Knopp Inc. is a design and manufacturing company located in Emeryville, California, USA (alongside beautiful San Francisco Bay). We have been in business since 1928 -- if you're counting, that makes 2012 our 84th year.

Our primary products are transformer test equipment, precision voltage and current transformers, and electrical instruments. Our customers include electric utilities; manufacturers of  transformers and electric motors; government (federal, state, and municipal); and professional electricians.

We hope you will take a moment to browse our products. Please come back often for updates.

!!!TEST CT'S AT <1% TEST CURRENT!!! AN UPGRADE TO KNOPP KATC-C & KATC-C1 COMPARATORS IS NOW AVAILABLE TO ALLOW TESTING CT'S TO LESS THAN 1% TEST CURRENT   In recent years, the need to test CT's at low currents has become more common. The Knopp KATC-C and KATC-C1 Comparators can now be modified to accomplish this. Just return your Comparator to KNOPP for the upgrade, an operational check, and certified data. For more details, please contact Bob Dunbar at 800-227-1848 or at sales@knoppinc.com.                     800-227-1848 510-653-1661

This site was last updated on May 5, 2012