Decade Inductors- Inductance Decade Box

The World's Leading Manufacturer of Inductance Decades

IET Labs manufactures a full line of decade inductors that will cover a full range of applications for the field, the calibration laboratory or automated stations.From the world's highest precision to our cost-effective models from 1 µH to 10 H, manual or IEEE/RS232 computer programmable.
IET Labs, maintains some of the finest R, L and C calibration standards in the world. IET continues to manufacture and support a wide variety of products that were originally manufactured by GenRad, esi, QuadTech.

All of our Inductance Decades are manufactured with pride in the USA.

LS Series Inductance Decade Box
Accurate 2%

Cost effective for lab or educational uses

Wide range from 1 µH - 10 H

Broad choice of 3 standard models, the LS-400, LS-400A, LS-400L

Compact, convenient, and rugged

Manufactured in the United States
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GenRad 1492 Decade Inductor
Inductance range from 1 µH to 11 H
Toroidal cores for small mutual inductance and minimal effect from external fields
High-accuracy: ±(1% + 0.75 µH)

7 decade switches
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GenRad 1491 D, G Precision Decade Inductor
Most accurate decade inductor commercially available, accuracy's as good as 0.8%
Inductance range from 1 mH or 100 µH to 11 H
Shielded toroidal cores for small mutual inductance and minimal effect from external fields
Sealed against moisture for long-term stability
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PLS Series Programmable Inductance Decade Box
Wide range and resolution: 1 µH to 10 H

Available at accuracies of : 1% and 2%

LabVIEW Drivers for IEEE-488.2 and RS-232 Versions

Programmable "open circuit" and "short circuit" states optional

Desktop and 19" Rackmount enclosures
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