Mantern Industrial Co., Ltd.
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Compact Manual Hand Operated Siren Alarm Fire Fighting Appliances For Emergency
Brief introduction:
Manual alarm without power supply, but can provide an effective alarm in the place that without power supply.Simply shake the handle clockwise through artificial hand, speed arrive junior (50-80 rev / min) can achieve the desired effect alarm,the sound sharp,shocking large, penetrating power.Alarm sound depends on the handle speed of shaking.
It is an ideal Alarm equipment when Civil defense,military, detention centers,prisons,mines,airports,pastures,oil depots,warehouses, hotels,restaurants and other business units Critical situation occurs.
Handcranked siren small size,light weight,easy to carry,easy to install,does not require any tools, Only need 0.15 square and where people stood can normal operation ,the mobility of the job is very strong.
Specifications:
| Style | protable |
| 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 |
