Languages

User login

To prevent automated spam submissions leave this field empty.

ISO 9001 Certified


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

ATRT-03

3-Phase Transformer Turns Ratio Tester

 
       

[ View Interactive Demo ]
9037-UC [110V ATRT-03]
9038-UC [220V ATRT-03]
This product is no longer in production.
  • Highest ratio: 0.8 - 15,000
  • Built-in 4.5" thermal printer
  • Excitation current measuring
  • Phase angle measuring
  • Computer interface
  • Name-plate turns ratio calculation
  • Computed % error based on measured and calculated ratio
  • Automated phase switching
       

ATRT-03

Cables

 
       
       

ATRT-03

Technical Specifications

 
       
TYPE Portable, lightweight, automatic, three-phase transformer turns-ratio meter
PHYSICAL SPECIFICATIONS 17”W x 7”H x 13”D  (43.2cm x 17.8 cm x 33.0 cm); Weight: 14 lbs (6.4 kg)
INPUT POWER 3 amps, 100 – 120 Vac or 200 – 240 Vac (selectable), 50/60 Hz
MEASUREMENT METHOD ANSI/IEEE C57.12.90
RATIO-MEASURING RANGE 0.8 – 15,000 (5-digit resolution)
TURNS-RATIO ACCURACY 0.8 – 1999: ±0.1%, 2,000 – 3,999: ±0.25%, 4,000 – 15,000: ±1% @ 8 Vac
0.8 – 1999: ±0.1%, 2,000 – 3,999: ±0.20%, 4,000 – 15,000: ±1% @ 40 Vac
0.8 – 1999: ±0.1%, 2,000 – 3,999: ±0.15%, 4,000 – 15,000: ±1% @ 100 Vac
ADJUSTMENT None required
TEST VOLTAGES 8 Vac @ 1 amp, 40 Vac @ 0.6 amp, 100 Vac @ 0.1 amp
EXCITATION CURRENT READING RANGE 0 – 1 Ampere; Accuracy: ±1mA, ±2% of reading (±1 digit)
PHASE-ANGLE MEASUREMENT 0 – 360 degrees; Accuracy: ±0.2 degrees ( ±1 digit)
DISPLAY Back-lit LCD screen (20 Characters by 4 Lines); Viewable in bright sunlight and low-light levels
PRINTER Built-in 4.5-inch wide thermal printer
COMPUTER INTERFACE RS-232C (19,200 baud) port
PC SOFTWARE Windows® XP/Vista-based Transformer Turns-Ratio Analyzer application is included with purchase price
INTERNAL TEST RECORD STORAGE Stores 200 complete transformer test records. Each test record includes nameplate voltage, winding turns-ratios, excitation current, and winding phase angle.
INTERNAL TEST PLAN STORAGE Stores up to 128 transformer test plans
SAFETY UL Certified (UL 61010A-1), CAN/CSA Certified (C22.2 No. 1010.1-92)
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 cable set, One 15-foot 3-phase cable set, One 25-foot extension cable set, One cable-carrying duffel bag included
OPTIONS Transportation case, transformer tap-changer remote control device
WARRANTY One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F).
Last updated on February 16, 2009

 

       

Field Pictures

   
       
ATRT-03 at TNB Substation in Malaysia
TNB ATRT Training
ATRT-03 at BSES Substation in New Delhi, India
ATRT-03 Test in Nha Trang, Vietnam
ATRT-03 Testing CT in Vietnam
ATRT-03 at Wuhan High Speed Train Substation