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车内烟雾探测器 PSD-7157D

品牌: Fenwal
产地:
参考标准:
测试报告:

说 明 书:

  • 使用温度范围: 0℃ - 49 ℃
    类型:离子式 (另外可提供光电式烟雾探测器)
    说明:光电式烟雾探测器对黑烟不灵敏,而离子式烟雾探测器受烟雾颜色变化的影响较小,这是由他们的探测原理差异决定的。对于离子式烟雾探测器,当烟雾进入离子室后,会改变空气电离后的离子数量,从而改变电离室的电流。而光电式烟雾探测器是利用烟雾对光的散射作用,其灵敏度和烟雾离子的直径有关。一般来说,黑烟容易吸收光并减弱对光的散射,导致其输出值不能正确反映烟雾浓度。

    PSD-7157.jpg

  • 代码型号描述
    Detector Heads - Ionization Smoke
    70-540000-001CPD-7054Ionization   Advanced Smoke Detector (cULus)
    70-540000-002CPD-7054DIonization Advanced Smoke   Detector (cULus)
    Detector Heads - Photoelectric Smoke
    71-570000-001PSD-7157Photoelectric   Advanced Smoke Detector (cULus)
    71   -570000-002PSD-7157DPhotoelectric Advanced Smoke   Detector (cULus)
    Detector Heads - Heat
    70-520000-001THD-7052135oF Fixed Heat Detector,   15oF Rate of   Rise (cULus)
    70-530000-001THD-7053135oF Fixed Heat Detector (cULus)
    Detector Bases
    70-501000-0012-WIRE2-Wire Standard   Base
    70-501000-0022WRLT2-Wire Base with Remote LED   & Test Capabilities
    70-501000-0052WRB2-Wire Base with Auxiliary   Relay, Remote LED & Test Capabilities
    70-501000-1014WRB4-Wire Base with Auxiliary   Relay, Remote LED & Test Capabilities
    70-500000-0042WRMSpare 2-Wire Relay Module
    70-500000-1024WRMSpare 4-Wire Relay Module
    Detector Accessories
    06-117883-001
    Test Magnet
    29-116788-001
    EOL Supervisory Relay
    70-200000-911RA-911Remote Alarm Indicator
    70-200000-914RA-914Remote Alarm Indicator with   Smoke Detector Test Switch
    70-500000-003DST-003Advanced Handheld Wireless Smoke   Detector Sensitivity Tester
    70-501000-003MA-001Mechanical Retrofit Adapter


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