The core activity of PARMELTEC Mess- und Elektrotechnik GmbH is the provision of services and the development of products in the field of voltage quality and network interactions, specifically: Independent measurements of voltage quality and network interactions according to applicable standards and regulations; Calculations and assessments of connection requests and network calculations; Engineering of infrastructure on the medium and low voltage level; Development and distribution of software (PQIS) for the analysis and monitoring of voltage quality and network interactions; Training and further education in the field of voltage quality and network interactions. The company supports network operators and end customers in overcoming measurement-related challenges and offers solutions for a clean and efficient power supply.