Smoke detector/heat detectors are using for detecting the Smoke/heat in early
stage of fire .Early detection & prevention of fire is best way of protection before
it 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 quality of brass/ stainless Steel parts & advanced microprocessor based SMD
mounting technology. Microprocessor technology is well Proven method of fast ,
accurate , long life & versatile for Various kind of environment.
1:-Optical (photoelectric) Detector.
2:-Heat Detector.
3:-Multi Criteria Detector.
4:-Battery Operated Detector.