Vanguard ATRT-03_03B S2 - Manual (Page 9)

REV 2 ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 USER’S MANUAL
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1.2 Technical Specifications
1.2.1. ATRT-03 S2 Technical Specifications
Table 1. ATRT-03 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
PRINTER Built-in 4.5-inch wide thermal printer
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 per phase. The readings include turns
ratio readings, excitation current readings, and nameplate voltages.
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)
HUMIDITY (MAX) 90% RH @ 40˚ C (104˚ F) non-condensing
ALTITUDE (MAX) 2000m (6562 ft) to fully safety specifications
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
WARRANTY One year on parts and labor
NOTE
The above specifications are valid at nominal operating voltage and at a
temperature of 25
°C (77°F). Specifications may change without prior notice.