IET is the world's leading RLC decade box manufacturer.
With 50+ years of stability data and history, IET Labs manufactures a full line of resistance, capacitance and inductance decade boxes that will cover most any budget and application: field, calibration laboratory or automated stations. From the world's highest precision to our cost-effective models. 1000's of models available from: 1 mΩ to 10 TΩ, 1 pF - 10,000 µF, 1 mH- 10 H. Programmable and self-calibrating models available. Contact us if you don’t find the decade box you need and we would be happy to custom build it IET Labs, maintains some of the finest R, L and C calibration standards in the World. Almost all of IET’s decade boxes are manufactured with pride in the USA. To find the best model, use the category filter on the left side page.