electromagnetic radiation tester

例句：

1. 1.The electromagnetic radiation tester was used to measure the strength of the magnetic field.
   电磁辐射测试仪被用来测量磁场的强度。
2. 2.The engineer used the electromagnetic radiation tester to detect any hidden wires in the building.
   工程师使用电磁辐射测试仪来检测建筑中隐藏的电线。
3. 3. The electromagnetic radiation tester detected a weak signal coming from the other side of the room.
   电磁辐射测试仪探测到来自房间另一边的微弱信号。