About Us

History to our industry


ohv diagnostic Pvt. Ltd. is registered company in India and is a group company of ohv diagnostic GmbH, Germany. ohv diagnostic GmbH specializes in design, development and manufacturing of high voltage test equipments for Partial Discharge technology with a very strong engineering and application knowledge.

ohv diagnostic works with a goal to “to manufacture high quality test systems with highest accuracy and concurrent technology to improve the reliability of electric grid infrastructure”. To accomplish this objective, we at ohv diagnostic group deploy state of the art measurement technology drawn from many years of experience in scientific work in the laboratory, countless assignments in the field, and our own developments in measurement technology.


ohv diagnostic GmbH - years of experience in a young company


ohv diagnostic GmbH was founded in 2013 by group of engineers having decades of experience in the industry. ohv diagnostic develops & manufacture instruments that tests & ensures the safe operation of medium & high voltage equipment.

Our fast growing range of products includes partial discharge testing and measuring instruments & accessories for medium and high voltage cables, switchgears, transformers & rotating machines.

Our team with wide experience and skills can also develop and build solutions based on your specific requirements, build or repair OEM devices, and modify existing testing equipment.


Experience, knowledge, and creativity - our experts


With experience gained through countless on-site assignments, we understand requirements for test stations, laboratories, and high voltage substations. Our specialists have years of experience in diagnostic measurements, scientific studies, and the development of our own high voltage measurement and testing systems. At ohv diagnostic, we combine valuable knowledge from the fields of

• manufacturing
• power utilities and distribution
• Research institutions
• Assembly

We understand the challenges involved and can work together with our valued customers to find appropriate strategies and solutions. Our special focus is on reliable and meaningful measurement results for grid operation and asset management, combined with simple and easy-to-use designs.

As practitioners, we understand the importance of flexibility and cost-consciousness, portability and price-performance ratio of every solution we deliver. Comprehensive quality controls are an integral part of our delivery system for a very reliable solutions delivered for an important application.


Management Personnel

Mr. Thomas Strehl - Managing Director

Mr. Tom Bertheau - Sales Director