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ISO 9001 Certified


Vanguard Instruments Company, Inc., Electronic Testing Equipment, Ontario, CA
       

ATRT-03B S2

3-Phase Transformer Turns Ratio Tester

 
       

This product is no longer in production.
  • Highest ratio: 0.8 - 15,000
  • Name-plate turns ratio calculation
  • Computed % error based on measured and calculated ratio
  • Automated phase switching
  • Excitation current and phase angle measuring
  • Can store 112 transformer test records internally. Each record holds the test record header and up to 33 readings
  • Can store 128 transformer test plans internally
  • USB, RS-232C, and USB Flash drive interface
       

ATRT-03B S2

Cables

 
       
       

ATRT-03B S2

Technical Specifications

 
       
TYPE Portable, lightweight, automatic, 3-phase transformer turns-ratio meter
PHYSICAL SPECIFICATIONS 18”W x 7”H x 15”D   (45.7 cm x 17.8 cm x 38.1 cm);
Weight: 20 lbs (9.0 kg)
OPERATING VOLTAGE 100 – 240 Vac, 50/60 Hz
MEASUREMENT METHOD ANSI/IEEE C57.12.90
TURNS-RATIO MEASURING RANGE 0.8 – 15,000

TURNS-RATIO ACCURACY

0.8 – 1,999: ±0.1%, 2,000 – 3,999: ±0.25%. 4,000 – 15,000: ±1% @ 8 Vac
0.8 – 1,999: ±0.1%, 2,000 – 3,999: ±0.20%. 4,000 – 15,000: ±1% @ 40 Vac
0.8 – 1,999: ±0.1%, 2,000 – 3,999: ±0.15%. 4,000 – 15,000: ±1% @ 100 Vac
TEST VOLTAGES 8 Vac @ 1Amp, 40 Vac @ 0.2 Amp, 100 Vac @ 0.1 Amp
EXCITATION CURRENT READING RANGE 0 – 2 Amperes; Accuracy: ±0.1 mA, ±2% of reading (±1 mA)
PHASE-ANGLE MEASUREMENT 0 – 360 Degrees; Accuracy: ±0.2 degree (±1 digit)
DISPLAY Back-lit LCD screen (64 x 128 dot graphic display); Viewable in bright sunlight and low-light levels
COMPUTER INTERFACES One RS-232C port, One USB port
EXTERNAL DATA STORAGE One USB Flash drive interface port; Up to 999 transformer test records can be stored on a USB Flash drive (not included).
PC SOFTWARE Windows® XP/Vista-based Transformer Turns-Ratio Analyzer application is included with purchase price
INTERNAL TEST RECORD STORAGE Can store 112 transformer test records internally. Each record holds the test record header and up to 33 readings.
INTERNAL TEST PLAN STORAGE Can store 128 transformer test plans internally. Test plans can be transferred to the unit from the PC via the RS-232C/USB port or via the USB Flash drive interface
LOAD TAP CHANGER CONTACT

240 Vac, 2 Amps

SAFETY Designed to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92 standards
ENVIRONMENT Operating: -10˚ to 50˚ C (15˚ to +122˚ F); Storage: -30˚ C to 70˚ C (-22˚ to +158˚ F)
CABLES One 15-foot Single-phase set, One 15-foot 3-phase set, One 25-foot extension set, One safety ground, One USB, One RS-232C, One LTC cable, cable bag
OPTIONS Transportation Case
WARRANTY One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F).
Last updated on March 16, 2009
       

Field Pictures

   
       
TNB ATRT Training
ATRT-03 at TNB Substation in Malaysia
ATRT-03 S2 Training for ABB Service Center in Jakarta
ATRT-03 at Wuhan High Speed Train Substation