You are here: Main Products Megger Insulation resistance testers + 1 kV A.C.insulation testing DELTA4000 Series
DELTA4000 series is a fully automatic 12 kV insulation power factor / dissipation factor (tan delta) test set designed for condition assessment of electrical insulation in high voltage apparatus such as transformers, bushings, circuit breakers, cables, lightning arresters, and rotating machinery.
Two configurations make up the Series: