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Heavy-Duty Hand Crank Siren with Stand

China Heavy-Duty Hand Crank Siren with Stand, Find details about China Siren, Alarm from Heavy-Duty Hand Crank Siren with Stand

Model NO.
LK-120
Transmission Mode
Wireless
Alarm Volume (within 1m)
120dB
Receive Frequency
600Hz
Trademark
LION KING
Transport Package
Carton
Specification
Effective Range: 1.5km in diameter
Origin
China
HS Code
8479899990
Model NO.
LK-120
Transmission Mode
Wireless
Alarm Volume (within 1m)
120dB
Receive Frequency
600Hz
Trademark
LION KING
Transport Package
Carton
Specification
Effective Range: 1.5km in diameter
Origin
China
HS Code
8479899990
LK-120 is a heavy-duty hand-cranked sounder that does not require power support. It is mounted on a steel stand. But the stand is dismountable and can be folded up for easy carrying. It was widely used as an air defense siren in the war years, and now it is mostly used for various emergency and disaster warning. People have many different names for it, for example, hand crank siren, manual air raid siren, manual siren, fire warning siren,flood warning siren, etc.
No electric power required
Aluminum alloy body
Strong and compact structure for portability
Powerful sound
Universally recognised signal
Shutter mechanism to provide a choice of signals
Now LK-120 is widely used in factories, schools, troops, forests, military camps, air defense, mountain rescue, coastal defense, fire protection, prisons, reservoirs, ships, mines, ranches, gas stations, airports, shopping malls, hotels, etc. for emergency warning, and warning for various natural disasters such as floods. It can effectively provide timely early warning to reduce losses of people's lives and property.
LK-120 includes a handle, a gear speed increasing mechanism, a clutch slider, a stator wheel, a rotor wheel, a sound window cover, a gear box, and a box frame. The handle is connected to the driving shaft of the gear speed increasing mechanism, and the output shaft of the gear increasing mechanism is connected with the clutch sliding block by a pin, and the clutch sliding block is connected with the flange of the impeller by friction transmission. The purpose is to provide power by shaking the handle to make the alarm send out an alarm signal, the sound level depends on the speed of the hand. So, it doesn't need electric power support.
Sound Rating: 120±2dB(A) @1M
Output Frequency: 600±20Hz
Effective Range: 1.5km in diameter
Material: mainly made of aluminum alloy
Net Weight: 9Kg
Carton Size: 45x37x58CM
Heavy-Duty Hand Crank Siren with Stand
Heavy-Duty Hand Crank Siren with Stand
Heavy-Duty Hand Crank Siren with Stand

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