LS Series inductance decade box – VIDEO

The IET Labs LS series inductance decade box is the most commonly used inductance substitution box on the market today. The LS series is not only easier to use, but it is also priced lower than almost all of its competition.

IE LS Inductance Decade Box
The IET Labs LS series is an economical, indispensable set of inductors with a variety of uses in engineering, design, troubleshooting, or service fields.


  • Accurate 2%
  • Cost effective for lab or educational uses
  • Wide range from 1µH - 10H
  • Broad choice of 3 standard models, the LS-400, LS-400A, LS-400L
  • Compact, convenient, and rugged
  • Direct reading and error proof 
  • Color coded ‪