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it will automatically close whenever your fire alarm goes off
This mode is therefore equivalent to a standard optical detector
giving you a comprehensive solution for video intercom and surveillance needs
This combination is considered the optimum for most general applications since it offers good response to both flaming and smouldering fires
Apollo Discovery Multisensor Detector – 58000-700APO Snd 9-60V Dc it will automatically close wheneverApollo Discovery Multisensor Detector 58000 700APO The Discovery Multisensor Detector consists of optical smoke and thermistor temperature sensors which give both a combined signal as well as a separate heat signal for improved false alarm management. The Discovery Multisensor construction is similar to that of the optical detector but uses a different lid and optical mouldings to accommodate the thermistor (heat sensor). The Discovery Optical Heat
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