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Should the linear heat sensor cable always be installed in direct contact with (or very close to) the equipment/risk it is protecting?

April 26, 2017cable contact equipment heat installed linear risk sensor

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Should the linear heat sensor cable always be installed in direct contact with (or very close to) the equipment/risk it is protecting?

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A. Unless it is the surface temperature of a specific piece of equipment that is considered to generate the major risk (i.e. motor bearing), there should always be a clear airflow around the heat sensor cable (except at regular sensor fixing/ support points). Surface contact – when not intended- can reduce response times because of the “heat sink” affect of that surface.