ATRT-03A

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3-Phase Transformer Turns Ratio Tester

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Part Number(s)

Download Links

	ATRT-03A Datasheet
	Customer References
	ATRT-03 User's Manual (English)
	ATRT-03 Manual de Operacion (Español)
	TTRA Software Manual (English)
	Manual de TTRA Software (Español)

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
Input power: 85-264 Vac;
110-370 Vdc and 12 Vdc car battery
AC or battery powered
Automated phase switching

ATRT-03A

Cables

Cable	Part Number
[8000-0013] H 3-Phase Cable [ 15' (4.57m) ]	8000-0013
[8000-0010] H Extension Cable [ 25' (7.62m) ]	8000-0010
[8000-0009] H Single Phase Cable [ 15' (4.57m) ]	8000-0009

[8000-0006] RS-232C Cable [ 6' (1.83m) ]	8000-0006
[8000-0014] X 3-Phase Cable [ 15' (4.57m) ]	8000-0014
[8000-0012] X Extension Cable [ 25' (7.62m) ]	8000-0012
[8000-0011] X Single Phase Cable [ 15' (4.57m) ]	8000-0011

ATRT-03A

Technical Specifications

*TYPE*	Portable, lightweight, automatic, battery-powered three-phase transformer turns-ratio meter
*PHYSICAL SPECIFICATIONS*	19”W x 7”H x 15”D (48.2cm x 17.8 cm x 38.1 cm); Weight: 25 lbs (11.3 kg)
*INPUT POWER*	3 amps, 85 – 264 Vac or 110 – 370 Vdc or 12 Vdc
*BATTERIES*	Two 12Vdc/2AH, rechargeable Sealed Lead Acid batteries (up to 3-hours operation)
*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 @ 350 mA, 40 Vac @70 mA, 100 Vac @ 20 mA
*EXCITATION CURRENT READING RANGE*	0 – 2 Amperes; 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*	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 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