Weight: 9kg
Sound pressure decibel: 125 + 2 decibels
Transport distance: 2.5km
Sound pressure level: output frequency: 600 + 20hz
Material : aluminum alloy
model : lk-120
portable or fixed
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:
125±2dB(A) @1M
Output Frequency:
600±20Hz (Dependent on Rotation Speed)
Sound range: 2500M
Net Weight:
9Kg
Carton Size:
90*14*14CM /250*220*220mm
Lift Height :25cm
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
carton box
pack size :
250*220*220mm and 900*140*140mm,