ATRT-03

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3-Phase Transformer Turns Ratio Tester

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Part Number(s)

9037-UC [110V ATRT-03]
9038-UC [220V ATRT-03]

Download Links

	ATRT-03 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
Automated phase switching

ATRT-03

Cables

Cable	Part Number
[8000-0006] RS-232C Cable [ 6' (1.83m) ]	8000-0006
[8000-0009] H Single Phase Cable [ 15' (4.57m) ]	8000-0009
[8000-0010] H Extension Cable [ 25' (7.62m) ]	8000-0010
[8000-0011] X Single Phase Cable [ 15' (4.57m) ]	8000-0011
[8000-0012] X Extension Cable [ 25' (7.62m) ]	8000-0012
[8000-0013] H 3-Phase Cable [ 15' (4.57m) ]	8000-0013
[8000-0014] X 3-Phase Cable [ 15' (4.57m) ]	8000-0014

[8000-0186] 3-Phase H Cable [ 30' (9.14m) ]	8000-0186
[8000-0187] 3-Phase X Cable [ 30' (9.14m) ]	8000-0187
[8000-0188] Single-Phase H Cable [ 30' (9.14m) ]	8000-0188
[8000-0189] Single-Phase X Cable [ 30' (9.14m) ]	8000-0189

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