The stabilized power supply unit for the detectors is mounted at the rear of the chassis. 检测器的稳压电源安装在框架后面。
The position is monitored by a battery powered sensor unit mounted in a convenient position on a tripod or fixed to a suitable support. 探伤的位置主要由一个电池供能的检测器监控,方便起见用一个三角架或者是其它合适的支撑物固定。