Mantern Industrial Co., Ltd.
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Fire Fighting Equipment 1km Manual Operated Siren 110dB Alarm Sound Level
Features:
Civil defense warning systems of cities all over the world.
Fire or accident warning systems of fatories, mining industry, residential or business area, public bulidings, forests, docks, and warehouses, etc.
Alarm systems for oil fields, airports, seaports, frontier defence, military bases, police statiions, jails, etc...
Warning systems for natural disasters of earthquake, tsunami, flood, etc...
Technical data:
| Style | Fixed |
| Sound pressure level | 110±2 dB(A) @ 1m |
| Audio frequency | 550±20 Hz (depending on the hand-shaking speed) |
| Material | aluminum alloy (in addition to the stand frame) |
| Net weight | 1.5 kg |
| Effective range | 1000 meters in diameter |
| Packing size | 186*186*170 mm |
