Sirine Manual LK-120 NEW!
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Sirine Manual LK-120 NEW!
Spesifikasi
- Product name : Hand crank alarm
- Product model : LK-120
- Acoustic audio : 600±20Hz (depending on hand cranking speed)
- Audio frequency : 600 ± 20 Hz (depending on hand-crank speed)
- Sound level : 1252dB(A)@1m
Application areas: An ideal alarm equipment used by civil defense.military,detention centers, prisons, mines, airports, pastures,oil depots, warehouses, hotels, hotels and other enterprises inthe event of a critical situation
Alarm principle: The hand-cranked siren is manually rotated bythe crank handle, accelerated step by step through thetransmission of the gear box, and then driven by the transmissionblock to drive the ringing wheel to run at high speed. During thehigh-speed operation of the whistling wheel, the absorbed airproduces high-speed and high-pressure squeezing out to the fixedwindow of the fixed wheel at the same time, thereby playing therole of alarm.
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