weighbeam

基本解释

This kind of balance is iron lever mostly, malady is near balance department, weighbeam can be extended can shrink, control in 5 centimeters commonly.
这种秤大都是铁杆，弊病在秤系四周，秤杆能伸能缩，一般在5厘米左右。秤猪时秤杆缩进去，检秤时把秤杆拉出，定盘星还准。
It takes the single chip microcomputer AT89C51 as the control nucleus, uses digit controlled current to control running of weighbeam, adopts infrared technology to check the balance of weighbeam.
测量仪以单片机AT89C51为控制核心，使用数控电流源控制秤杆的转动，采用红外监控技术检测秤杆的平衡位置。