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Transformer resistance testing

Megger’s portfolio of transformer ohmmeters offers test currents up to 100 A and features such as automated on-load tap changer (OLTC) measurements.

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All Power transformer testing and monitoring DGA monitoring Multi-function transformer test systems Transformer insulation testing Insulating oil testing Transformer resistance testing Transformer short-circuit impedance Transformer turns ratio testing Transformer frequency response
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  • Show discontinued products

MTO300 series

Automated six-winding transformer ohmmeters
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MTO250

50 A transformer ohmmeter
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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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MTO210

Transformer ohmmeter
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MTO106

Transformer ohmmeter
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TOS1

Transformer ohmmeter standard
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