Gas Detectors & Monitors | Surplus Network

Industrial Scientific Ventis MX4 Multi-Gas Monitor w/ Charger.

Industrial Scientific Ventis MX4...

$105.00 USD

Industrial Scientific Ventis MX4...

$105.00 USD

MTI Industry 25-742BL Safe-T-Alert Carbon Monoxide Propane Leak Detector 2024

MTI Industry 25-742BL Safe-T-Alert...

$84.95

MTI Industry 25-742BL Safe-T-Alert...

$84.95

HABOTEST HT609 HT59 Natural Gas Propane Leak Detector Portable Tester Carbon

HABOTEST HT609 HT59 Natural Gas...

$12.99 USD

HABOTEST HT609 HT59 Natural Gas...

$12.99 USD

HABOTEST HT61 Gas Leak Detector Combustible Gas Tester Pen Natural Alarm Propane

HABOTEST HT61 Gas Leak Detector...

$12.99 USD

HABOTEST HT61 Gas Leak Detector...

$12.99 USD

HABOTEST HT59 Gas Detector Combustible Gas Leak Tester Pen Natural Gas Butane

HABOTEST HT59 Gas Detector...

$12.99 USD

HABOTEST HT59 Gas Detector...

$12.99 USD

Activate by 01/2025 BW Tech BWC2-H Single Gas Monitor Hydrogen Sulfide H2S

Activate by 01/2025 BW Tech BWC2-H ...

$84.99 USD

Activate by 01/2025 BW Tech BWC2-H ...

$84.99 USD

Vzmcov 4 In 1 Gas Monitor O2 CO H2S EX Handheld Detector Gas Analyzer Tester

Vzmcov 4 In 1 Gas Monitor O2 CO H2S...

$85.00 USD

Vzmcov 4 In 1 Gas Monitor O2 CO H2S...

$85.00 USD

INTELLIDOX DX-ENBL-NA Enabler

INTELLIDOX DX-ENBL-NA Enabler

$200.00 USD

INTELLIDOX DX-ENBL-NA Enabler

$200.00 USD

Portable Gas Leak Detector Tester Propane Methane Natural Gas Alarm Sensor Safe

Portable Gas Leak Detector Tester...

$12.00 USD

Portable Gas Leak Detector Tester...

$12.00 USD

Home Plug-in Digital Coal/Natural Gas Detector Combustible Gas Leak Alarm K7R6

Home Plug-in Digital Coal/Natural Gas...

$18.99 USD

Home Plug-in Digital Coal/Natural Gas...

$18.99 USD

Tourmate Hard Storage Case for TopTes PT199 Natural Gas Leak Detector (Only C

Tourmate Hard Storage Case for TopTes...

$18.99 USD

Tourmate Hard Storage Case for TopTes...

$18.99 USD

Mini Carbon Monoxide Detector,CO Monitor Alarm Detector complies with UL 2034

Mini Carbon Monoxide Detector,CO...

$5.00 USD

Mini Carbon Monoxide Detector,CO...

$5.00 USD

Portable Combustible Natural Gas Propane Leak Detector Tester Visual Leakage RV

Portable Combustible Natural Gas...

$19.90 USD

Portable Combustible Natural Gas...

$19.90 USD

VEVOR Gas Leak Detector Portable Combustible Natural Gas Propane Leak Tester AAA

VEVOR Gas Leak Detector Portable...

$29.49 USD

VEVOR Gas Leak Detector Portable...

$29.49 USD

Skc pocket Pump Touch 220-1000tc Only Unit

Skc pocket Pump Touch 220-1000tc Only...

$400.00 USD

Skc pocket Pump Touch 220-1000tc Only...

$400.00 USD

TopTes PT199 Gas Leak Detector Natural Gas Detector Audible Comes With Batteries

TopTes PT199 Gas Leak Detector...

$32.98 USD

TopTes PT199 Gas Leak Detector...

$32.98 USD

MSA Altair 5X Gas Detector Meter *Recently Calibrated and 30 Day Warranty*

MSA Altair 5X Gas Detector Meter...

$795.00 USD

MSA Altair 5X Gas Detector Meter...

$795.00 USD

Industrial Scientific Ibrid MX6 Gas Meter With Charger And Cover

Industrial Scientific Ibrid MX6 Gas...

$199.99 USD

Industrial Scientific Ibrid MX6 Gas...

$199.99 USD

BW Gas Alert Micro Clip XL Multi Gas Monitor Detector *Needs Calibration & O2*

BW Gas Alert Micro Clip XL Multi Gas...

$199.99 USD

BW Gas Alert Micro Clip XL Multi Gas...

$199.99 USD

Gas Detector Meter 4 in 1 Oxygen O2 Carbon Monoxide CO Ex Combustible Analyzer

Gas Detector Meter 4 in 1 Oxygen O2...

$59.84 USD

Gas Detector Meter 4 in 1 Oxygen O2...

$59.84 USD

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

PANGAEA Digital RV Propane Gas...

$22.99 USD

PANGAEA Digital RV Propane Gas...

$22.99 USD

Portable Combustible Natural Gas Propane Leak Detector Leakage Tester J8H7

Portable Combustible Natural Gas...

$22.99 USD

Portable Combustible Natural Gas...

$22.99 USD

Klein Tools ET120 Combustible Gas Leak Detector

Klein Tools ET120 Combustible Gas...

$72.99 USD

Klein Tools ET120 Combustible Gas...

$72.99 USD

MTI Industry 25-741-BL Safe-T-Alert Carbon Monoxide Propane Leak Detector

MTI Industry 25-741-BL Safe-T-Alert...

$71.99 USD

MTI Industry 25-741-BL Safe-T-Alert...

$71.99 USD

Fieldpiece SCM4 Handheld Digital Carbon Monoxide Detector Works

Fieldpiece SCM4 Handheld Digital...

$59.95 USD

Fieldpiece SCM4 Handheld Digital...

$59.95 USD

MOES Mini Carbon Monoxide Detector Portable Temp/Humi/CO Meter Travel Camping RV

MOES Mini Carbon Monoxide Detector...

$35.99 USD

MOES Mini Carbon Monoxide Detector...

$35.99 USD

Bacharach LEAKATOR 10 Combustible Gas Leak Detector 19-7051 New Opened Box

Bacharach LEAKATOR 10 Combustible Gas...

$147.99 USD

Bacharach LEAKATOR 10 Combustible Gas...

$147.99 USD

Kaiterra Sensedge Mini Commercial Air Quality Monitor New SE-200

Kaiterra Sensedge Mini Commercial Air...

$70.00 USD

Kaiterra Sensedge Mini Commercial Air...

$70.00 USD

Atmotube Pro Portable Outdoor and Indoor Air Quality Monitor Black. Open Box

Atmotube Pro Portable Outdoor and...

$70.00 USD

Atmotube Pro Portable Outdoor and...

$70.00 USD

Temtop M2000 Air Quality Monitor for PM2.5 PM10 Particles CO2 HCHO...

Temtop M2000 Air Quality Monitor for...

$70.00 USD

Temtop M2000 Air Quality Monitor for...

$70.00 USD

BW Gas Alert Max XTII Multi Gas Monitor Detector *Needs Calib. & O2 Sensor*

BW Gas Alert Max XTII Multi Gas...

$279.99 USD

BW Gas Alert Max XTII Multi Gas...

$279.99 USD

Klein Tools ET120 Combustible Gas Leak Detector New Open Box W/ Case

Klein Tools ET120 Combustible Gas...

$72.89 USD

Klein Tools ET120 Combustible Gas...

$72.89 USD

BW GAS ALERT Micro 5 PID Pump Module Untested GAS DETECTOR Takes AA Batteries

BW GAS ALERT Micro 5 PID Pump Module...

$49.99 USD

BW GAS ALERT Micro 5 PID Pump Module...

$49.99 USD

Plug-in Digital Natural Gas Detector Propane Gas Combustible Gas Leak Alarm K7R7

Plug-in Digital Natural Gas Detector...

$17.99 USD

Plug-in Digital Natural Gas Detector...

$17.99 USD

MSA Altair 5X Multigas Detector - 5 Gas - LEL O2 CO H2S SO2

MSA Altair 5X Multigas Detector - 5...

$1,600.00 USD

MSA Altair 5X Multigas Detector - 5...

$1,600.00 USD

HABOTEST HT601A Gas Leak Tester Combustible Natural Detector Gas Propane Leakage

HABOTEST HT601A Gas Leak Tester...

$33.99 USD

HABOTEST HT601A Gas Leak Tester...

$33.99 USD

Blackline Safety G7 Portable Gas Monitor Charger Charge Clip ACCLNSCLIP

Blackline Safety G7 Portable Gas...

$8.99 USD

Blackline Safety G7 Portable Gas...

$8.99 USD

BACHARACH Sling Psychrometer

BACHARACH Sling Psychrometer

$50.00 USD

BACHARACH Sling Psychrometer

$50.00 USD

Rae System Travel Charger Cradle For Multirae Lite Gas Detector M01-3021-000

Rae System Travel Charger Cradle For...

$50.00 USD

Rae System Travel Charger Cradle For...

$50.00 USD

Klein Tools ET120 Gas Leak Detector Combustible Gas Leak Tester 18", See Details

Klein Tools ET120 Gas Leak Detector...

$50.00 USD

Klein Tools ET120 Gas Leak Detector...

$50.00 USD

Denova Detect Natural Gas Alarm With Voice Alert

Denova Detect Natural Gas Alarm With...

$40.00 USD

Denova Detect Natural Gas Alarm With...

$40.00 USD

GASTEC DETECTOR TUBE 4L Tube, Hydrogen Sulfide, 1-250 PPM, 10 tubes.

GASTEC DETECTOR TUBE 4L Tube,...

$40.00 USD

GASTEC DETECTOR TUBE 4L Tube,...

$40.00 USD

AirKnight 9-in-1 Indoor Air Quality Monitor Indoor Portable CO2 Monitor Tested

AirKnight 9-in-1 Indoor Air Quality...

$69.95 USD

AirKnight 9-in-1 Indoor Air Quality...

$69.95 USD

Gas Clip MGC-S Multi Gas Clip Simple Gas Detector 4 Gas (END OF LIFE MESSAGE)

Gas Clip MGC-S Multi Gas Clip Simple...

$34.99 USD

Gas Clip MGC-S Multi Gas Clip Simple...

$34.99 USD

HABOTEST HT601A Gas Leak Detector Combustible Natural Gas Tester Propane Leakage

HABOTEST HT601A Gas Leak Detector...

$16.99 USD

HABOTEST HT601A Gas Leak Detector...

$16.99 USD

HONEYWELL BWC2-H BW CLIP SINGLE GAS DETECTOR H2S PRE-OWNED GOOD CONDITION

HONEYWELL BWC2-H BW CLIP SINGLE GAS...

$25.99 USD

HONEYWELL BWC2-H BW CLIP SINGLE GAS...

$25.99 USD

Temtop M2000C&P15 Air Quality Detector PM2.5 PM10 CO2 Particles Humidity Temp

Temtop M2000C&P15 Air Quality...

$25.99 USD

Temtop M2000C&P15 Air Quality...

$25.99 USD

BW Honeywell GasAlert MicroClip X3...

$325.00 USD

BW Honeywell GasAlert MicroClip X3...

$325.00 USD

CO2 Controller, Smart Outlet Carbon Dioxide Monitor for CO2 Regulators

CO2 Controller, Smart Outlet Carbon...

$119.00 USD

CO2 Controller, Smart Outlet Carbon...

$119.00 USD

OTODATA TM6030 Wireless Tank Monitor Battery Operated NEW

OTODATA TM6030 Wireless Tank Monitor...

$109.99 USD

OTODATA TM6030 Wireless Tank Monitor...

$109.99 USD

Calibration Gas Blend 0414 - ISC 4-Gas

Calibration Gas Blend 0414 - ISC 4-Gas

$203.00 USD

Calibration Gas Blend 0414 - ISC 4-Gas

$203.00 USD

Rupprecht & Patashnick Air Sampler Components Lot AS IS Parts

Rupprecht & Patashnick Air Sampler...

$310.40 USD

Rupprecht & Patashnick Air Sampler...

$310.40 USD

Testo 320 Flue Gas Analyzer Kit / Printer Nice See pictures! (62684)

Testo 320 Flue Gas Analyzer Kit /...

$549.99 USD

Testo 320 Flue Gas Analyzer Kit /...

$549.99 USD

GAS MONITOR CENTRAL UNIT CO2 Central Unit MK9 KIT 0328NUCO2

GAS MONITOR CENTRAL UNIT CO2 Central...

$199.00 USD

GAS MONITOR CENTRAL UNIT CO2 Central...

$199.00 USD

BACHARACH Sling Psychrometer

BACHARACH Sling Psychrometer

$35.00 USD

BACHARACH Sling Psychrometer

$35.00 USD

DSC WS4933 WIRELESS CO CARBON MONOXIDE SENSOR DETECTOR FIRE

DSC WS4933 WIRELESS CO CARBON...

$39.99 USD

DSC WS4933 WIRELESS CO CARBON...

$39.99 USD

Digital Natural Gas Leak Detector Alarm Gas Leak Monitor for Home Kitchen F7D9

Digital Natural Gas Leak Detector...

$17.09 USD

Digital Natural Gas Leak Detector...

$17.09 USD

Combustible Gas Leak LPG Natural Gas Detector Propane Alarm For RV Van Boat 12V

Combustible Gas Leak LPG Natural Gas...

$14.63 USD

Combustible Gas Leak LPG Natural Gas...

$14.63 USD

NEW! BWC2-H GasAlert Extreme Gas Monitor Detector H2S Hydrogen Sulfide 24 Months

NEW! BWC2-H GasAlert Extreme Gas...

$112.95 USD

NEW! BWC2-H GasAlert Extreme Gas...

$112.95 USD

BW Technologies BWC2-H BW Clip Single Gas H2S Monitor NOT ACTIIVATED

BW Technologies BWC2-H BW Clip Single...

$90.00 USD

BW Technologies BWC2-H BW Clip Single...

$90.00 USD

Fluke CO-220 Carbon Monoxide Tester

Fluke CO-220 Carbon Monoxide Tester

$90.00 USD

Fluke CO-220 Carbon Monoxide Tester

$90.00 USD

Testo 310 Residential Combustion Analyzer Kit Excellent Condition C1

Testo 310 Residential Combustion...

$424.99 USD

Testo 310 Residential Combustion...

$424.99 USD

Honeywell BW Icon Compliance Multi Gas (LEL IR/O2/H2S/SO2) ICON-WXHM-Y-NA Yellow

Honeywell BW Icon Compliance Multi...

$249.99 USD

Honeywell BW Icon Compliance Multi...

$249.99 USD

RAE MiniRAE 2000 PGM7600 Portable Gas Detector Meter System W/ Battery Pack

RAE MiniRAE 2000 PGM7600 Portable Gas...

$249.99 USD

RAE MiniRAE 2000 PGM7600 Portable Gas...

$249.99 USD

HABOTEST HT60 Gas Detector Combustible Gas Leak Tester Pen Natural Gas Methane

HABOTEST HT60 Gas Detector...

$13.99 USD

HABOTEST HT60 Gas Detector...

$13.99 USD

MSA Altair 4X Multigas Monitor Detector Meter O2,H2S,CO,LEL

MSA Altair 4X Multigas Monitor...

$129.98 USD

MSA Altair 4X Multigas Monitor...

$129.98 USD

Portable Gas Detector Gas 4 in 1 Gas Monitor Meter Tester Analyzer Rechargeable

Portable Gas Detector Gas 4 in 1 Gas...

$69.99 USD

Portable Gas Detector Gas 4 in 1 Gas...

$69.99 USD

Klein Tools ET110 Carbon Monoxide Meter

Klein Tools ET110 Carbon Monoxide Meter

$69.99 USD

Klein Tools ET110 Carbon Monoxide Meter

$69.99 USD

3015-3125 Charcoal Purge Filter Assembly with Push Fittings, Bacharach

3015-3125 Charcoal Purge Filter...

$69.99 USD

3015-3125 Charcoal Purge Filter...

$69.99 USD

Honeywell BW Clip 4 Gas Detection NOT EXPIRED *READ DESCRIPTION*

Honeywell BW Clip 4 Gas Detection NOT...

$22.00 USD

Honeywell BW Clip 4 Gas Detection NOT...

$22.00 USD

RAE Systems MiniRae 2000 Photoionization Gas Detector PGM7600 VOC Air Monitor

RAE Systems MiniRae 2000...

$299.99 USD

RAE Systems MiniRae 2000...

$299.99 USD

ORIGINAL & Brand New CITY CiTiceL...

$32.50 USD

ORIGINAL & Brand New CITY CiTiceL...

$32.50 USD

Gas Detector, 4 Gas Monitor H2S,O2,CO and LEL Multiple Indicator with Vibrati...

Gas Detector, 4 Gas Monitor H2S,O2,CO...

$137.95 USD

Gas Detector, 4 Gas Monitor H2S,O2,CO...

$137.95 USD

Plug-in Digital Natural Gas Detector Propane Gas Combustible Gas Leak Alarm

Plug-in Digital Natural Gas Detector...

$16.52 USD

Plug-in Digital Natural Gas Detector...

$16.52 USD

Industrial Scientific Ventis MX4 Multi-Gas Monitor w/ Charger

Industrial Scientific Ventis MX4...

$150.00 USD

Industrial Scientific Ventis MX4...

$150.00 USD

Temtop LKC-1000E Air Quality Detector Monitor PM 2.5 PM 10 HCHO AQI Monitor

Temtop LKC-1000E Air Quality Detector...

$89.99 USD

Temtop LKC-1000E Air Quality Detector...

$89.99 USD

Vehicle & Aircraft Carbon Monoxide CO 9ppm Forensics Detector NEW aviation

Vehicle & Aircraft Carbon Monoxide CO...

$89.99 USD

Vehicle & Aircraft Carbon Monoxide CO...

$89.99 USD

Techamor Y401 Natural Gas Detector Home Gas Alarm and Monitor 1 Pack NEW

Techamor Y401 Natural Gas Detector...

$17.00 USD

Techamor Y401 Natural Gas Detector...

$17.00 USD

RAE Systems Travel Charger / PC Communications Adapter M01-3021-000 w/o adapter

RAE Systems Travel Charger / PC...

$143.00 USD

RAE Systems Travel Charger / PC...

$143.00 USD

TopTes PT199 Gas Leak Detector Natural Gas Detector Audible Comes With Batteries

TopTes PT199 Gas Leak Detector...

$30.00 USD

TopTes PT199 Gas Leak Detector...

$30.00 USD

HONEYWELL BWC2-X GasAlert Clip Extreme Gas Monitor Detector O2 Oxygen 24 Months

HONEYWELL BWC2-X GasAlert Clip...

$24.99 USD

HONEYWELL BWC2-X GasAlert Clip...

$24.99 USD

Radon Gas Test Kit

Radon Gas Test Kit

$11.00 USD

Radon Gas Test Kit

$11.00 USD

Govee Smart Air Quality Monitor Indoor Air Quality Meter Temp Humidity H5106101

Govee Smart Air Quality Monitor...

$29.95 USD

Govee Smart Air Quality Monitor...

$29.95 USD

Temtop M2000 Air Quality Monitor PM2.5 PM10 CO2 Tester HCHO Temperature Humidity

Temtop M2000 Air Quality Monitor...

$137.99 USD

Temtop M2000 Air Quality Monitor...

$137.99 USD

RAE Systems MicroRAE PGM-2602 Diffusion Portable Gas Monitor Bluetooth/WIFI/GPS

RAE Systems MicroRAE PGM-2602...

$124.95 USD

RAE Systems MicroRAE PGM-2602...

$124.95 USD

MSA ALTAIR 4XR 10178557 Multigas Detector, (LEL, O2, H2S & CO), Charcoal case

MSA ALTAIR 4XR 10178557 Multigas...

$699.00 USD

MSA ALTAIR 4XR 10178557 Multigas...

$699.00 USD

Ecosense RD200 RadonEye, Home Radon Detector

Ecosense RD200 RadonEye, Home Radon...

$129.99 USD

Ecosense RD200 RadonEye, Home Radon...

$129.99 USD

HABOTEST HT601A HT609 Gas Leak Detector Combustible Gas Propane Natural Butane

HABOTEST HT601A HT609 Gas Leak...

$20.98 USD

HABOTEST HT601A HT609 Gas Leak...

$20.98 USD

SET OF 5 SKC 210-1002 Pocket Pump W/CHARGER

SET OF 5 SKC 210-1002 Pocket Pump...

$999.99 USD

SET OF 5 SKC 210-1002 Pocket Pump...

$999.99 USD

DRAEGER Battery Pack: DRAEGER, Repl Part, Battery Pack, for X-AM 2500, 8318704

DRAEGER Battery Pack: DRAEGER, Repl...

$100.00 USD

DRAEGER Battery Pack: DRAEGER, Repl...

$100.00 USD

AreaRAE PGM-5020 RDK, 2-Multi GAS Wireless (4 UNIT) DETECTOR/HOST KITS w/laptops

AreaRAE PGM-5020 RDK, 2-Multi GAS...

$2,000.00 USD

AreaRAE PGM-5020 RDK, 2-Multi GAS...

$2,000.00 USD

HABOTEST HT59 Gas Leak Detector Tester Propane Methane Natural Gas Alarm Safe

HABOTEST HT59 Gas Leak Detector...

$18.65 USD

HABOTEST HT59 Gas Leak Detector...

$18.65 USD

Portable Gas Leak Detector Tester Propane Methane Natural Gas Alarm Sensor Safe

Portable Gas Leak Detector Tester...

$11.99 USD

Portable Gas Leak Detector Tester...

$11.99 USD

GS2001 GASDOC RV Propane Gas Detector, Natural Gas Leak Detectors, DC 12V Corded

GS2001 GASDOC RV Propane Gas...

$19.99 USD

GS2001 GASDOC RV Propane Gas...

$19.99 USD

Techamor Natural Gas Detector and Propane Alarm Gas Leak Detector Natural Gas...

Techamor Natural Gas Detector and...

$35.19 USD

Techamor Natural Gas Detector and...

$35.19 USD

Gas Clip MGC-S Multi Gas Clip Simple, 4 Gas, 2 Year

Gas Clip MGC-S Multi Gas Clip Simple,...

$724.20 USD

Gas Clip MGC-S Multi Gas Clip Simple,...

$724.20 USD

ITI Qualitek / USON Q 196 Qualichek Leak Detector Kit

ITI Qualitek / USON Q 196 Qualichek...

$300.00 USD

ITI Qualitek / USON Q 196 Qualichek...

$300.00 USD

Gas alert micro5 AA battery pack

Gas alert micro5 AA battery pack

$25.00 USD

Gas alert micro5 AA battery pack

$25.00 USD

Knox Safety Carbon Monoxide Alarm 7200 Voice Alerts - White - New ⭐️H

Knox Safety Carbon Monoxide Alarm...

$16.95 USD

Knox Safety Carbon Monoxide Alarm...

$16.95 USD

RadonAway Short-Term Radon Test Kit for Air EXP: September 30, 2026

RadonAway Short-Term Radon Test Kit...

$9.95 USD

RadonAway Short-Term Radon Test Kit...

$9.95 USD