Doble-Lemke Group located in Germany and Switzerland is a leader in High Voltage Test, Diagnostics and Monitoring Equipment and has its roots with the foundation of LEMKE DIAGNOSTICS GmbH in 1990 by Prof. Dr. Eberhard Lemke who is still a consultant to Doble-Lemke.

In July 2008, Doble-Lemke was acquired by ESCO Technologies, Inc., the parent of Doble Engineering Company, and is now a member of the Doble family of companies.

Doble-Lemke develops and manufactures instruments for dielectric diagnostics and monitoring on electrical power systems, apparatus, and HV components.

This leading edge technology group has traditionally supported fundamental research on dielectric behavior of insulating materials and is now the foremost expert in this field. The company holds many scientific patents in the HV diagnostics and HV technology area.

Doble-Lemke group is rapidly growing and currently employs over 45 highly educated and dedicated individuals with vast experience in this specialized industry. Our investments in R&D activities approach close to 15% of revenues and we continue to be a primary force in innovation to increase the reliability and productivity for our clients in the power utility, power apparatus and high voltage research industries.

Our first product, the Differential Lemke Probe, which was developed in the 1970's, is still a popular and often used partial discharge tool in the lab as well as on-site.

Today, our products are all state of the art design and built by professionals that are fully committed to putting the customer's needs first. Please contact us for all your High Voltage testing or insulation diagnostics needs.

We will provide you with the best Solutions for electric power safety and reliability with the service from people who have a long history of dedication and expertise in this specialized industry.