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    • Gas Detectors & Gas Monitors

    Gas Detectors & Gas Monitors

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    9,662 Results

      • MSA
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      • All Listings filter applied
    • Draeger 6406320 CMS Chip Trichloroethylene, 5 - 100 ppm
      SPONSORED

      Draeger 6406320 CMS Chip Trichloroethylene, 5 - 100 ppm

      C $56.26
      or Best Offer
    • Portable Combustible Natural Gas Propane Leak Detector Tester Visual Leakage RV
      SPONSORED

      Portable Combustible Natural Gas Propane Leak Detector Tester Visual Leakage RV

      C $37.21 to C $47.52
      C $19.50 shipping
      177 sold
    • PANGAEA Digital RV Propane Gas Detector with Loud 85dB Alarm 12vDC, LED Display
      SPONSORED

      PANGAEA Digital RV Propane Gas Detector with Loud 85dB Alarm 12vDC, LED Display

      C $55.24 to C $56.53
    • Air Quality Monitor TVOC HCHO CO2 PM2.5 Digital Temperature Humidity Tester
      SPONSORED

      Air Quality Monitor TVOC HCHO CO2 PM2.5 Digital Temperature Humidity Tester

      C $45.26
      Was: C $47.64
      C $2.58 shipping
    • New Date Code O2-A2 Alphasense Oxygen Sensor

      New Date Code O2-A2 Alphasense Oxygen Sensor

      C $43.77
      C $5.79 shipping
    • New Date Code AO2 Oxygen Sensor PTB-18.10 UK CITY

      New Date Code AO2 Oxygen Sensor PTB-18.10 UK CITY

      C $63.10
      C $5.79 shipping
    • Multi Gas Clip Infrared Pump MGC-IR H2S, CO, O2, LEL WORKS CALIBRATION DUE READ!

      Multi Gas Clip Infrared Pump MGC-IR H2S, CO, O2, LEL WORKS CALIBRATION DUE READ!

      C $296.16
    • 12.6v Li-ion Battery Charger / UK Adaptor

      12.6v Li-ion Battery Charger / UK Adaptor

      C $4.36
      C $20.60 shipping
      or Best Offer
      140 sold
    • Tuya Smart Natural Gas Detector WiFi Plug In Wall APP Alarm

      Tuya Smart Natural Gas Detector WiFi Plug In Wall APP Alarm

      C $28.20
      Free shipping
      38 sold
    • CY-12C Oxygen Concentration Tester Meter Detector Analyzer Oxygen Purity Tester

      CY-12C Oxygen Concentration Tester Meter Detector Analyzer Oxygen Purity Tester

      C $141.29
      Was: C $148.73
      Free shipping
      or Best Offer
    • SKC Airchek 2000 210-1002 Programmable Air Sampler Pump w Plug In Cord

      SKC Airchek 2000 210-1002 Programmable Air Sampler Pump w Plug In Cord

      C $117.18
      8 bids
      C $28.48 shipping
      Ending Thursday at 21:09 EDT2d 12h
    • RAE Systems MultiRAE Plus PGM50-5P Gas Monitor (4 Gas Plus PID)  095-517363

      RAE Systems MultiRAE Plus PGM50-5P Gas Monitor (4 Gas Plus PID) 095-517363

      C $96.58
      or Best Offer
      Only 1 left!
    • O2-A2 Oxygen Sensor 4OX type for BW MSA GMI Gas Detectors/Portable Gas Monitors

      O2-A2 Oxygen Sensor 4OX type for BW MSA GMI Gas Detectors/Portable Gas Monitors

      C $79.20
      C $47.40 shipping
      4 watching
    • Temtop P10 Air Quality Monitor PM2.5 AQI Monitor Real Time Display Air Tester
      SPONSORED

      Temtop P10 Air Quality Monitor PM2.5 AQI Monitor Real Time Display Air Tester

      4 out of 5 stars (1)1 product ratings - Temtop P10 Air Quality Monitor PM2.5 AQI Monitor Real Time Display Air Tester
      C $105.58
      or Best Offer
      92 sold
    • Drager Accuro gas Detector Pump  NEW Free shipping
      SPONSORED

      Drager Accuro gas Detector Pump NEW Free shipping

      C $171.26
      Was: C $180.28
      Free shipping
      or Best Offer
      Only 1 left!
    • RAE AreaRAE Multiple Gas Detector Monitor CALIBRATED 8/2020
      SPONSORED

      RAE AreaRAE Multiple Gas Detector Monitor CALIBRATED 8/2020

      C $257.53
      C $67.22 shipping
    • RAE Systems Gas Detector P/N C03-0912-002           (3-E)

      RAE Systems Gas Detector P/N C03-0912-002 (3-E)

      C $57.95
      C $24.74 shipping
      or Best Offer
    • MC2-FPCB1 BW GasAlertMicro Clip XT /XL Replacement Flex PCB for Oxygen O2 Sensor

      MC2-FPCB1 BW GasAlertMicro Clip XT /XL Replacement Flex PCB for Oxygen O2 Sensor

      C $26.78
      Was: C $33.48
      Free shipping
      52 sold
    • Drager Pac 8000 Ammonia Gas Detector NH3 Personal Portable Monitor Brand New

      Drager Pac 8000 Ammonia Gas Detector NH3 Personal Portable Monitor Brand New

      C $285.15
      C $51.84 shipping
      or Best Offer
    • RKI Instruments Gx-2009 4 Gas Monitor (lel O2 H2s Co)

      RKI Instruments Gx-2009 4 Gas Monitor (lel O2 H2s Co)

      C $79.84
      24 bids
      C $35.21 shipping
      Ending Today at 16:19 EDT7h 15m
    • Very Clean RKI GX-6000 Multi 6-Gas Monitor Detector CH4, O2, HS2, CO, BNZ, VOC

      Very Clean RKI GX-6000 Multi 6-Gas Monitor Detector CH4, O2, HS2, CO, BNZ, VOC

      C $1,030.10
      C $72.51 shipping
      or Best Offer
    • Oxygen Concentration Purity Tester O2 Concentration Meter Monitor Detector CY12C

      Oxygen Concentration Purity Tester O2 Concentration Meter Monitor Detector CY12C

      C $111.98
      Free shipping
      or Best Offer
    • MSA Altair 5X, Monochrome Screen, Calibrated

      MSA Altair 5X, Monochrome Screen, Calibrated

      C $1,158.92
      C $43.24 shipping
    • 66703 Fast Charge Battery Pack For GMI PS500 Portable Gas Detector Monitor

      66703 Fast Charge Battery Pack For GMI PS500 Portable Gas Detector Monitor

      C $79.20
      C $47.40 shipping
      or Best Offer
    • Draeger Aerotest Simultan HP - As new - Oil, CO2, CO, H2O Drager

      Draeger Aerotest Simultan HP - As new - Oil, CO2, CO, H2O Drager

      C $1,027.94
      Only 1 left!
    • ORIGINAL & Brand New Alphasense Oxygen Sensor O2-A2

      ORIGINAL & Brand New Alphasense Oxygen Sensor O2-A2

      5 out of 5 stars (2)2 product ratings - ORIGINAL & Brand New Alphasense Oxygen Sensor O2-A2
      C $43.38
      C $5.15 shipping
      3,122 sold
    • Scott Safety 3M Protege ZM Gas Monitor Oxygen O2 Detector Alarm 2 Year Life

      Scott Safety 3M Protege ZM Gas Monitor Oxygen O2 Detector Alarm 2 Year Life

      C $79.20
      C $31.69 shipping
    • O2-A2 Oxygen Sensor for BW Technologies Gas Detectors. March-2022. US Seller

      O2-A2 Oxygen Sensor for BW Technologies Gas Detectors. March-2022. US Seller

      C $90.13
      C $17.11 shipping
    • Temtop LKC-1000S+ Air Quality Detector PM2.5 Tester PM10 HCHO TVOC AQI Monitor
      SPONSORED

      Temtop LKC-1000S+ Air Quality Detector PM2.5 Tester PM10 HCHO TVOC AQI Monitor

      4.5 out of 5 stars (6)6 product ratings - Temtop LKC-1000S+ Air Quality Detector PM2.5 Tester PM10 HCHO TVOC AQI Monitor
      C $217.61
      C $64.39 shipping
      or Best Offer
      268 sold
    • Crowcon T4 Cradle Charger and Multi Region Power Supply
      SPONSORED

      Crowcon T4 Cradle Charger and Multi Region Power Supply

      C $76.04
      C $47.53 shipping
      or Best Offer
      Only 1 left!
    • Smart Air Quality Monitor CO2 Detector Gas Test Meters Carbon Dioxide Grow Tents
      SPONSORED

      Smart Air Quality Monitor CO2 Detector Gas Test Meters Carbon Dioxide Grow Tents

      C $76.61
      Was: C $90.13
      C $6.44 shipping
      or Best Offer
    • MicroRAE 4 Gas Confined Space Monitor (ATEX) LEL / H2S / CO / O2 - Li-ion / BLE
      SPONSORED

      MicroRAE 4 Gas Confined Space Monitor (ATEX) LEL / H2S / CO / O2 - Li-ion / BLE

      C $570.33
      C $47.53 shipping
      or Best Offer
    • Maxtec Handi Handheld+ Oxygen Analyser Monitor, New Warranty, UK Stock

      Maxtec Handi Handheld+ Oxygen Analyser Monitor, New Warranty, UK Stock

      C $388.14
      C $35.69 shipping
      or Best Offer
      19 sold
    • New MSA Sensing Head 802657, 473693 Sealed Factory Bag

      New MSA Sensing Head 802657, 473693 Sealed Factory Bag

      C $320.64
      C $23.18 shipping
      Only 1 left!
    • M40 Multi-Gas Monitor

      M40 Multi-Gas Monitor

      C $40.00
      0 bids
      C $25.00 shipping
      Ending Friday at 18:19 EDT3d 9h
      or Buy It Now
    • Fluke CO-220 Carbon Monoxide Tester, Excellent, Case

      Fluke CO-220 Carbon Monoxide Tester, Excellent, Case

      C $222.76
      C $27.79 shipping
    • Riken Keiki FI-21 Gas Indicator Monitor w/ Absorption Tube and Hoses

      Riken Keiki FI-21 Gas Indicator Monitor w/ Absorption Tube and Hoses

      C $3,219.19
    • Syris SCIENTIFIC VTS1000 Charger Base

      Syris SCIENTIFIC VTS1000 Charger Base

      C $257.08
      Free shipping
    • Novar Refrigerant Gas Leak Detection Panel w/ Honeywell P2WK-P - New
      SPONSORED

      Novar Refrigerant Gas Leak Detection Panel w/ Honeywell P2WK-P - New

      C $740.39
      C $145.42 shipping
      or Best Offer
    • Fixed Flow Gas Regulator 0.5 Lpm - For BW GasAlert Micro / Micro5 / MicroClip XT
      SPONSORED

      Fixed Flow Gas Regulator 0.5 Lpm - For BW GasAlert Micro / Micro5 / MicroClip XT

      C $175.77
      21 watching
    • Bar 97 High Calibration Gas (Blend Code 35)

      Bar 97 High Calibration Gas (Blend Code 35)

      C $166.11
      C $63.95 shipping
    • Lot of 2 Sensit LMD Laser Methane Detector *Untested*

      Lot of 2 Sensit LMD Laser Methane Detector *Untested*

      C $5,780.48
      C $222.45 shipping
      or Best Offer
    • Gas Leak Detector Wifi for Home Natural Gas Leak Detector LCD Screen APP Alarm

      Gas Leak Detector Wifi for Home Natural Gas Leak Detector LCD Screen APP Alarm

      C $38.63
      Free shipping
      7 watching
    • MSA 10116926 Altair 5X Gas Detector Industrial Kit - LEL, O2, CO, H2S, used

      MSA 10116926 Altair 5X Gas Detector Industrial Kit - LEL, O2, CO, H2S, used

      C $256.25
      0 bids
      C $28.57 shipping
      Ending Friday at 20:32 EDT3d 11h
    • MSA Altair 5X 5 gas air monitor, used

      MSA Altair 5X 5 gas air monitor, used

      C $320.64
      0 bids
      C $30.08 shipping
      Ending Wednesday at 19:34 EDT1d 10h
    • SELL.New O2-A2 Oxygen Sensor for BW Technologies Alphasense 1pcs Oxygen Analyzer

      SELL.New O2-A2 Oxygen Sensor for BW Technologies Alphasense 1pcs Oxygen Analyzer

      C $48.95
      0 bids
      Free shipping
      Ending 4 Jul at 23:16 EDT6d 14h
    • Tuya Smart Combustible Wifi Gas Leak Detector W/ Temperature Sensor LCD Display.

      Tuya Smart Combustible Wifi Gas Leak Detector W/ Temperature Sensor LCD Display.

      C $34.50 to C $34.76
      Free shipping
      11 sold
    • Honeywell Model E3SRMN02 Surface Mount NO2 Remote Sensor - New In Box

      Honeywell Model E3SRMN02 Surface Mount NO2 Remote Sensor - New In Box

      C $95.00

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