Gas Detectors & Gas Monitors

3,375 results

SITERWELL Carbon Dioxide (Co2) Alarm GS241T-H02 with Temperature & Humidity New
Brand new
£7.55
Free postage
Only 2 left
BW Gas Alert Microclip 4 Gas & Charger
Pre-owned · Honeywell
£285.00
£13.35 P&P
Click & Collect
Deta 1142 Carbon Dioxide(CO2) & Temperature Monitor- Mains Powered.
Brand new · Deta
£73.43
or Best Offer
£3.38 P&P
Air Quality Monitor with Formaldehyde Sensor – PM2.5, VOC, AQI & Temp Display
New (other)
£59.99
or Best Offer
Free postage
Click & Collect
Portable Combustible Natural Gas Propane Leak Detector LCD Tester Visual Leakage
Brand new
£32.26
Free postage
Click & Collect
New listingS&S Merlin CO Detector
New (other)
£31.88
(£31.88/Unit)
or Best Offer
£3.38 P&P
0 bids
6d 19h
Gas Leak Detector - Natural Gas Detector - Brand New - FREE DELIVERY
Brand new
£12.99
Free postage
Click & Collect
50 sold
GAS PRESSURE TEST POINT ADAPTOR TOOL SCREW IN BRASS JET WITH MANOMETER HOSE
Brand new
£14.95
(£14.95/Unit)
Free postage
Click & Collect
41 sold
Temtop LKC1000S+2nd Air Quality Monitor PM2.5, TVOC, Formaldehyde,AQI & Humidity
New (other)
(1)
£69.99
(£69.99/Unit)
or Best Offer
Free postage
Click & Collect
Only 1 left.
S&S Northern Merlin 2000X Gas Proving & Interlock System
Brand new
£521.78
or Best Offer
£4.26 P&P
Natural Gas Leak Detector, Plug-In Alarm for Home Kitchen & RV RRP £20
Brand new
£16.99
or Best Offer
Free postage
Click & Collect
Nitrogen (N₂) Gas Cylinder – 8L 200BAR FULL NEW
Brand new
£149.90
Free postage
18 watching
MSA Altair 4X (10110715) Multi-Gas Monitors/ With Charger…
Pre-owned · MSA
(3)
£280.00
or Best Offer
£15.00 P&P
Click & Collect
4 watching
The Dräger X-am 5600 Gas Detector with charger
Pre-owned · Drager
£363.68
or Best Offer
£5.88 P&P
BW GasAlert Quattro LEL(F)O2 H2S CO Gas Detector (Rechargeable Battery)
Pre-owned · BW Technologies
£67.15
or Best Offer
£3.38 P&P
BW Gas Alert Microclip 4 Gas Monitor
Pre-owned · Honeywell
£289.00
£15.00 P&P
Click & Collect
S&S Northern AVGTFT Merlin Carbon Dioxide (CO2) Gas Monitor
Brand new
£139.95
(£139.95/Unit)
Free postage
Click & Collect
Only 1 left.
Haloteck Gas Leak Detector Test Set kit 3AC35708 6665-99-658-8384 EX-MOD
Pre-owned
£40.00
or Best Offer
£7.95 P&P
Click & Collect
Guard-756 Portable, Rechargeable Oxygen Detector, 0.5s Fast Response, Dust Proof
Brand new
£62.50
or Best Offer
Free postage
Click & Collect
CEM DT-326 Indoor Air Quality CO2 Monitor - CO2, HUMIDITY, TEMP - FREE P&P
New (other)
(5)
£18.50
Free postage
Click & Collect
Temtop P20 PM2.5 Air Quality Monitor - Unboxed (New otherwise)
Brand new
£16.13
£2.94 P&P
0 bids
1d 23h
New listingHoneywell BW Solo Portable Single Gas Detector 02
Brand new · Honeywell
£57.88
£2.94 P&P
O2-A3 Oxygen Sensor O2 For Portable Gas Detectors Alphasense 4OX O2 Sensor
Brand new
£39.99
Free postage
Crowcon T4 Multi 4-Gas Detector with Cradle Charger-calibrated With Certificate.
Brand new · Crowcon
£208.68
or Best Offer
£4.26 P&P
Jenolite Gas Leak Detector Spray - Non-Flammable & Non-Corrosive - 400ml
Brand new
£17.99 to £25.99
Free postage
Click & Collect
Gas Detector Calibration Service Traceable Certified Stickered Gas Monitor
PLEASE READ CAREFULLY: THIS LISTING IS FOR A CALIBRATIO
Pre-owned
£55.00
or Best Offer
Free postage
Click & Collect
40 watching
MSA Gas Detector ALTAIR 4X Calibration Assembly With Cap & Tub & Connector
New (other) · MSA
£30.00
or Best Offer
£2.70 P&P
Combustible gas detector leak hydrogen propane methane Li-ion battery + charger
Brand new
£79.00
£11.90 P&P
Gasco Seeker MK2 in Perfect Working Order, Calibration In Date Till 31/3/26
Pre-owned
£516.68
or Best Offer
£4.26 P&P
Sewerin GAS LEAK DETECTOR Full Professional kit detection pro mint rrp£9995
Pre-owned
£1,049.00
or Best Offer
£14.05 P&P
GasAlert Microclip X3 4 Gas Monitor
Pre-owned · Honeywell
£170.20
£4.26 P&P
3 bids
1h 38m
Deta 1142 Carbon Dioxide (CO2) & Temperature Monitor (Mains Powered)
Brand new · Deta
£162.50
Free postage
Click & Collect
34 sold
ROTHENBERGER Rotest 4 Electronic Gas Leak Detector & Case - 1000003351
Brand new · Rothenberger
£192.54
Free postage
53 watching
BW GasAlert Microclip XL Multi-Gas Detector - Price Inc VAT
Brand new
£612.00
£9.50 P&P
Click & Collect
Combustible Gas Leak Detector with Audible and Visual Alarm
Pre-owned
£6.49
£2.94 P&P
SKC AIRCHECK SAMPLER MODEL 224-43XR x 2
Pre-owned
£229.48
or Best Offer
£7.27 P&P
Msa Altair 4X Gdu gas Detection charger
Pre-owned · MSA
£42.28
or Best Offer
£4.06 P&P
Only 1 left.
Honeywell BW Solo CLO2 Gas Detector Single Gas Monitor Personnel GDU Calibrated
Pre-owned
£64.99
or Best Offer
Free postage
Hayes 383 Combustible Gas Detector
Pre-owned
£104.68
or Best Offer
Free postage
Kane 100-1 Analyser Co And Co2 Detector . Working. Needs Calibrating
Pre-owned
£99.95
Free postage
Click & Collect
5 x Monument 175C U Gauge (Manometer) MON175 Job Lot BNIB
Brand new
£48.99
(£9.80/Unit)
Free postage
Click & Collect
2 watching
BW GasAlert Extreme Calibration Cap & Hose Adapter For Gas Detector GA-TC-1
Brand new
£12.99
or Best Offer
Free postage
Click & Collect
HONEYWELL / BW Ogygen O2 Sensor - MICROCLIP XT Quattro GAS ALERT Monitor
Brand new · Unbranded
£82.50
Free postage
Click & Collect
BW Gas Alert Monitor MICROCLIP XTcalibrated / Cert
Refurbished
£275.00
£15.00 P&P
Click & Collect
Proster Gas Leak Detector LPG Combustible Methane Natural Tester Pen Sound Alarm
Brand new
£23.95
Free postage
Click & Collect
33 sold
BW GASALERT MICROCLIP X3 BRAND NEW UNUSED FRENCH DIALOGUE EURO PLUG
New (other) · BW Technologies
£325.00
Free postage
Drager X-am 2000 Portable Gas Monitor with Charger & 2 x spare batteries
Pre-owned · Drager
£52.68
or Best Offer
£3.38 P&P
0 bids
22h 27m
Temtop Air Quality Monitor PM2.5 PM10 Particle Counter HCHO TVOC AQI Meters
Pre-owned
£59.99
(£59.99/Unit)
Free postage
Drager PAC 7000 O2 Personal Oxygen Monitor
Pre-owned · Drager
£57.87
£3.38 P&P
0 bids
4d
Honeywell Transmission Risk Air Monitor Indoor Quality Tester Professional
Brand new · Honeywell
(1)
£19.99
(£19.99/Unit)
Free postage
Click & Collect
Honeywell BW Icon+ Multi Gas Detector with charger
Pre-owned · Honeywell
£21.48
(£21.48/Unit)
£2.94 P&P
1 bid
3d 19h
Catureiss Multifunction Air Quality Detector Tester Meter Indoor Outdoor Vehicle
Brand new
£42.28
or Best Offer
£2.94 P&P
Click & Collect
KANE CP2 COMBUSTION PROBE (0725)
Pre-owned
£49.99
Free postage
Unitor/MSA air quality testing kit p/n:736660
New (other) · MSA
£893.88
(£893.88/Unit)
or Best Offer
Free postage
Honeywell Analytics Enforcer 2302B0650 99-433-0464
Pre-owned · Honeywell
£45.00
or Best Offer
£7.95 P&P
Click & Collect
Portable Air Quality Monitor with Formaldehyde Sensor, PM2.5/TVOC & Histogram
Brand new
£44.99
or Best Offer
Free postage
Click & Collect
Fixed Flow Regulator 1.0LPM Flow 70Bar 1000psi - Test Gas Bottles Gas Detectors
Pre-owned
£35.00
or Best Offer
Free postage
New listingTAYLOR SERVOMEX SYBRON CORPORATION Oxygen Analyser type OA 250
Pre-owned
£52.68
or Best Offer
£5.21 P&P
Temtop Air Quality Detector, PM2.5 PM10 Particle Monitor Professional LaserP-600
New (other)
£46.27
£2.94 P&P
Crowcon T3 Gas Detector Unit with Charging Cradle and Power Lead
Brand new · Crowcon
£63.08
or Best Offer
£3.38 P&P

Best selling

See all

GMI PS200 Multi 4 Gas Detector Monitor with Internal Pump
£160.00 New
£104.72 Used
SITERWELL Carbon Dioxide Alarm GS241T-H02
£4.00 New
MSA Altair 4x Multi Gas Monitor CH4/LEL/H2S/CO/O2 (10110715)
(3)
£48.00 New
£6.00 Used
Honeywell HTRAM-V1-W Transmission Risk Air Monitor
(1)
£19.99 New
£9.99 Used
Oppama Pulse Engin Tachometer PET-304 with Tracking# Japan
£59.99 New
Siterwell carbon Dioxide GS241T-H02 (Co2) alarm with temperature and humidity
(3)
£7.00 New
Arctic Hayes AH61 Gas Leak Detector ARCAH61
£30.00 New
RIDGID 36163 Micro CD-100 Combustible Gas Leak Detector - Black/Red
(11)
£133.99 New
£80.00 Used

Gas Detectors & Gas Monitors

Shop by category

3,375 results

SITERWELL Carbon Dioxide (Co2) Alarm GS241T-H02 with Temperature & Humidity New

BW Gas Alert Microclip 4 Gas & Charger

Deta 1142 Carbon Dioxide(CO2) & Temperature Monitor- Mains Powered.

Air Quality Monitor with Formaldehyde Sensor – PM2.5, VOC, AQI & Temp Display

Portable Combustible Natural Gas Propane Leak Detector LCD Tester Visual Leakage

New listingS&S Merlin CO Detector

Gas Leak Detector - Natural Gas Detector - Brand New - FREE DELIVERY

GAS PRESSURE TEST POINT ADAPTOR TOOL SCREW IN BRASS JET WITH MANOMETER HOSE

Temtop LKC1000S+2nd Air Quality Monitor PM2.5, TVOC, Formaldehyde,AQI & Humidity

S&S Northern Merlin 2000X Gas Proving & Interlock System

Natural Gas Leak Detector, Plug-In Alarm for Home Kitchen & RV RRP £20

Nitrogen (N₂) Gas Cylinder – 8L 200BAR FULL NEW

MSA Altair 4X (10110715) Multi-Gas Monitors/ With Charger…

The Dräger X-am 5600 Gas Detector with charger

BW GasAlert Quattro LEL(F)O2 H2S CO Gas Detector (Rechargeable Battery)

BW Gas Alert Microclip 4 Gas Monitor

S&S Northern AVGTFT Merlin Carbon Dioxide (CO2) Gas Monitor

Haloteck Gas Leak Detector Test Set kit 3AC35708 6665-99-658-8384 EX-MOD

Guard-756 Portable, Rechargeable Oxygen Detector, 0.5s Fast Response, Dust Proof

CEM DT-326 Indoor Air Quality CO2 Monitor - CO2, HUMIDITY, TEMP - FREE P&P

Temtop P20 PM2.5 Air Quality Monitor - Unboxed (New otherwise)

New listingHoneywell BW Solo Portable Single Gas Detector 02

O2-A3 Oxygen Sensor O2 For Portable Gas Detectors Alphasense 4OX O2 Sensor

Crowcon T4 Multi 4-Gas Detector with Cradle Charger-calibrated With Certificate.

Jenolite Gas Leak Detector Spray - Non-Flammable & Non-Corrosive - 400ml

Gas Detector Calibration Service Traceable Certified Stickered Gas Monitor

MSA Gas Detector ALTAIR 4X Calibration Assembly With Cap & Tub & Connector

Combustible gas detector leak hydrogen propane methane Li-ion battery + charger

Gasco Seeker MK2 in Perfect Working Order, Calibration In Date Till 31/3/26

Sewerin GAS LEAK DETECTOR Full Professional kit detection pro mint rrp£9995

GasAlert Microclip X3 4 Gas Monitor

Deta 1142 Carbon Dioxide (CO2) & Temperature Monitor (Mains Powered)

ROTHENBERGER Rotest 4 Electronic Gas Leak Detector & Case - 1000003351

BW GasAlert Microclip XL Multi-Gas Detector - Price Inc VAT

Combustible Gas Leak Detector with Audible and Visual Alarm

SKC AIRCHECK SAMPLER MODEL 224-43XR x 2

Msa Altair 4X Gdu gas Detection charger

Honeywell BW Solo CLO2 Gas Detector Single Gas Monitor Personnel GDU Calibrated

Hayes 383 Combustible Gas Detector

Kane 100-1 Analyser Co And Co2 Detector . Working. Needs Calibrating

5 x Monument 175C U Gauge (Manometer) MON175 Job Lot BNIB

BW GasAlert Extreme Calibration Cap & Hose Adapter For Gas Detector GA-TC-1

HONEYWELL / BW Ogygen O2 Sensor - MICROCLIP XT Quattro GAS ALERT Monitor

BW Gas Alert Monitor MICROCLIP XTcalibrated / Cert

Proster Gas Leak Detector LPG Combustible Methane Natural Tester Pen Sound Alarm

BW GASALERT MICROCLIP X3 BRAND NEW UNUSED FRENCH DIALOGUE EURO PLUG

Drager X-am 2000 Portable Gas Monitor with Charger & 2 x spare batteries

Temtop Air Quality Monitor PM2.5 PM10 Particle Counter HCHO TVOC AQI Meters

Drager PAC 7000 O2 Personal Oxygen Monitor

Honeywell Transmission Risk Air Monitor Indoor Quality Tester Professional

Honeywell BW Icon+ Multi Gas Detector with charger

Catureiss Multifunction Air Quality Detector Tester Meter Indoor Outdoor Vehicle

KANE CP2 COMBUSTION PROBE (0725)

Unitor/MSA air quality testing kit p/n:736660

Honeywell Analytics Enforcer 2302B0650 99-433-0464

Portable Air Quality Monitor with Formaldehyde Sensor, PM2.5/TVOC & Histogram

Fixed Flow Regulator 1.0LPM Flow 70Bar 1000psi - Test Gas Bottles Gas Detectors

New listingTAYLOR SERVOMEX SYBRON CORPORATION Oxygen Analyser type OA 250

Temtop Air Quality Detector, PM2.5 PM10 Particle Monitor Professional LaserP-600

Crowcon T3 Gas Detector Unit with Charging Cradle and Power Lead

Best selling

GMI PS200 Multi 4 Gas Detector Monitor with Internal Pump

SITERWELL Carbon Dioxide Alarm GS241T-H02

MSA Altair 4x Multi Gas Monitor CH4/LEL/H2S/CO/O2 (10110715)

Honeywell HTRAM-V1-W Transmission Risk Air Monitor

Oppama Pulse Engin Tachometer PET-304 with Tracking# Japan

Siterwell carbon Dioxide GS241T-H02 (Co2) alarm with temperature and humidity

Arctic Hayes AH61 Gas Leak Detector ARCAH61

RIDGID 36163 Micro CD-100 Combustible Gas Leak Detector - Black/Red

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