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DV-Power TRT33 True Three Phase Turns Ratio Testers

True Three Phase Transformer Turns Ratio Tester

Features:

• Test voltages from 1 to 100 V AC
• Single-phase test voltage
• True three-phase test voltage
• The best turns ratio accuracy of 0.03%
• Automatic vector group detection
• Built-in tap changer control unit
• Detailed analysis of test results using DV-Win software
• Interchangeable test leads with Three-phase Winding Ohmmeters & Tap Changer Analyzers TWA
 
  TRT33A TRT33B TRT33C
TEST VOLTAGES (1,8,40,100) V AC
3x(1,8,40,100)√3 V AC
(1,10,40,100) V AC
3x(1,10,40,100)√3 V AC
(1,8,40,80) V AC
3x(1,8,40,80)√3 V AC
RATIO RANGE 0,8 to 50 000
(5-digit Resolution)
0,8 to 50 000
(5-digit Resolution)
0,8 to 50 000
(5-digit Resolution)
BEST RATIO ACCURACY 0,05 % 0,05 % 0,05 %
EXCIT. CURRENT RANGE 0 – 2 A 0 – 2 A 0 – 2 A
EXCIT. CURR. ACCURACY ±(0,25% + 500 µA) ±(0,25% + 500 µA) ±(0,25% + 500 µA)
BEST EXCIT. CURR. RESOLUTION 0,1 µA 0,1 µA 0,1 µA
PHASE ANGLE RANGE 360 Degrees 360 Degrees 360 Degrees
PHASE ANGLE ACCURACY ±0,05 Degrees ±0,05 Degrees ±0,05 Degrees
PHASE ANGLE RESOLUTION 0,01 Degree 0,01 Degree 0,01 Degree
USB FLASH DRIVE FEATURE yes yes yes
BUILT-IN TC CONTROL yes yes yes
BUILT-IN THERMAL PRINTER OPTIONAL OPTIONAL OPTIONAL



 

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Transformer Testing

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