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Honeywell icon gas - bw, +
£31.89
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Sulfide detector digital - sulfide,
£25.99
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Gas detector digital h2s - gas,
£23.99
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Digital h2s monitor - digital, with
£22.99
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Sulfide detector chnadks - sulfide,
£24.99
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Toptes guard 611 h2s - h2s, monitor
£34.45
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Honeywell icon gas - honeywell, bw
£165.00
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Honeywell flex4 gas - honeywell,
£52.69
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Guard 611 h2s monitor portable - guard-611,
£44.43
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Crowcon tetra gas - t3,
£26.99
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Crowcon tetra gas - 3,
£26.99
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Honeywell bwc3 h1010 single - honeywell,
£26.70
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Honeywell gasalertmicroclip - bw,
£208.70
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Honeywell flex4 gas - bw,
£88.40
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Crowcon tetra gas - crowcon,
£29.99
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Crowcon multi gas detector - t4,
£390.00
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Honeywell flex gas - bw,
£104.69
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Gasalert quattro gas - bw,
£165.00
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Crowcon triple plus - (x2),
£69.99
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Msa altair multi gas - multi,
£125.50
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Msa altair 4xr - altair, o2
£620.00
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Msa altair 4xr multi gas - msa,
£145.00
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Gasalert quattro gas - gasalert,
£179.99
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Toptes guard 122 gas - toptes,
£79.99
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Toxirae h2s gas - 3,
£14.99
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Gas detector rechargeable 4 - detector,,
£54.77
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Gasalert quattro gas - bw,
£89.99
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Blackline g7c multi - blackline, gas
£146.30
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Honeywell gasalert - honeywell,
£162.95
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Honeywell flex gas - bw,
£145.00
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Riken keiki rki type - keiki, gx-3r
£153.41
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Riken keiki portable - riken,
£155.49
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Landtec geotech biogas 5000 - geotech,
£4999.95
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Neotronics exotox gas monitor - gas,
£201.47
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Portable gas detector in 1 - detector,, 4
£37.10
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Riken keiki portable - riken,
£155.49
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Guard 633 h2s - h2s, detector,
£54.99
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Gas monitor multi - multi,
£69.22
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Gmi ps200 multi - gmi,
£271.10
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Gmi ps200 gas detector - ps200,
£350.00
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Zykycx gas monitor - gas,
£114.27
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Toptes guard 633 h2s detector - guard-633,
£76.62
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Honeywell icon gas - honeywell,
£10.80
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Portable multi gas - portable, 4-in-1
£57.90
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Msa altair portable - 5x,
£246.73
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Honeywell icon gas - honeywell, icon+
£52.69
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Toptes guard 633 h2s detector - toptes,
£63.10
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Portable gas detector clip - portable,
£103.18
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Gasalert quattro - bw,
£83.90
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Honeywell clip bwc1 h2s - bwc1-h,
£48.00
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Gasalert quattro - gasalert,
£83.90
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Uni multi gas detector - uni-t,
£106.93
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Honeywell flex4 gas detector - honeywell,
£120.00
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Microrae gas confined - microrae, space
£395.00
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Honeywell icon gas - bw, icon+
£93.69
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Gmi ps200 series - gmi,
£372.89
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Gasalert quattro gas - quattro,
£338.20
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Honeywell icon gas - icon+,
£42.82
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Crowcon gasman h2s - crowcon, monitor
£99.50
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Riken keiki portable gas - portable,
£363.70
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110x honeywell technologies - honeywell,
£3737.29
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Riken keiki single - riken,
£141.30
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Gasalert quattro - gasalert,
£125.50
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Riken keiki 2001 - riken,
£86.34
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Gmi ps200 gas - detector, h2s
£480.00
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Crowcon triple plus - crowcon,
£35.00
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Gmi ps200 gas detector h2s - gmi,
£150.00
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Riken keiki type - keiki, 4
£183.24
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Industrial scientific itrans - scientific,
£361.73
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Industrial scientific 7814635 - industrial,
£357.44
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Drager 2500 gas detection - drager, x-am
£480.00
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Gas detector o2 h2s co - 4,
£119.99
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Pem tech 902m ppm h2s - ppm,
£600.01
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Crowcon charger cradle - t3,
£29.99
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Pem tech 902m h2s monitor - pem-tech,
£4573.01
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Drager 2500 gas - 2500,
£239.89
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Riken keiki 8000 - keiki, gx-8000
£1122.59
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Detcon model 12b hydrogen - detcon,
£5866.53
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Honeywell icon gas - honeywell, bw
£70.00
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Detcon model hydrogen - detcon,
£179.56
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Senko mgt portable gas - portable, 4
£99.99
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Sierra monitor 4501 - sierra, 4x
£372.63
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Pemtech 902m h2s - pemtech, monitor
£914.95
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Multi gas detector portable - detector:,
£203.57
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Msa altair 4xr gas comb - 4-gas, comb/ex
£580.11
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Agas monitor co - in,
£67.80
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General monitors 51457 gas - 51457-1l,
£149.71
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Technologies clip bwc2 h - bw, bwc2-h
£133.40
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Crowcon triple plus - (x3), +
£29.99
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Senko mgt portable gas - portable,
£249.95
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Detcon model 12b - /, hs-12b
£148.32
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Technologies bwc2 bw clip - technologies,
£40.37
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H2s monitor with visual - h2s,
£67.86
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Pem tech 950b ppm - pem-tech, pt
£424.51
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Gc310 portable gasdetector - portable,
£275.00
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General monitors ta202a h2s - monitors,
£134.83
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Looking for more h2s monitor?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 h2s monitor listings currently in our index. Prices range from £10.8 to £5866.53, with an average of £369.61. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about h2s monitor →
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Whether you are looking for a brand-new or second-hand h2s monitor, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £10.8, while premium listings can reach £5866.53 — giving you a wide budget spread to work with. The average price of £369.61 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.