The hardest part to identify in electronics is the inductor. If you
have that box of unidentified parts, which everybody has,
you can pay for this kit with just one project.
Connects to any digital multi-meter
Set your meter to the 2 V DC range and you're in business.
Even works on auto-ranging meters.
This unit will read inductors from 3uH to 7MH.
Operates from a 9 volt battery or
7.5 to 18 vDC
Printed Circuit Board Size: 2.25" x 2.75"
Case size: 2.5" x 3" x 1 5/8" H
Here is the instruction sheet for the IA-1 kit.