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What are the parts of a combustible gas detector?

 What are the parts of a combustible gas detector?

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gas detector labelled parts, sensor, indicator, buttons,


gas detector plastic casing The hard plastic casing is the main body of the instrument and protects the electrical circuitry inside. They are generally ergonomically designed to fit in the hand and secure a good grip. There is sometimes a rubber texture to improve grip further.


gas detector sensor A gas detector’s sensor is generally small and usually protected by plastic or metal shielding.

For more information on how this works, see: {{widget type=”cms/widget_page_link” title=”How does a combustible gas detector work?” template=”cms/widget/link/link_inline.phtml” page_id=”3861″}}

gas detector with flexible wand


The sensor is usually located at the end of an extension from the main body of the tool. This may be a rigid piece but is often a flexible wand, allowing the sensor to be manoeuvred into areas that might otherwise be hard to access.


LED visual indicators on gas detector Gas detectors can have one or more indicator systems. The most common is a visual indicator, which often consists of LED lights. There can also be audible and/or vibration indicators to alert when gas is detected.


power button on gas detector


The power button switches the device on and off.

sensitivity buttons on gas detector


On gas detectors capable of testing at different sensitivities, there will usually be one or more button(s) to change between these settings.

turn on or off vibration or audio alerts on gas detector


As there are three different alert types – visual, audible and vibration – gas detectors with multiple alerts may have buttons to switch the different ones on or off.

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