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Transformer insulation testing

Megger’s comprehensive portfolio of products for transformer insulation testing and analysis, both in the factory and on-site.

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All Transformer testing Complete transformer test systems Transformer insulation testing Transformer resistance testing Transformer short-circuit impedance Transformer turns ratio testing Transformer vector detection
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  • Show discontinued products

OTS PB and OTS AF series of insulating oil test sets

Fully automatic insulating oil dielectric breakdown testers
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CDAX 605

High precision capacitance and dissipation factor measuring instrument
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DELTA4000 series 12 kV power factor/tan delta testers

The DELTA4000 series tests electrical insulation in power apparatus
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IDAX series of insulation diagnostic analysers

Measure moisture content, tan delta/power factor and oil conductivity using DFR in the field
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TRAX Multifunction transformer and substation test system

Portable and compact system packed with features that maximise asset condition awareness
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VAX020

2 kV high voltage amplifier
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OTD

Oil tan delta test set
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220000 series

70,120, and 160 kV DC dielectric test sets
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5/15 kV DC

Dielectric strength tester
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