There alarm fire alarm device audible alarm when the battery voltage is lower than the first voltage limit. 火灾报警器还包含对周围光敏感的传感器及当周围光低于预定亮度极限值时抑制声告警的装置. Fire alarm device further comprises a sensor sensitive to ambient light and sound alarm suppression when ...
Alarm SPL ≥85db@3m Low battery alarm voltage ≤7.6V Battery Life ≥1 Year Indicator Normal: blinking Alarm: lighting Temperature range -10 to 50°C (14~122°F) Materials and colors ABS, white Weight About 120g Packaging and delivery ...
Fire Alarm System 9V Battery Smoke Alarm Detector US$3.00-5.00 1 Piece (MOQ) Product Details Customization: Available Type: Smoke Detectors Anti-Theft Alarm System Type: Sound and Light Alarm Start Order Request Contact Supplier Chat Shipping & Policy Shipping Cost: Contact the supplier...
Battery 3V Lithium Battery Output Sound & LED Indicator Sound Output 85dB/3m Operating Voltage 3V Lithium Battery Static Current 8ua Alarm Current 35mA Alarm Output Sound & Flash Alarm Installation Ceiling Mounted Sensitivity 1.8%FT±0.8%FT ...
Low battery mode When the battery voltage below threshold, the red LED will flash once every 32 seconds with a sound of "chrip". Fault mode If the alarm detection signal decays below threshold, the alarm chirp occurs without LED flashes every 32 seconds. Test m...
Anti-Theft Alarm System-Wide Standalone Fire Alarm Anti-Theft Alarm System Distance Common Detectors Types of Smoke Detectors Photoelectric Smoke Style Infrared Sensor Probe Type Inclination Sensor Infrared Sensor Installation Ceiling Color White Battery 3V Lithium Batte...
2.2 Loud sound warning 2.3 LED indicator 2.4 No wire connection(easy to install) 2.5 Automatic alarm for low battery voltage 2.6 Compatible with the latest EN-14604 standards Detail parameter: item Standalone Wireless Wifi Smoke Detector AW-D611W ...
* It has EVACUATE button to start a manual fire alarm immediately. * It has battery low protection function, when battery voltage lower than 21VDC, battery will be cut off automatically until the mains power is on. * It has an optional GSM module for fire alarm b...
Low battery alarm 2.5V±0.1V Buzzer Lever ≥85dB RF 433.92Mhz Interconnected smoke detector Can be connect 50 pcs (operation) Alarm Sound: >85dB/3M Wireless interconnection frequency:433MHz Wireless transmitting distance:...
Fire detector silenceable low battery pre-alarm 专利名称：Fire detector silenceable low battery pre-alarm 发明人：Gilbert Alain Lindsay Garrick,Marie Jeanette Corinne Garrick 申请号：US09/155620 申请日：19980929 公开号：US06081197A 公开日：20000627 专利内容由知识产权出版社提供 摘要：A method of ...