The Vanguard TRI-PHASE True Three Phase TTR generates three-phase transformer test voltages from a single-phase AC or DC power source. Three test voltages (8 Vac, 40 Vac, 100 Vac) allow the Vanguard TRI-PHASE to test CT’s and PT’s, as well as power transformers.
Vanguard TRI-PHASE True Three Phase TTR Specifications:
Type True, 3-phase transformer turns ratio tester
Physical Specifications 21”W x 9”H x 17”D (53 cm x 24 cm x 43 cm ); Weight: 35 lbs (15.8 kg)
Input Power 3 amps, 100 ¬ 240 Vac, 50/60 Hz
Measurement Method ANSI/IEEE C57.12.90
Turns Ratio Measuring Range 0.8 ¬ 15,000 (5-digit resolution)
Turns Ratio Accuracy 0.8 – 999: ±0.1%, 1000 – 1599: ±0.2%, 1600 – 9999: ±1%, 10,000 – 15,000: 1.5% @ 8 Vac
0.8 – 999: ±0.1%, 1000 – 1599: ±0.2%, 1600 – 9999: ±1%, 10,000 – 15,000: 1.5% @ 40 Vac
0.8 – 999: ±0.1%, 1000 – 1599: ±0.2%, 1600 – 9999: ±1%, 10,000 – 15,000: 1.5% @ 100 Vac
Test Voltages Three-phase, 8 Vac @ 1 Amp, 40 Vac @ 0.2 Amps, 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 (128 x 64 pixels) 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)
Internal Test Record Storage Can store 112 transformer test records internally. Each record holds the test record header and up to 99 readings.
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
Pc Software Windows®-based Transformer Turns Ratio Analyzer application is included with purchase price
Load Tap Changer Contact 240 Vac, 1 Amp
Safety Designed to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92 standards
Environment Operating: -10°C to +50°C (+15°F to +122°F); Storage: -30°C to +70°C (-22°F to +158°F)
Humidity 90% RH @ 40°C (104°F) non-condensing
Altitude 2,000 m (6,562 ft) to full safety specifications
Cables One 15-foot (4.57m) single-phase set, one 15-foot (4.57m) three-phase set, one 25-foot (7.62m) extension set, one ground cable, one USB cable, one RS-232C cable, power cord, cable bag
Each Protec office maintains a full complement of electrical test and measurement equipment. Offering equipment from all of the premiere manufacturers for rent, lease or purchase, Protec has the electrical testing equipment you need to get the job done.
