E-Sun EM419 測量（建筑/工程）工具 功能簡介
電線尋線器 [線路斷路器查詢儀]
EM419斷路器查詢儀可查找和定位110~125V或210~235V交流線路的斷路和保險絲控制插座的位置。
靈敏度即時調(diào)節(jié)
規(guī)格參數(shù)
1. Plug transmitter into a wall outler with the power on.
2. Check unit as in “Unit Test” section.
3. Go to circuit breaker panel box and place flat surface of tapered end of receiver at a right angle and directly on circuit breaker or fuse.
4. Slowly move receiver up and down over the row or rows of circuit breakers or fuses while continually lowering the receiver’s sensitivity by rotating the wheel away from the panel box until only one （1） breaker or fuse causes the receiver to beep.
（Note: In certain instances an adjacent breaker or fuse may cause a beep due to the routing of the wires in the panel.）
4. After you have located the right breaker or fuse, you can turn off the circuti and the receiver eill stop beeping.
附件
使用說明書
