Detectors

NSD-Gas Detector with Flame Proof 12/24 volt operatedLPG/PNG alarm, adopting high quality electrochemical gassensor and advanced technology, has the advantage of goodstability and long life span. The installation method can betap-top, ceiling hung and wall mounted.Easy to installation and operate. When the gas concentrationin the air reaches the presetting alarming level, the detectorwill give audio(extranal) …

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Smoke detector/heat detectors are using for detecting the Smoke/heat in earlystage of fire .Early detection & prevention of fire is best way of protection beforeit goes to disaster level. Keeping that point in focus National Security Devices(NSD)present heat, smoke & multi detectors .Detectors from National Security Devices are made with Virgin ABS plastic body ,best …

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