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Fire Aluminum Alloy Hand Crank Alarm Siren

China Fire Aluminum Alloy Hand Crank Alarm Siren, Find details about China Hand Siren, Portable Alarm from Fire Aluminum Alloy Hand Crank Alarm Siren

Model NO.
LK100
Transmission Mode
Wireless
Alarm Volume (within 1m)
≥110dB
Receive Frequency
>550
Trademark
FORWRAD
Transport Package
Carton Box
Specification
190*190*170
Origin
Hebei
HS Code
8531100000
Model NO.
LK100
Transmission Mode
Wireless
Alarm Volume (within 1m)
≥110dB
Receive Frequency
>550
Trademark
FORWRAD
Transport Package
Carton Box
Specification
190*190*170
Origin
Hebei
HS Code
8531100000

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Fire Aluminum Alloy Hand Crank Alarm Siren

Product Parameters
Place of OriginBotou,hebei,china
Brand NameForward
Model NumberLK-100 Hand Operated Siren
StylePortable
Sound level    dB(A) 1M110±2
Output  Frequency (HZ)500±20
Transmission Distance 1000m
MaterialAluminum Alloy 
Net weight1.5kg
ColorAs picture color
MOQ1PCS
Packaging DetailsCarton package or as your requirement for Hand Operated Siren
UsageAlarm device,Civil defence siren
Busniess Type Manufacturer
Market worldwide
 Product Description
1.Define
  Alarms including hand alarm, electric alarm , each  place for emergency warning,  only hand alarm without power support, powered by turning a crank issued a warning  signal effectively. Sound speed depends on the handle moved. Baffle the shutter  mechanism is set in the sound window, can select the sound intensity signal, quickly  closed the window, blocking, produce different signals.
2 . principle of working
Driven by turning a crank wheel at high speed, when the wheel turns, into the air  from the side of the tuyere wheel, high speed and high pressure to set the wheel on  absorption of air of resonance in the window of the base and at the same time.
3.Using range
Water conservancy, flood control, reservoir, civil defense, forces, fire control, prisons, mining, gas stations, ships, airport, plains, pasture, forest farms, factories, schools,  hotels, hotel and open barracks, the mountain rescue the enterprises and institutions,  etc.
4.Product features
Without the power support, compact structure, removable, light weight, easy to carry,  sound intensity can be adjusted and produce different signals, low frequency, wide  scope of application, etc

Hand operated siren LK-120 is designed to provide effective warning in applications where there is no power supply.
Powered by rotation the handle,this model has a plate to shut off the sound once up to speed giving it the ability to produce different tones
Robust and compact,the siren can be easily transported to remote locations and folds up to a small size for ease of handling
Specification 

Sound Rating: 
120±2dB(A) @1M 
Output Frequency: 
500±20Hz (Dependent on Rotation Speed)
Sound range:  1000M 
Net Weight: 
1.5Kg 
Carton Size: 
19*19*17CM 

Features : 
no power supply required 
robust and compact for portability 
powerful low frequency sound
universally recognised signal 
Shutter mechanism to provide a choice of signals:continuous and warble 

Application: 
Camp site,civil defence,mountain rescue,coast guard warning,quarries/mining
 

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