industrial Usage

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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Wholesale Portable Gas Detector H1600 for Personal Safety

Wholesale Portable Gas Detector H1600 for Personal Safety

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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Ce Certificate Fixed Gas Detector CH4 Gas Leak Detector Gas Alarm

Ce Certificate Fixed Gas Detector CH4 Gas Leak Detector Gas Alarm

US $ 245-1,010 / 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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DC 24V AC 220V H2s Gas Detector Transmitter

DC 24V AC 220V H2s Gas Detector Transmitter

US $ 290-1,100 / 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?

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

    Discover the perfect addition to your Gas Sensor with our O2 Sensor.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 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.

Wholesale Portable 4 Gas Detector with City Sensor

Wholesale Portable 4 Gas Detector with City Sensor

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

Jiangsu, China Since 2017
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RS-FPC-N01 Explosion-Proof Industrial Gas Transmitter Gas Detector

RS-FPC-N01 Explosion-Proof Industrial Gas Transmitter Gas Detector

US $ 126.38-156 / 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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Handheld Single Gas Monitor for Detecting 0-100ppm Nh3 with Rechargeable Battery

Handheld Single Gas Monitor for Detecting 0-100ppm Nh3 with Rechargeable Battery

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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Hys2000 IP67/68 Device Portable 6-in-1 Gas Detector
Secured Trading Service

Hys2000 IP67/68 Device Portable 6-in-1 Gas Detector

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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High Sensitivity Sensor 4 In1 Portable Gas Detector

High Sensitivity Sensor 4 In1 Portable 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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Intelligent Precession Vortex Flowmeter Natural Gas Flow Meter Explosion-Proof Gas Biogas Liquefied Gas High Precision Aluminum Alloy Intelligent Precession Vor

Intelligent Precession Vortex Flowmeter Natural Gas Flow Meter Explosion-Proof Gas Biogas Liquefied Gas High Precision Aluminum Alloy Intelligent Precession Vor

US $ 499-2,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
WEIHAI KUNKE FLOW INSTRUMENT CO., LTD.

Shandong, China Since 2019
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Yunyi Steam Precession Water Gas Air Nitrogen LPG I2c RS485 Vortex Flowmeter

Yunyi Steam Precession Water Gas Air Nitrogen LPG I2c RS485 Vortex Flowmeter

US $ 230 / pieces FOB
50 pieces (MOQ)
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Audited Supplier
Xi'an Yunyi Instrument Co., Ltd.

Manufacturer/Factory

Shaanxi, China Since 2020
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High Sensitivity Portable Nitrogen Dioxide Gas Alarm Detector

High Sensitivity Portable Nitrogen Dioxide Gas Alarm Detector

US $ 220-300 / 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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High Precision 220V CO2 Gas Detector CO2 Gas Alarm Gas Detector

High Precision 220V CO2 Gas Detector CO2 Gas Alarm Gas Detector

US $ 670 / 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
Explosion-Proof Pocket Gas Leak Detector for Hydrogen Sulphide

Explosion-Proof Pocket Gas Leak Detector for Hydrogen Sulphide

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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0-100%Lel 0-5%Vol Portable LPG Gas Detector

0-100%Lel 0-5%Vol Portable LPG Gas Detector

US $ 99-450 / 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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Natural Gas Nitrogen Compressed Air Meter Stainless Steel Explosion-Proof
Secured Trading Service

Natural Gas Nitrogen Compressed Air Meter Stainless Steel Explosion-Proof

US $ 499-2,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
WEIHAI KUNKE FLOW INSTRUMENT CO., LTD.

Shandong, China Since 2019
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DIN35 Rail-Mounted 3kv Isolationtrue RMS to 0-5V 0-10V Signal Converter

DIN35 Rail-Mounted 3kv Isolationtrue RMS to 0-5V 0-10V Signal Converter

US $ 24.5 / 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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