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The REMS 611095 Detect GS4 Set F is a compact electronic gas detector that sniffs out leaks of inflammable gases before they become dangerous. In plain terms: you carry it near pipework, fittings or installations and it warns you the moment it picks up butane, methane, propane or hydrogen in the air, getting more urgent the closer you get to the source. At just 214mm long and weighing only 78g, it's small and light enough to carry everywhere and a 200mm flexible extension fits onto it without tools, letting you reach right into tight or awkward spaces without having to get your hand in there too.
It's simple to use: switch it on and the detector automatically runs a quick calibration before it's ready to work. From there, it signals a gas leak with flashing status LEDs and a beeping tone, both of which speed up the closer you get to the source and a coloured LED (yellow, orange, then red) shows you how strong the reading is at a glance. The gas sensor itself is a quick-change, colour-coded plug-in unit, so if you ever need to detect a different gas, you can simply swap sensors rather than buying a whole new device. It switches itself off after 10 minutes of inactivity to save the battery. Backed by REMS's manufacturer warranty, extendable to 2 years with free registration at rems.de/service.
