Megger TTR399 Turns Ratio Tester
Their unique testing algorithms and integral storage facilities for test results make Megger three-phase transformer turns ratio testers in the new TTR300 range many times faster to use than conventional turns ratio testers, especially when they are used to test difficult three-phase transformers such as those with multiple tap changers and bushing CTs.
TTR300 testers have the ability to measure turns ratios up to 45,000:1 with an accuracy of 0.1%, thereby providing dependable condition information for power, distribution and substation transformers of all types. In addition to turns ratio, the units also accurately measure excitation current and phase deviation between the high and low voltage windings.
TTR300 series testers are designed to take full advantage of Megger’s powerful and versatile PowerDB acceptance and maintenance test data management software, with the TTR330 incorporating the PowerDB ONBOARD package as an integral feature. The other models in the range are supplied with a copy of PowerDB Lite at no extra cost. The full version of PowerDB is available as an option.
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