Dh-200A Alarm High-Power Transmission 3km Explosion-Proof Electric Motor Siren 220V

Dh-200A Alarm High-Power Transmission 3km Explosion-Proof Electric Motor Siren 220V

Product Parameters

Fashion electrical alarm
Sound pressure 130db
Audio frequency 600±20 Hz
Power 180w
excess weight 11 kg
Transmission distance 3 km
Packing dimension 330* 330 * 250 mm

Coloration As picture shade
MOQ 1PCS
Packaging Details Carton package or CZPTment for Hand Operated Siren
Utilization Alarm device,Civil defence siren
Busniess Type  Manufacturer
Market  CZPT

 Product Description
one.Define
  Alarms including hand alarm, electric alarm , each  place for emergency warning,  only hand alarm CZPT 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.
four.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  DH-200A is created to offer powerful warning in apps exactly where there is no electrical power offer.
Driven by rotation the deal with,this product has a plate to shut off the audio once up to pace giving it the potential to produce distinct tones
Robust and compact,the siren can be simply transported to remote areas and folds up to a little dimension for simplicity of managing

Attributes : 
no energy source required 
strong and compact for portability 
effective reduced frequency audio
universally recognised signal 
Shutter system to offer a choice of indicators:continuous and warble 

Software: 
Camp website,civil defence,mountain rescue,coastline guard warning,quarries/mining
 

Dh-200A Alarm High-Power Transmission 3km Explosion-Proof Electric Motor Siren 220V