It is used for emergency warning and easy to carry.
Can be used for factories, families, schools, military units, flood control, disaster relief, forest fire fighting munitions, public and industrial occasions.
Timely warning, reduce the loss of people 's property and casualties.
By manually rotating the handle, the gearbox of the transmission step by step acceleration to achieve the purpose of sound, the sound depends on the rotation speed of the handle.
By manually rotating the handle, the gearbox of the transmission step by step acceleration to achieve the purpose of sound, the sound depends on the rotation speed of the handle.
Description
Specifications:
-dB(A)1m 120±2.
-Rate HZ 600±20.
-Transmission distance Φ 2500M.
-Material Aluminium.
-N.W 7KG.
-Dimension 300*300*400mm.
Operation steps:
1, Lay the base flat on a fixed platform;
2, Align the rocker arm to the screw holes and tighten it clockwise;
3, Grab the grabbing handle in left hand and open the air door (adjust the air door according to the direction of motion to control volume of the sound);
5,Turn the rocking handle clockwise with right hand till you hear the sound