Inside the magnetic tester
Added 2025-09-27 00:52:49 +0000 UTCThis was a very destructive exploration, but I've now ordered a replacement.
https://www.youtube.com/watch?v=rXD3zIXNgU4
Comments
Don't bin it !! CR2032 in place of the 2 AA's, wrap the whole thing in transparent heat-shrink and voila!! Good as new...
Gordo
2025-10-05 17:31:15 +0000 UTCIt's rare to see one with polarity. Most are just a reed switch and a beeper.
Mike Page
2025-09-27 11:50:52 +0000 UTCThird light is for East and West polarity?
RonNona
2025-09-27 09:03:57 +0000 UTC
