Second Hand Gas Detectors
Find a top selection of second hand gas detectors, devices used to detect and trace gas leaks. There are many different models available, with some able to trace leaks where pipework is not visible or in an enclosure. You can find them available to buy from sellers all around the UK.
We may be compensated for any purchases made
 | MSA Altair 4X Multi Gas Detector | With Charger Included ✅ MSA ALTAIR 4 in used condition but working fine. (Missing clip off back) last calibration was 16th July 2025 and comes with charger. Sold as... | £104.70 £3.38 delivery |
 | Gas Detector Calibration Service Certified Gas Monitors 6 month Calibration services all makes and models also cat & gennys calibrated please get in touch [email removed by eBay] | £55.00 Free delivery |
 | BW Micro Clip X3 Gas Detector O2/H2S/CO Ex Fleet H2S – 0 - 100ppm. H2S – 1ppm. Combustible Gases – 0-100% LEL / 0.5% v/v. The BW Gas Alert Micro Clip X3 is an... | £339.00 Free delivery |
 | MSA Altair 4X Multi Gas Detector | With Charger Included ✅ Hello 👋 Here we have another one of our lovely auctions. This one cosists of: MSA Altair 4x Multi Gas Detector 🕵️♂️ Uo to -40... | £156.60 or make offer Free delivery |
 | MSA Altair 4X Multi Gas Detector | With Charger Included ✅ Used in very good condition. Will require new calibration. Turns on lights up goes through its process and charges . Comes with charging station Thanks... | £125.50 £4.26 delivery |
 | BW GasAlert Quattro Gas Detector 4 Gas Monitor LEL/H2S/CO/O2 Calibrated GDU Unit BW GasAlert Quattro -4 Gas Detector. LEL / Carbon Monoxide / Hydrogen Sulphide / Oxygen. With Backlit LCD screen, easily identify current gas levels for... | £129.99 or make offer Free delivery |
 | Honeywell BW Ultra Multi Gas Detector 5 Gas - LEL/H2S/CO/O2/CO2 (IR) Calibrated LEL - 0 - 100% LEL / 1% LEL. LEL / Carbon Monoxide / Hydrogen Sulphide / Oxygen / Carbon Dioxide (Infrared). H2S - 0... | £179.99 or make offer Free delivery |
 | BW GasAlert Extreme HCB Gas Detector Hydrogen Cyanide Single Gas Monitor Tested Easy to use & can easily be fitted to users clothing or belt using alligator clip on the rear case. Sensor range. HCN 0-30 ppm.... | £29.99 or make offer Free delivery |
 | Crowcon Gas Pro PID T4 Gas Detector In used condition, will need charging. No charger supplied. | £63.10 or make offer £3.38 delivery |
 | Gas Detector Calibration Service Certified Traceable Stickered Gas Monitor Fully traceable. Using certified gas standard. We can also change O2 sensors in many gas detectors. Orcus Safety Ltd. | £55.00 or make offer Free delivery |