Discontinued
Extech ET40
Heavy Duty Continuity Tester
The Extech ET40 Heavy Duty Pen Style Continuity Testers are ideal for checking continuity of non-energized circuits, fuses, switches, relays and wiring. It comes with a 76.2 cm (30 in) test lead and an alligator clip.
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User Manual
Extech ET40 手册
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