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Outdoor Industrial Lk-120 Emergency Signaling Apparatus Large Vertical Manual Hand Crank Alarm Siren
Outdoor Industrial Lk-120 Emergency Signaling Apparatus Large Vertical Manual Hand Crank Alarm Siren
Outdoor Industrial Lk-120 Emergency Signaling Apparatus Large Vertical Manual Hand Crank Alarm Siren
Outdoor Industrial Lk-120 Emergency Signaling Apparatus Large Vertical Manual Hand Crank Alarm Siren
Outdoor Industrial Lk-120 Emergency Signaling Apparatus Large Vertical Manual Hand Crank Alarm Siren
Outdoor Industrial Lk-120 Emergency Signaling Apparatus Large Vertical Manual Hand Crank Alarm Siren

Outdoor Industrial Lk-120 Emergency Signaling Apparatus Large Vertical Manual Hand Crank Alarm Siren

Min.Order: 1
Product origin: Wenzhou, Zhejiang, China
Infringement complaint: complaintComplaint
US$ 175 ~ 185

Description
Product Paramenters
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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