product

ALL VANGUARD TRANSFORMER TURNS RATIO TESTERS

TRF-250 A
TSB
TRF-250
TRF-100
ATRT-03 S2
TRI-PHASE
ATRT-01 S3
ATRT-01B S3
CVT-765
FEATURES & BENEFITS
  • Battery-powered
  • Ratio range: 0.8 – 50,000 : 1
  • Capable of detecting 130 different 3-phase transformer types defined by ANSI, IEC, and Australian standards
  • 4 test voltages: 4Vac, 40Vac, and 100Vac, and 250 Vac
  • Phase angle and excitation current measurement
  • Bluetooth and USB PC interfaces
  • 4.5” wide thermal printer
CABLES

[8000-0005] USB Cable [ 6' (1.83m) ]
Cable Part Number: 8000-0005

[8000-0009] H Single Phase Cable [ 15' (4.57m) ]
Cable Part Number: 8000-0009

[8000-0010] H Extension Cable [ 25' (7.62m) ]

Cable Part Number: 8000-0010

[8000-0011] X Single Phase Cable [ 15' (4.57m) ]

 Cable Part Number: 8000-0011

[8000-0012] X Extension Cable [ 25' (7.62m) ]
Cable Part Number: 8000-0012

[8000-0013] H 3-Phase Cable [ 15' (4.57m) ]
Cable Part Number: 8000-0013

[8000-0014] X 3-Phase Cable [ 15' (4.57m) ]
Cable Part Number: 8000-0014

[8000-0015] LTC Control Cable [ 15' (4.57m) ]
Cable Part Number: 8000-0015

[8000-0016] Power + Ground Combination Cable
Cable Part Number: 8000-0016

[8000-0186] 3-Phase H Cable [ 30' (9.14m) ]
Cable Part Number: 8000-0186

[8000-0187] 3-Phase X Cable [ 30' (9.14m) ]
Cable Part Number: 8000-0187

[8000-0188] Single-Phase H Cable [ 30' (9.14m) ]
Cable Part Number: 8000-0188

[8000-0189] Single-Phase X Cable [ 30' (9.14m) ]
Cable Part Number: 8000-0189

TECHNICAL SPECIFICATIONS

TYPEPortable, lightweight, automatic 3-phase transformer turns-ratio meter
PHYSICAL SPECIFICATIONS18”W x 5”H x 12”D (45.7 cm x 12.7 cm x 30.5 cm ); Weight: 20 lbs (9.1 kg)
INPUT POWER100 – 240 Vac, 50/60 Hz
MEASURING METHODANSI/IEEE C57.12.90
TURNS-RATIO MEASURING RANGE0.8 – 50,000 to 1
BATTERIEStwo lead acid batteries (12V, 2AH) provide up to 3 hours of operation
LTC CONTACT240 Vac, 2A
TYPICAL TURNS RATIO ACCURACY4 Vac: 0.8 – 1,000 (±0.08%), 1,001 – 4,000 (±0.1%), 4,001 – 15,000 (±0.25%)

40 Vac: 0.8 – 1,000 (±0.05%), 1,001 – 4,000 (±0.1%), 4,001 – 15,000 (±0.25%), 15,001 – 20,000 (±0.4%) , 20,001 – 50,000 (±0.5%)

100 Vac: 0.8 – 1,000 (±0.05%), 1,001 – 4,000 (±0.1%), 4,001 – 15,000 (±0.25%) , 15,001 – 20,000 (±0.4%), 20,001 – 50,000 (±0.5%)

250 Vac0.8 – 1,000 (±0.03%), 1,001 – 4,000 (±0.1%), 4,001 – 15,000 (±0.2%) , 15,001 – 20,000 (±0.4%), 20,001 – 50,000 (±0.5%)

TEST VOLTAGES4 Vac @ 120 mA, 40 Vac @ 50 mA, 100 Vac @ 20 mA, 250 Vac @ 10 mA
CURRENT READING RANGE0 – 1 Ampere, accuracy: ±0.1mA, ±2% of reading (±1 mA)
DISPLAYback-lit LCD screen (128 x 64 pixels); viewable in bright sunlight and low-light levels
PHASE ANGLE MEASUREMENT0 – 360 degrees; accuracy: ±0.2 degree (±1 digit)
PRINTERbuilt-in 4.5” wide thermal printer
COMPUTER INTERFACESBluetooth, USB port
PC SOFTWAREWindows®-based transformer turns-ratio analysis software is included with purchase
INTERNAL TEST RECORD STORAGEstores 112 complete transformer test records, each record holding the test record header and up to 99 readings
INTERNAL TEST PLAN STORAGEstores up to 128 transformer test plans; plans can be transferred to PC.
EXTERNAL TEST RECORD STORAGEup to 999 test records on external USB flash drive (drive not included)
SAFETYdesigned to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92 standards
HUMIDITY90% RH @ 40°C (104°F) non-condensing
TEMPERATUREOperating: -10°C to +50°C (+15°F to +122°F)
Storage: -30°C to +70°C (-22°F to +158°F)
ALTITUDE2,000 m (6,562 ft) to full safety specifications
CABLESOne 15-foot (4.57m) single-phase set, one 15-foot (4.57m) 3-phase set, one 25-foot (7.62m) extension set, one safety ground, one USB, cable bag
OPTIONSshipping case, 30′ (9.14 m) 3-phase H and X leads, 30′ (9.14 m) single phase H and X leads
WARRANTYone year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F). Last updated on January 21, 2019

PART NUMBERS
  • 9106-UC [TRF-250A]
  • 9106-SC [TRF-250A shipping case]

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Doble Engineering Company

Doble Engineering Company