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<title><![CDATA[EC21 Product Catalogs - alarm security systems]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/alarm_security_systems--340412/1/alarm security systems.html]]></link><item>
<title><![CDATA[Tanda Conventional Reflective Optical Beam Smoke Detector Beam Detector Relay Output]]></title><link><![CDATA[https://hsfire.en.ec21.com/Tanda_Conventional_Reflective_Optical_Beam--8815140_10595454.html]]></link><description><![CDATA[Alarm Systems BS 5839 Part 1:2002
Specification 
Operating Voltage 20 V to 28 V DC 
Current Parameters Standby:23mA Commission:40µA Alarm:33mA
Beam Sensor Sensitivity [via Encoder] Level 1: 2.6 dB H]]></description><pubDate><![CDATA[20250221]]></pubDate></item>
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<title><![CDATA[Wireless Alarm]]></title><link><![CDATA[https://lisa277529.en.ec21.com/Wireless_Alarm--1525649_1525684.html]]></link><description><![CDATA[system disarm�; during alarming, it can identify detector automatically and transmit alarm info to receiving alarm telephone, like � fire alarm�, � gas larm�, � security alarm�, �help]]></description><pubDate><![CDATA[20060920]]></pubDate></item>
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<title><![CDATA[Smart Wireless Smoke Sensor]]></title><link><![CDATA[https://yingxintek.en.ec21.com/Smart_Wireless_Smoke_Sensor--9611768_9611954.html]]></link><description><![CDATA[security
Working voltage: 9V (6F22)
Operating frequency: 315MHz
Static current: &lt;10uA
Transmitting power: 10mW
Current when alarm: 20-30mA
Output form: output open-circuit when on guard,outputshort-c]]></description><pubDate><![CDATA[20150730]]></pubDate></item>
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<title><![CDATA[Smoke Detector Adressable Fire Alarm Wire Smoke Alarm]]></title><link><![CDATA[https://shunantech.en.ec21.com/Smoke_Detector_Adressable_Fire_Alarm--5200730_10794385.html]]></link><description><![CDATA[alarm when the smoke concentration exceeds the alarm threshold more than 3 times consecutively. This mode applies to the system debugging installation phase or test phase. 
Mode 2: Intelligent respon]]></description><pubDate><![CDATA[20180809]]></pubDate></item>

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