Shop by Department
We buy surplus in bulk. Click here to get a free valuation.
Sponsor Sign InBecome a Sponsor
Sponsor Sign InBecome a Sponsor

Gas Detectors & Monitors | Surplus Network

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

$12.50 USD

Portable Gas Leak Detector Tester...

$12.50 USD

HABOTEST HT59A Digital Natural Gas Leak Detector Alarm Gas Leak Monitor for Home
China
HABOTEST HT59A Digital Natural Gas...

$13.48 USD

HABOTEST HT59A Digital Natural Gas...

$13.48 USD

TopTes PT199 Gas Leak Detector Natural Gas Detector Audible Gas Sniffer w/Batery
USA
TopTes PT199 Gas Leak Detector...

$28.99 USD

TopTes PT199 Gas Leak Detector...

$28.99 USD

VEVOR Carbon Monoxide Detector 0-1000PPM CO Gas Leak Detector with Audible
USA
VEVOR Carbon Monoxide Detector...

$28.99 USD

VEVOR Carbon Monoxide Detector...

$28.99 USD

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

$28.99 USD

VEVOR Gas Leak Detector Portable...

$28.99 USD

Handheld Combustible Gas Leak Detector Sniffer Methane, LPG LNG Sewer Gas Tester
USA
Handheld Combustible Gas Leak...

$28.99 USD

Handheld Combustible Gas Leak...

$28.99 USD

DRAGER X-AM 2500 MULTI GAS DETECTOR WITH CHARGERS AND AC ADOPTER
USA
DRAGER X-AM 2500 MULTI GAS DETECTOR...

$199.00 USD

DRAGER X-AM 2500 MULTI GAS DETECTOR...

$199.00 USD

Smart Gas Leak Detector for Home Wifi Natural Gas Detector LCD Screen APP Alarm
USA
Smart Gas Leak Detector for Home Wifi...

$19.89 USD

Smart Gas Leak Detector for Home Wifi...

$19.89 USD

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

$26.00 USD

Gas Leak Detector Wifi for Home...

$26.00 USD

Portable Combustible Natural Gas Propane Leak Detector Tester Visual Leakage RV
USA
Portable Combustible Natural Gas...

$19.90 USD

Portable Combustible Natural Gas...

$19.90 USD

MSA ALTAIR 4X Multigas Monitor Detector
USA
MSA ALTAIR 4X Multigas Monitor Detector

$215.88 USD

MSA ALTAIR 4X Multigas Monitor Detector

$215.88 USD

HABOTEST HT609 HT59 Natural Gas Propane Leak Detector Portable Tester Carbon
China
HABOTEST HT609 HT59 Natural Gas...

$15.59 USD

HABOTEST HT609 HT59 Natural Gas...

$15.59 USD

Fieldpiece SCM4 Handheld Digital Carbon Monoxide Detector
USA
Fieldpiece SCM4 Handheld Digital...

$120.00 USD

Fieldpiece SCM4 Handheld Digital...

$120.00 USD

Fieldpiece SCM4 Handheld Digital Carbon Monoxide Detector
USA
Fieldpiece SCM4 Handheld Digital...

$120.00 USD

Fieldpiece SCM4 Handheld Digital...

$120.00 USD

Natural Gas Detector, Toptes PT177 Gas Leak Detector with Audible & Visual Alarm
USA
Natural Gas Detector, Toptes PT177...

$23.88 USD

Natural Gas Detector, Toptes PT177...

$23.88 USD

HABOTEST HT609 Digital Natural Gas Detector Propane Gas Combustible Gas Leak
China
HABOTEST HT609 Digital Natural Gas...

$15.85 USD

HABOTEST HT609 Digital Natural Gas...

$15.85 USD

Activate by 04/2025 BW Tech BWC2-H Single Gas Monitor Hydrogen Sulfide H2S
USA
Activate by 04/2025 BW Tech BWC2-H ...

$79.99 USD

Activate by 04/2025 BW Tech BWC2-H ...

$79.99 USD

NEW Klein Tools ET120 Combustible Gas Leak Detector / Brand New / Ships Fast!
USA
NEW Klein Tools ET120 Combustible Gas...

$79.99 USD

NEW Klein Tools ET120 Combustible Gas...

$79.99 USD

Atmotube Pro Portable Outdoor and Indoor Air Quality Monitor Black
USA
Atmotube Pro Portable Outdoor and...

$40.00 USD

Atmotube Pro Portable Outdoor and...

$40.00 USD

Gas Detector Bw Clip H2s
USA
Gas Detector Bw Clip H2s

$40.00 USD

Gas Detector Bw Clip H2s

$40.00 USD

NewCosMos ML-310 Natural Gas Detector
USA
NewCosMos ML-310 Natural Gas Detector

$40.00 USD

NewCosMos ML-310 Natural Gas Detector

$40.00 USD

Ecosense RD200 RadonEye, Home Radon Detector
USA
Ecosense RD200 RadonEye, Home Radon...

$89.99 USD

Ecosense RD200 RadonEye, Home Radon...

$89.99 USD

CO2 Controller, Smart Outlet Carbon Dioxide Monitor for CO2 Regulators -New
USA
CO2 Controller, Smart Outlet Carbon...

$83.00 USD

CO2 Controller, Smart Outlet Carbon...

$83.00 USD

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

$13.97 USD

Portable Gas Leak Detector Tester...

$13.97 USD

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

$16.99 USD

Tourmate Hard Storage Case for TopTes...

$16.99 USD

HONEYWELL BWC2-H BW CLIP PORTABLE SINGLE GAS DETECTOR ( ACTIVE BEFORE 1-MAR-25 )
USA
HONEYWELL BWC2-H BW CLIP PORTABLE...

$50.00 USD

HONEYWELL BWC2-H BW CLIP PORTABLE...

$50.00 USD

galaxy gas 3.3l vanilla cupckae
USA
galaxy gas 3.3l vanilla cupckae

$50.00 USD

galaxy gas 3.3l vanilla cupckae

$50.00 USD

Galaxy gas
USA
Galaxy gas

$50.00 USD

Galaxy gas

$50.00 USD

Honeywell BW Clip H2S Two-Year Gas Monitor Not Yet Activated NEW IN BOX
USA
Honeywell BW Clip H2S Two-Year Gas...

$50.00 USD

Honeywell BW Clip H2S Two-Year Gas...

$50.00 USD

Hard Storage Quality Case for TopTes PT199 Natural Gas Leak Detector (Only Case)
USA
Hard Storage Quality Case for TopTes...

$19.29 USD

Hard Storage Quality Case for TopTes...

$19.29 USD

Digital Radon Detector Airthings 2350 NEW! Free Ship!
USA
Digital Radon Detector Airthings 2350...

$47.49 USD

Digital Radon Detector Airthings 2350...

$47.49 USD

Industrial Scientific Ibrid MX6 Wall Charger, 18106971
USA
Industrial Scientific Ibrid MX6 Wall...

$59.00 USD

Industrial Scientific Ibrid MX6 Wall...

$59.00 USD

Hard Storage Quality Case for TopTes PT199 Natural Gas Leak Detector (Only Case)
USA
Hard Storage Quality Case for TopTes...

$15.49 USD

Hard Storage Quality Case for TopTes...

$15.49 USD

Carbon Monoxide Detector Indoor Air Quality Monitor HD10 Adjustable Brightness
USA
Carbon Monoxide Detector Indoor Air...

$19.99 USD

Carbon Monoxide Detector Indoor Air...

$19.99 USD

Techamor Y401 Natural Propane Gas Detector, Plug in Gas Leak Detector
USA
Techamor Y401 Natural Propane Gas...

$19.99 USD

Techamor Y401 Natural Propane Gas...

$19.99 USD

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

$75.99

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

$75.99

Ecosense EQ100 EcoQube WiFi connected Digital Radon Detector Remote Data access
USA
Ecosense EQ100 EcoQube WiFi connected...

$75.00 USD

Ecosense EQ100 EcoQube WiFi connected...

$75.00 USD

US Plug-In Digital Natural Gas Detector Propane Combustible Gas Leak Alarm N6R5
USA
US Plug-In Digital Natural Gas...

$18.99 USD

US Plug-In Digital Natural Gas...

$18.99 USD

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

$18.99 USD

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

$18.99 USD

Plug Digital Natural Gas Detector Home Propane Combustible Gas Leak Alarm U4H1
USA
Plug Digital Natural Gas Detector...

$18.99 USD

Plug Digital Natural Gas Detector...

$18.99 USD

Natural Gas Detector, Propane Detector, Methane LPG Natural Gas Alarm 4 Home RV
USA
Natural Gas Detector, Propane...

$35.99 USD

Natural Gas Detector, Propane...

$35.99 USD

Natural Gas Detector, Propane Detector, Methane LPG Natural Gas Alarm 4 Home RV
USA
Natural Gas Detector, Propane...

$35.99 USD

Natural Gas Detector, Propane...

$35.99 USD

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

$66.49 USD

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

$66.49 USD

HONEYWELL BW Clip Model BWC2-H, PORTABLE SINGLE GAS DETECTOR
USA
HONEYWELL BW Clip Model BWC2-H,...

$30.00 USD

HONEYWELL BW Clip Model BWC2-H,...

$30.00 USD

RKI INSTRUMENTS GX-2009 AIR ANALYZER w/Charging Station
USA
RKI INSTRUMENTS GX-2009 AIR ANALYZER...

$125.00 USD

RKI INSTRUMENTS GX-2009 AIR ANALYZER...

$125.00 USD

Gas Leak Detector | Combustibles | Red
USA
Gas Leak Detector | Combustibles | Red

$99.00 USD

Gas Leak Detector | Combustibles | Red

$99.00 USD

Rae Systems Case
USA
Rae Systems Case

$15.00 USD

Rae Systems Case

$15.00 USD

Temtop Air Quality Monitor PM2.5 AQI Monitor Real Time Display Air Test Gift P10
USA
Temtop Air Quality Monitor PM2.5 AQI...

$47.99 USD

Temtop Air Quality Monitor PM2.5 AQI...

$47.99 USD

OTODATA TM5030 Wireless Tank Monitor Battery Operated Propane NEW
USA
OTODATA TM5030 Wireless Tank Monitor...

$109.99 USD

OTODATA TM5030 Wireless Tank Monitor...

$109.99 USD

RIDGID Micro Cmbstible Gas Handheld Diag. Detector w/case #36163 CD-100
USA
RIDGID Micro Cmbstible Gas Handheld...

$109.99 USD

RIDGID Micro Cmbstible Gas Handheld...

$109.99 USD

Honeywell BW Clip BWC2-H Gas Detector New. Activation date 21-Sep-23. H2S
USA
Honeywell BW Clip BWC2-H Gas Detector...

$42.00 USD

Honeywell BW Clip BWC2-H Gas Detector...

$42.00 USD

Honeywell Sensepoint XRL Fixed Point Gas Detector SPLIF6BAXYNUZZ - NEW ~
USA
Honeywell Sensepoint XRL Fixed Point...

$549.95 USD

Honeywell Sensepoint XRL Fixed Point...

$549.95 USD

Combustible Natural Gas Propane Leak Detector Portable LCD Tester Visual Leakage
USA
Combustible Natural Gas Propane Leak...

$40.75 USD

Combustible Natural Gas Propane Leak...

$40.75 USD

Klein Tools ET120 Combustible Gas Leak Detector
USA
Klein Tools ET120 Combustible Gas...

$65.00 USD

Klein Tools ET120 Combustible Gas...

$65.00 USD

1EA - Gasco Flow 0.5 SLPM LPM UNF Gas Cylinder Regulator Gauge 0-1500PSI Winters
USA
1EA - Gasco Flow 0.5 SLPM LPM UNF Gas...

$79.00 USD

1EA - Gasco Flow 0.5 SLPM LPM UNF Gas...

$79.00 USD

Hard Storage Quality Case for TopTes PT199 Natural Gas Leak Detector (Only Case)
USA
Hard Storage Quality Case for TopTes...

$14.86 USD

Hard Storage Quality Case for TopTes...

$14.86 USD

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

$20.38 USD

HABOTEST HT61 Gas Leak Detector...

$20.38 USD

Blackline Safety G7 Portable Gas Monitor Charger Charge Clip ACCLNSCLIP
USA
Blackline Safety G7 Portable Gas...

$11.99 USD

Blackline Safety G7 Portable Gas...

$11.99 USD

SAF Aranet4 Home Wireless Indoor Air Quality Monitor
USA
SAF Aranet4 Home Wireless Indoor Air...

$154.95 USD

SAF Aranet4 Home Wireless Indoor Air...

$154.95 USD

Natural Gas Detector, Toptes PT177 Gas Leak Detector with Audible & Visual Alarm
USA
Natural Gas Detector, Toptes PT177...

$20.99 USD

Natural Gas Detector, Toptes PT177...

$20.99 USD

MSA Safety 10087913 Charger for Altair 4X and 5X Multi
USA
MSA Safety 10087913 Charger for...

$55.00 USD

MSA Safety 10087913 Charger for...

$55.00 USD

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

$32.00 USD

Gas Leak Detector Wifi for Home...

$32.00 USD

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

$56.10 USD

Gas Detector Meter 4 in 1 Oxygen O2...

$56.10 USD

HZXVOGEN Portable Gas Detector 4 Gas Monitor Meter Tester Analyzer Rechargeable
USA
HZXVOGEN Portable Gas Detector 4 Gas...

$80.00 USD

HZXVOGEN Portable Gas Detector 4 Gas...

$80.00 USD

Techamor Y401 Natural Gas Detector Home Gas Alarm and Monitor Propane Gas Det...
Puerto Rico
Techamor Y401 Natural Gas Detector...

$27.65 USD

Techamor Y401 Natural Gas Detector...

$27.65 USD

PILDEGRO HD05 3-in-1 Natural Gas Leak Detector Plug-in Combustible Gas Alarm
USA
PILDEGRO HD05 3-in-1 Natural Gas Leak...

$27.95 USD

PILDEGRO HD05 3-in-1 Natural Gas Leak...

$27.95 USD

Toptes PT760 Rechargeable Natural Gas Detector, Gas Leak Detector with 12-Inch E
USA
Toptes PT760 Rechargeable Natural Gas...

$26.05 USD

Toptes PT760 Rechargeable Natural Gas...

$26.05 USD

Rechargeable Carbon Monoxide Detector with LCD Screen and Temperature/Humidity
USA
Rechargeable Carbon Monoxide Detector...

$29.90 USD

Rechargeable Carbon Monoxide Detector...

$29.90 USD

Natural Gas Detector, Propane Detector, Methane LPG Natural Gas Alarm 4 Home RV
USA
Natural Gas Detector, Propane...

$24.99 USD

Natural Gas Detector, Propane...

$24.99 USD

Smart Gas Leak Detector Tuya Wifi Smart Natural Gas Leakage Alarm Led Sensor
China
Smart Gas Leak Detector Tuya Wifi...

$24.99 USD

Smart Gas Leak Detector Tuya Wifi...

$24.99 USD

2-PK 2.4V 1000mAh NICD HI-CAPACITY Battery for TIF 8800 Combustible Gas Detector
USA
2-PK 2.4V 1000mAh NICD HI-CAPACITY...

$26.95 USD

2-PK 2.4V 1000mAh NICD HI-CAPACITY...

$26.95 USD

MSA Altair 4X 5X Wall Charger Power Supply
USA
MSA Altair 4X 5X Wall Charger Power...

$45.00 USD

MSA Altair 4X 5X Wall Charger Power...

$45.00 USD

Aqara Zigbee TVOC Air Quality Sensor Monitor (AAQS-S01)
USA
Aqara Zigbee TVOC Air Quality Sensor...

$45.00 USD

Aqara Zigbee TVOC Air Quality Sensor...

$45.00 USD

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

$14.99 USD

Combustible Gas Leak LPG Natural Gas...

$14.99 USD

Gas Leak Detector Combustible Natural Co2 Flammable Alcohol LPG Methane Analyzer
USA
Gas Leak Detector Combustible Natural...

$14.99 USD

Gas Leak Detector Combustible Natural...

$14.99 USD

Casesack Protective Case for Klein Tools ET120 Gas Leak Detector
USA
Casesack Protective Case for Klein...

$25.90 USD

Casesack Protective Case for Klein...

$25.90 USD

Testo 310 Residential Combustion Analyzer Kit with Bright Backlit 2 Line Display
USA
Testo 310 Residential Combustion...

$500.00 USD

Testo 310 Residential Combustion...

$500.00 USD

Honeywell BW Technologies BW Clip Single Gas O2 Monitor - Dead Battery!!
USA
Honeywell BW Technologies BW Clip...

$19.98 USD

Honeywell BW Technologies BW Clip...

$19.98 USD

TESTO 320 FLUE GAS ANALYZER NEW OLD STOCK No Printer
USA
TESTO 320 FLUE GAS ANALYZER NEW OLD...

$330.00 USD

TESTO 320 FLUE GAS ANALYZER NEW OLD...

$330.00 USD

Multi Gas Clip MGC-IR Gas Detector Needs Calibration Working
USA
Multi Gas Clip MGC-IR Gas Detector...

$99.95 USD

Multi Gas Clip MGC-IR Gas Detector...

$99.95 USD

Fieldpiece SCM4 Carbon Monoxide Detector, 1-Pack Yellow, Black
USA
Fieldpiece SCM4 Carbon Monoxide...

$190.99 USD

Fieldpiece SCM4 Carbon Monoxide...

$190.99 USD

MSA Altair 4X Gas Detector Meter Only No Charger Calibrated
Canada
MSA Altair 4X Gas Detector Meter Only...

$350.00 CAD

MSA Altair 4X Gas Detector Meter Only...

$350.00 CAD

PT520B+Rechargeable Natural Gas Detector Gas Leak Detector with a 17-inch Pro...
USA
PT520B+Rechargeable Natural Gas...

$38.30 USD

PT520B+Rechargeable Natural Gas...

$38.30 USD

PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffe
USA
PT199 Natural Gas Leak Detector with...

$28.79 USD

PT199 Natural Gas Leak Detector with...

$28.79 USD

Natural Gas Detector Gas Leak Detector 12-Inch Gooseneck Gas Detector Large Disp
USA
Natural Gas Detector Gas Leak...

$52.95 USD

Natural Gas Detector Gas Leak...

$52.95 USD

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

$27.99 USD

Gas Leak Detector Wifi for Home...

$27.99 USD

UEI COA1 Carbon Monoxide Detector Smart Phone Adapter COA1
USA
UEI COA1 Carbon Monoxide Detector...

$15.99 USD

UEI COA1 Carbon Monoxide Detector...

$15.99 USD

Ecosense EQ100 EcoQube, WiFi connected Digital Radon Detector,Remote Data access
USA
Ecosense EQ100 EcoQube, WiFi...

$95.00 USD

Ecosense EQ100 EcoQube, WiFi...

$95.00 USD

Msa Safety Water Stop Filter,PK10 801582 Msa 801582
USA
Msa Safety Water Stop Filter,PK10...

$115.00 USD

Msa Safety Water Stop Filter,PK10...

$115.00 USD

SKC Leland Legacy Personal Sample Pump
USA
SKC Leland Legacy Personal Sample Pump

$216.00 USD

SKC Leland Legacy Personal Sample Pump

$216.00 USD

Honeywell BW Clip BWC2-X Single Gas Two-Year O2 Oxygen Monitor 2/24
USA
Honeywell BW Clip BWC2-X Single Gas...

$39.99 USD

Honeywell BW Clip BWC2-X Single Gas...

$39.99 USD

BW Gas Alert Micro Clip XL Multi Gas Monitor Detector Works Needs O2 Sensor
USA
BW Gas Alert Micro Clip XL Multi Gas...

$157.50 USD

BW Gas Alert Micro Clip XL Multi Gas...

$157.50 USD

HABOTEST HT61L Gas Detector Gas Leak Tester Pen Natural Butane Methane Propane
USA
HABOTEST HT61L Gas Detector Gas Leak...

$24.73 USD

HABOTEST HT61L Gas Detector Gas Leak...

$24.73 USD

FLUKE C0-220 Carbon Monoxide Meter - Free Shipping
USA
FLUKE C0-220 Carbon Monoxide Meter -...

$59.99 USD

FLUKE C0-220 Carbon Monoxide Meter -...

$59.99 USD

Heath Consultants RMLD-IS remote methane leak detector 101292-1
USA
Heath Consultants RMLD-IS remote...

$4,200.00 USD

Heath Consultants RMLD-IS remote...

$4,200.00 USD

Honeywell BW Technologies Gas Alert Micro 5 PID - Free Shipping
USA
Honeywell BW Technologies Gas Alert...

$69.99 USD

Honeywell BW Technologies Gas Alert...

$69.99 USD

New MSA ALTAIR 4XR Multigas Detector, LEL, O2, CO, H2S
USA
New MSA ALTAIR 4XR Multigas Detector,...

$550.00 USD

New MSA ALTAIR 4XR Multigas Detector,...

$550.00 USD

Natural Gas Detector, Toptes PT177 Gas Leak Detector with Audible & Visual Alarm
USA
Natural Gas Detector, Toptes PT177...

$23.75 USD

Natural Gas Detector, Toptes PT177...

$23.75 USD

RAD-0102 CO2 Safety Storage Alarm Monitor
USA
RAD-0102 CO2 Safety Storage Alarm...

$49.99 USD

RAD-0102 CO2 Safety Storage Alarm...

$49.99 USD

Yeezou Natural Gas Leak Sniffer Detector. Used Once!
USA
Yeezou Natural Gas Leak Sniffer...

$16.50 USD

Yeezou Natural Gas Leak Sniffer...

$16.50 USD