DFB-H Electronic Height Limitor
DFB-H crane height limit protection device is mainly used in a variety of crane which need to limit the crane height, it has a height limit and overwinding protection function. When the crane is over high or overwinding, the protector automatically sends alarm signals and limit the movements of the crane towards the dangerous direction, thereby preventing the accident.
Features:
DFB-H height limit applies 8052 single-chip to be central processing unit, considering angle and length, can limit the increase in both the angle and length, thus limiting the vertical height of the top of the crane. With sound and light alarm and overwinding limit. Enable the operator to know the working status of the crane easily. 12V DC current is provided by a battery, controlled by the change-over switch, when the crane began its work, the protection start working at the same time.
