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    Smoke Alarms

    Smoke alarms are an integral element in commercial and domestic safety. Able to detect fires and warn inhabitants, a smoke alarm is the most effective way to ensure fire safety and awareness in a way that doesn't rely on human detection.

    The RS range of smoke detectors and fire detection equipment has dependable models from leading brands such as Siemens, FireHawk Safety Products, Eaton and First Alert smoke alarms. In addition to this we also sell Smoke detector testers.

    Ionization Smoke Detection

    The most common form of smoke sensors is those that rely on ionization. With a special ionized sensor chamber, these alarms sound when smoke particles interrupt the airflow in that sensing chamber. Therefore, as soon as smoke particles get near the smoke alarm, it will sound. Though this makes them vulnerable to false alarms from everyday kitchen activities, they remain one of the most effective tools in fire detection and are believed to respond more swiftly to fast flaming fires than optical smoker detectors.

    Optical Smoke Detection

    Optical smoke detectors use a pulsing LED in a sensing chamber. When smoke enters this chamber the LED light is reflected and triggers the alarm. Optical smoke detectors are considered to react more swiftly to smouldering fires and trigger fewer false alarms due to cooking smoke and bathroom steam than ionization versions.

    Heat Detection

    Some fire alarms rely on the detection of heat rather than smoke to identify fire. Heat detectors have a heat sensitive element that responds to either a 'rate-of-rise' in temperature, or to a fixed temperature. Rate-of-rise (ROR) detectors measure a sudden increase in temperature, but often also have a fixed temperature that they will respond to. As heat detectors don't rely on smoke, they are used in areas where air particles might interfere with a smoke detectors correct operation, such as kitchens or laundry rooms.

    Battery or Hard-Wired Fire Detection System

    Battery operated smoke detector alarms are very common and cost effective. Because they are independent of any wiring, they can be installed almost anywhere. Their primary disadvantage is that they may run out of battery, but most models will contain a low battery warning or a battery testing button, allowing you to make sure they are always in working order. Many manufacturers recommend changing the batteries of a smoke alarm over a fixed schedule, such as every six months or one year, to ensure full confidence in their operation.

    Hard-wired detector smoke, optical and heat types are wired into the mains and are more common in commercial properties. They have the advantage of never running out of batteries, and though they rely on a mains power feed, they are equipped with battery backups in the event of a power cut.

    Smoke Alarms can help support a healthy building by improving Safety & Security.

    "

    52 Produkter som visas för Smoke Alarms

    Varje
    222,57 kr
    FireAngel Safety Technology Limited
    -
    Smoke Detector
    3V dc
    Wireless
    FA6611
    85dB
    -
    -
    ABS Plastic
    -
    -
    • RS-artikelnummer 431-953
    • Tillv. art.nr FA3820-EUX10
    Varje
    392,87 kr
    FireAngel Safety Technology Limited
    -
    Smoke Detector
    3V dc
    Wireless
    FA3322
    85dB
    -
    -
    ABS Plastic
    -
    -
    • RS-artikelnummer 740-8066
    • Tillv. art.nr 5TC1296
    Varje
    554,40 kr
    Siemens
    -
    Smoke Detector
    230 V, 9 V
    -
    DELTA reflex
    85dB
    -
    -
    -
    -
    -
    • RS-artikelnummer 183-7316
    • Tillv. art.nr HA300CBUK
    Varje
    116,56 kr
    First Alert
    -
    Thermistor Smoke Detector
    9V dc
    -
    -
    85dB
    -
    -
    -
    105mm
    55 mm
    • RS-artikelnummer 123-5774
    • Tillv. art.nr FHB150 Midi
    Varje
    134,62 kr
    FireHawk Safety Products
    Piezo Alarm
    Smoke Detector
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 431-964
    • Tillv. art.nr FA6813-EU-T2
    Varje
    458,37 kr
    FireAngel Safety Technology Limited
    -
    Smoke Detector
    3V dc
    Wireless
    FA6813
    85dB
    -
    -
    ABS Plastic
    -
    -
    • RS-artikelnummer 123-5777
    • Tillv. art.nr FHH10
    Varje
    283,25 kr
    FireHawk Safety Products
    Power Indicator
    Heat Detector
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 264-5663
    • Tillv. art.nr FHN450BB
    Varje
    269,15 kr
    FireHawk Safety Products
    Power Indicator
    Heat Detector
    -
    -
    FHN450
    85dB
    -
    -
    -
    -
    -
    Varje
    248,77 kr
    FireAngel Safety Technology Limited
    -
    Smoke Detector
    3V dc
    Wireless
    FA6720
    85dB
    -
    -
    ABS Plastic
    -
    -
    • RS-artikelnummer 123-5779
    • Tillv. art.nr FHH10W
    Varje
    812,98 kr
    FireHawk Safety Products
    Power Indicator
    Heat Detector
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Varje
    523,87 kr
    FireAngel Safety Technology Limited
    -
    Smoke Detector
    3V dc
    Wireless
    SCB10
    85dB
    -
    -
    ABS Plastic
    -
    -
    Varje
    523,87 kr
    FireAngel Safety Technology Limited
    -
    Smoke Detector
    3V dc
    Wireless
    FP1014W2
    85dB
    -
    -
    ABS Plastic
    -
    -
    • RS-artikelnummer 431-951
    • Tillv. art.nr FA3322-EUX10
    Varje
    523,87 kr
    FireAngel Safety Technology Limited
    -
    Smoke Detector
    3V dc
    Wireless
    FA3322
    85dB
    -
    -
    ABS Plastic
    -
    -
    • RS-artikelnummer 230-0840
    • Tillv. art.nr EFXN632
    Varje
    280,45 kr
    Eaton
    -
    Heat Detector
    -
    Wired
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 287-1545
    • Tillv. art.nr 820613
    Varje
    357,03 kr
    Jo-El Electrical
    -
    Ionisation Detector
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 230-0833
    • Tillv. art.nr EFBWOPTDET
    Varje
    212,35 kr
    Eaton
    Power Indicator
    Optical Detector
    15 → 35V dc
    Wired
    -
    -
    -
    -
    ABS, PC
    -
    -
    • RS-artikelnummer 264-5664
    • Tillv. art.nr FHN450RB
    Varje
    417,21 kr
    FireHawk Safety Products
    Power Indicator
    Heat Detector
    -
    -
    FHN450
    85dB
    -
    -
    -
    -
    -
    • RS-artikelnummer 524-5961
    • Tillv. art.nr RM1100
    Varje
    306,88 kr
    ABUS Security-Center
    -
    Heat Detector
    12V dc
    -
    -
    -
    -
    -
    PC
    100mm
    46 mm
    • RS-artikelnummer 123-5775
    • Tillv. art.nr FHB155 Midi
    Varje
    157,37 kr
    FireHawk Safety Products
    Piezo Alarm
    Smoke Detector
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS-artikelnummer 230-0837
    • Tillv. art.nr EFXN525
    Varje
    237,66 kr
    Eaton
    -
    Heat Detector
    -
    Wired
    -
    -
    -
    -
    -
    -
    -
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