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The ATRT-01B S3 is Vanguard’s fourth generation, micro-processor based, single phase, automatic transformer turns-ratio tester. The ATRT-01B S3 uses the IEEE C57.12.90 measuring method to determine the transformer turns-ratio. The transformer turns-ratio is determined by precisely measuring the voltages across the unloaded transformer windings. The ATRT-01B S3’s measuring circuitry self adjusts before each measurement to ensure turns-ratio accuracy. Two selectable test voltages, 4Vac and 40Vac, offer flexibility in testing different types of transformers. The ATRT-01B S3 is battery or AC-powered. The unit can be used continuously for up to 4 hours pwer charge and can be used during charging.
ATRT-01B S3
Cables
Cable
Part Number
[8000-0006] RS-232C Cable [ 6' (1.83m) ]
8000-0006
[8000-0093] H and X Cable Set [ 15' (4.57m) ]
8000-0093
[8000-0112] Power Cable
8000-0112
ATRT-01B S3
Technical Specifications
TYPE
Transformer Turns Ratio Tester
PHYSICAL SPECIFICATIONS
Dimensions: 12” x 10” x 8” (30.4 cm x 25.4 cm x 20.3 cm)
Weight: 9 lbs. (4.3 Kg)
INPUT POWER
90 to 240 Vac, 50/60 Hz
SLA battery delivering up to 4 hours of continuous operation per charge
MEASURING METHOD
ANSI/IEEE C57.12.90
RATIO MEASURING RANGE
0.8 - 15,000 (5 digit resolution)
TURNS-RATIO ACCURACY
40 Vac: 0.8-1,999 (0.1%), 2,000-3,999 (0.25%), 4,000-15,000 (1%)
4 Vac: 0.8-1,999 (0.1%), 2,000-3,999 (0.25%), 4,000-15,000 (2%)
TEST VOLTAGE
4 Vac @ 300mA, 40 Vac @ 70mA
PHASE ANGLE MEASUREMENT
0 - 360 degrees, Accuracy ±0.2 degree (±1 digit)
POLARITY READING
In-Phase or Out-of-Phase indication
EXCITATION CURRENT READING RANGE
0-2 Amperes, Accuracy: 2% of reading (±1 mA)
DISPLAY
Back-lit LCD (128 x 64 pixels), viewable in direct sunlight and low light levels
COMPUTER INTERFACE
RS-232C
PC SOFTWARE
Windows XP/Vista/7 Transformer Analysis Software (included with purchase)
INTERNAL TEST RECORD STORAGE
128 records of 33 readings
EXTERNAL TEST RECORD STORAGE
Up to 999 test records on external USB Flash drive.
SAFETY
Designed to meet IEC 61010 (1995), UL 61010A-1, and CSA-C22.2 standards
ENVIRONMENT
Operating: -10oC to 50oC (15oF to +122oF)
Storage: (-30oC to 70oC (-22oF to +158oF)
HUMIDITY (MAX)
90% RH @ 40? C (104? F) non-condensing
ALTITUDE (MAX)
2000m (6562 ft) to full safety specifications
CABLES
One 15 ft. (4.6m) Single phase cable, one power cord, one cable bag
OPTIONS
Transportation Case (Can hold unit and cables)
WARRANTY
One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25?C (+77?F).
