Haefely (Tettex) MIDAS micro 2883 Insulation Diagnosis & Analysing System, 12kV, Tan Delta & Power Factor
Haefely ACS Test System 25-100kV, 20-100kVA. Manufacturer, Labratory, University, High Voltage Services
Haefely IDAS 2823-REF (TD/Power Factor) Highest precision Tan Delta and Power Factor measuring instrument