Megger TTR300 240V Transformer Turn Ratio Test Set

The Megger TTR300 test set measures the turn ratio, phase shift, and excitation current of power, distribution, and instrument transformers. A “-47” suffix added to the catalog number denotes a 230-V input power supply, rather than the standard 120-V supply. The test set is a portable instrument housed in a sturdy plastic case with removable lid and carrying strap. The inside lining of case is metal shielded. The TTR300 test set can be used to test single-phase and three-phase transformers, both with and without taps in accordance with the requirements of the IEEE C57.12.90 - 1997 standards. Test results are saved to an external personal computer (PC) via an RS232 serial port. 230V 50/60Hz Without Test Leads. Remote controllable. Works in the presence of high interference/high voltage. Displays % error vs. name plate with pass/fail limits. Measures the widest turns ratio range in the industry (45,000:1). Equipped with “Remote TEST” switch for single person testing, Self-checking at power-up. Test turn ratio, phase shift (in both degree and centiradian), and excitation current. Easy measuring of regular windings, tertiary windings, and CTs. Checking reverse polarity at start of each test. Three excitation test voltages: 80V, 40V, and 8V. Field upgradeable to a model TTR330 without compromise to calibration. Software: PowerDB LITE. Dimensions (Instrument): 8.5 H x 21.5 W x 13 D in. (216 H x 546.1 W x 330.2 D mm). Weight: 24 lb (10.8 kg) Instrument with Standard Leads. Megger TTR300 Warranty: 1 year. Includes: Supplied without test leads. Please see TTR 300 datasheet for details.

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