HAEFELY, Measures Dissipation Factor

HAEFELY 2830/2831 Precision Oil and Solid Dielectric Analyzer
Haefely's 2830/2831 is the result of extensive research and years of experience testing dielectric properties of liquid and solid insulating materials.

HAEFELY WA 2883 Mobile Insulation Diagnosis & Analysing System The MIDAS micro 2883 is a revolutionary C & Tan Delta / Power Factor / Dissipation Factor tester used to test the insulation of high voltage components (i.e. transformers, bushings, capacitors and so on).