DELTA4000 series 12 kV power factor/tan delta testers

The DELTA4000 series tests electrical insulation in power apparatus
The DELTA4000 series is an automatic 12 kV insulation power factor/tan delta test set for assessing the condition of electrical insulation.
Confidence in AC insulation with narrowband DFR (1 to 500 Hz)
Designed for all environments
Accurate measurement results under high noise conditions
Patented built-in Individual Temperature Correction (ITC)