IET Labs Manufactures a Variety of LCR Meters
Including the QuadTech 7600 and 1900

IET's complete line of LCR Meters can be seen by clicking on the link.  LCR Meter


LCR Meter Guide

This primer is an extremely detailed and useful reference guides explaining almost any question you could have on the operation of LCR Meters.

The complete LCR Meter Guide can be downloaded in pdf format by clicking on the link. LCR Meter Guide


History of Impedance Measurements

History of impedance measurements, covers the history of impedance measurements primarily dealing with dc resistance to low radio frequencies. Focus is mainly on instruments for production test and general-purpose measurements in science and industry.

History of Impedance Measurements


Glossary of LCR Meter Terms

Glossary of terms related to LCR Meters and other impedance measuring instruments.

LCR Meter Terms

LCR Meter, Standards and Stroboscope Application Note Library

IET has an extensive library of application notes on LCR meters, standards and stroboscopes. The application notes cover LCR meters in both commercial and military/aerospace industries and applications ranging from calibration and metrology to production testing of sensors.


GenRad Historical Library

IET has also posted all of the GenRad Experimenters dating back to the 1920s and links to the GenRad Historical Society. Please click on the link below. GenRad Historical Library Page

IET and GenRad Manuals

Current and Historic IET and GenRad Instruction Manuals

IET and GenRad Manuals

IET History

Since 1976, IET Labs has been providing high quality test equipment and calibration services.  In 2000, IET Labs acquired the GenRad standards, impedance decades, megohmmeters, Digibridge RLC meters  and  LCR meters, audio and stroboscope strobe lines and now continues to manufacture, service and support these "In the Genrad Tradition..."

IET Labs in January 2012 purchased the 1910, 1920 LCR Meter and 7600 Plus Precision LCR Meter Products from QuadTech Inc.

IET is a premier supplier of LCR Meters based upon the combined knowledge of GenRad Digibridges and QuadTech LCR meters.  IET has an extensive knowledge base and large library of articles and application notes on LCR meters.  We invite you to take advantage of this information.