Cewe Instrument makes considerable investments into research and development of products and systems for energy measurement. The development department is located in the main office in Nyköping, Sweden, in close proximity to the management. To aid development of precision instruments the test equipment needed is substantial, we are able to meet all our needs. For the firmware and software development, the latest tools and tests are applied. Modern systems of today are about different communication technologies and therefore this is one important part of the R&D effort.