The GRF202 analogue addressable thermal detector is the same of the GRF200, except for the detection that is not with the optical principle, but thermal. A thermistor, situated in the centre of the detector, supervises ambient temperature with low thermal inertia, allowing the product to achieve the EN54/5 A1R, A1, and BS class detector.
EN54-5A1R EN54-5BS
approved by BSI
KM 966626
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