ATRT-03, ATRT-03A, AND ATRT-03B USER’S MANUAL
REV 2
3
Transformer Test Plans
The ATRT-03 can store up to 128 transformer test-plans in its Flash EEPROM. A test plan is
comprised of the transformer nameplate voltages for each tap setting. The calculated turns-
ratio based on the nameplate voltages is compared with the measured turns-ratio. By recalling
a test plan, a transformer can be quickly tested and turns-ratio Pass/Fail reports can be
reviewed. Test plans can be created with the included PC software and can be transferred to
the ATRT-03 via the RS-232C interface.
Internal Test Record Storage
Up to 200 test records can be stored in the ATRT-03’s Flash EEPROM memory. Each test record
may contain up to 99 turns-ratio, excitation current, phase angle, and nameplate voltage
readings. Test records can be recalled locally or transferred to a PC via the RS-232C interface.
Computer Interface
The ATRT-03 can be computer-controlled via the RS-232C interface using the supplied PC
software. The Windows® XP/Vista-based software can be used to run a test and to store test
results on a PC. Test results can also be exported to Microsoft® Excel.
Transformer Load Tap Changer Control
An optional Tap-Changer Remote Control Box can be used to remotely change transformer
taps. This remote-controlled tap-changer box eliminates the need to manually change the
transformer’s step-up and step-down taps.
Built-in Thermal Printer (ATRT-03 and ATRT-03A only)
A built-in 4.5-inch wide thermal printer prints test results in a 14 point font for easy viewing.
The printer and paper dispenser are mounted under the front panel for protection.
Summary of Contents for ATRT-03
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