Vanguard ATRT-03 S2 TTR Three Phase Transformer Turns Ratio Tester

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Vanguard ATRT-03 S2 TTR Three Phase Transformer Turns Ratio Tester

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SKU: VANG-ATRT-03S2

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Transformer Turn Ratio (TTR)

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The Vanguard ATRT-03 S2 Three Phase TTR is a thorough testing device that provides precise analysis on a transformer turns ratio, which makes this three-phase transformer incredibly useful. This microprocessor-based, automatic device provides users with PC software, cables, external data storage (999 test records), and internal storage (112 test records). Measuring turns-ratios from 0.8 to 15000, this third-generation unit allows technicians to test accurately and efficiently.

The ATRT-03 S2 determines the transformer turns-ratio (TTR) using the IEEE C57.12.90 measurement method. The ATRT-03 S2 outputs an excitation test voltage to the transformer’s primary windings. The induced secondary voltage is sensed, and the transformer turns-ratio is calculated. The TTR, excitation current, and phase-angle readings are displayed on the large backlit LCD screen. The built-in transformer type detection feature allows the ATRT-03 S2 to detect and test 130 transformer types defined by ANSI, CEI/IEC, and Australian standards.

The Vanguard ATRT-03 S2 can be used as a stand-alone unit or can be computer-controlled. It can be operated locally using its alpha-numeric keypad and rotary switch. Test reports can be printed in the field on the unit’s built-in 4.5-inch wide thermal printer. The Vanguard ATRT-03 S2 Three Phase TTR is durable, portable, and lightweight.

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Dimensions (W x H x L)	18 in x 7 in x 12 in 45.7 cm x 17.8 cm x 38.1 cm
Weight	20 lb. 9.0 kg
Measuring method	ANSI/IEEE C57.12.90
Typical turns-ratio accuracy	8 Vac: 0.8 ¬ 1,000 (±0.08%), 1,001 ¬ 4,000 (±0.1%), 4,001 ¬ 15,000 (±0.25%) 40 Vac: 0.8 ¬ 1,000 (±0.05%), 1,001 ¬ 4,000 (±0.1%), 4,001 ¬ 15,000 (±0.2%) 100 Vac: 0.8 ¬ 1,000 (±0.05%), 1,001 ¬ 4,000 (±0.1%), 4,001 ¬ 15,000 (±0.2%)
Test voltage	8 Vac @ 1.0A 40 Vac @ 0.2A 100 Vac @ 0.1A
Input power	100 ¬ 240 Vac 50/60 Hz
Ratio measuring range	0.8 ¬ 15,000 : 1
PC software	Windows®-based transformer turns-ratio analysis software included with purchase
Internal test record storage	Stores 112 complete transformer test records, each record holding the test record header and up to 99 readings
External data storage	Up to 999 test records on external USB flash drive (drive not included)

Vanguard ATRT-03 S2 TTR Three Phase Transformer Turns Ratio Tester

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