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.
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 | Honeywell BW Flex 4 Gas Detector 4 Gas Monitor LEL/H2S/CO/O2 GDU Honeywell BW Flex 4 Gas Detector 4 Gas Monitor LEL/H2S/CO/O2 GDU Calibration needed | £104.69 or make offer £2.96 delivery |
 | Crowcon T4x Portable 4-gas Detector. Good Condition The Crowcon T4x Portable 4-gas Detector is a high-quality gas detector or monitor designed and manufactured in the United Kingdom by the reputable brand Crowcon.... | £73.50 or make offer £3.38 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... | £175.00 Free delivery |
 | MSA Altair 4XR Gas Detector Calibrated 26/03/2026 Certified Pass inc vat Description: Brand: MSA Model: Altair 4XR Type: Gas Detector Calibration: Four Gas Detector Calibration Certification Date: 26/03/2026 Next Service Date: 22/09/2026 Test Result: Pass several... | £199.99 or make offer Free delivery |
 | BW Microclip X3 Multi-Gas Detector (Untested) The BW Microclip X3 Multi-Gas Detector, produced by bw power on goes through a cycle and switches off | £52.16 or make offer £2.94 delivery |
 | MSA Altair 4XR Multi-Gas Detector Bluetooth unit doesn't power on but has power when charging but sounds it's alarm. no idea what the problem is as it's how I received it.... | £104.70 £6.65 delivery |
 | Crowcon T4 Multi Gas Detector Calibrated Fully Functional The Crowcon T4 Multi Gas Detector is a reliable and calibrated gas detection device that can detect various gases with precision. Made by the reputable... | £104.69 £3.38 delivery |
 | BW GasAlert MicroClip XL Gas Detector -Used / Untested BW GasAlert MicroClip XL portable multi gas. Model: GasAlert MicroClip XL. and is sold as untested. Battery status. Condition: Used, with visible signs of wear.... | £63.10 or make offer £2.94 delivery |
 | Honeywell BW Ultra Gas Detector Black Version Honeywell BW Ultra gas detector fitted with O2, LEL, CO, and H2S modules. Tested working as shown. There is no fifth sensor, but one can... | £499.99 or make offer £4.26 delivery |
 | KANE-GLD450 Plus Combustible Gas Leak Detector Working well, under silver tape cracked pipe but all wireless didn’t damage | £23.81 or make offer £2.94 delivery |