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Mô tả sản phẩm
The DHA-1L, 2L line type heat detectors is pneumatic detectors when the ambient temperature increases in the event of fire, the volume of heated air also expands. Air-filled sensing tubes transmit this pressure increase to a sensor in the tube terminal processor. The system triggers an alarm as soon as a defined limit is exceeded. DHA-1L type is highest sensitivity.
SPECIFICATIONS
Type: Rate of Rise Line TypeModel: DHA-1L, 2LDetector Operation: Pneumatic Tub Type, Pneumatic Expansion TypeAlarm Current: 100mA @24VdcOperating Voltage: 8.5Vdc – 30VdcOperating Temp. Range: -10°C – 50°CPneumatic Tube length: 20m – 100m, The Outside Diameter: 2mm, The Inside Diameter 1.4mmMaterial Body .Cover: Modified PolycarbonateColor: White IvoryWeight: Approx. 400gCountry of Origin: JapanApproval: JFEIIAccessory: AK-M Pneumatic Tube (With Messenger Wire)
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