It mainly includes laser type, ultrasonic type, infrared type, electromagnetic type, all use the principle that light or radio wave travels, reflects and the distance can be measured. When two overhead cranes travels to pointed position, the overhead crane mechanism rings alarm bell and gives the stop command at the same time.
الاتصال لدينا كرين المتخصصين
أرسل لنا رسالة وسوف نقوم بالرد عليك في أقرب وقت ممكن.
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