Megger MTO250 Transformer Ohmmeter

50 A Transformer Ohmmeter

The Megger MTO250 Transformer Ohmmeter is a line-operated, field-portable instrument designed specifically to measure the resistance of all types of magnetic windings safely and accurately. The Megger MTO250 can test transformers and rotating machine windings and perform low-current resistance measurements on connections, contacts and control circuits.

Megger MTO250 Transformer Ohmmeter Features

• Capable of testing transformers up to 1000 MVA
• DC test current up to 50 A maximum
• Integrated demagnetisation feature
• Computer control and internal data storage
• Validates proper operation of on-load tap-changers
• Protected against accidental current lead disconnection (through potential leads)

Megger MTO250 Transformer Ohmmeter kit contents

• Megger MTO250 Transformer Ohmmeter, 50A
• Canvas carrying bag (2005-265)
• AC power cord (IEC60320-C19 to US standard) (17032-23)
• AC power cord (IEC60320-C19 to Schuko CEE 7/7) (17032-19)
• Ground Lead, 15 ft (4.5 m) (4702-7)
• User guide (MTO250_UG)
• Quick Guide (2006-128)

Megger MTO250 Transformer Ohmmeter Data Sheet

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