The secondary coil slides over the primary coil, and the soft iron core slides into either or both, providing a look at magnetic induction and transformer theory. This rugged device is sensitive...
The secondary coil slides over the primary coil, and the soft iron core slides into either or both, …
Model Introduction: The BD-20AC operates at a very high frequency in the MHz range, generating an el…
8 in. wide for testing curved and flat surfaces. Hinged for hard to reach areas.
4 in. wide for testing curved and straight lining and other surfaces.