Technical Specification - Raytech TR-MARK III Instruction Manual

9 Technical Specification

Features
Features
Automatic measurements of Voltage, Turns Ratio, Current, and Phase displacement
•
Turns ratio range 0.8 to 16000
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Easy one time hook up to the transformer
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Automatic test voltage range
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Displays deviation from a nominal ratio
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Graphical tap changer display
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Tap changer interface (In- and Output)
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Load on test object <0.05 VA
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Measures Power transformers PT's and CT's
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Displays % error vs. name plate value
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Automatic phase vector detection
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Enhanced heavy-duty protection circuitry
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Extremely rugged (withstands a drop test of 1 meter)
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Data exchange with USB-Key
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Internal Printer
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Measurement Parameters
Ratio:
Resolution: 5 Digits
100V, Range
40V
0.8 ... 2000
2001 ... 4000
4001 ... 13000 ±0.3%
13000 ... 16000 ±0.4%
10V Range
0.8 ... 500
501 ... 1000
1001 ... 3250
3251 ... 4000
1V Range
0.8 ... 50
51 ... 100
101 ... 325
326 ... 400
Current
Range
0 ... 1A
90100.1.02 Instruction Manual TR-MARK III
Accuracy at 100 V or 40 V
±0.06% Rdg ±1 LSD
±0.1% Rdg ±1 LSD
Rdg ±1 LSD
Rdg ±1 LSD
Accuracy at 10 V
0.1%
± Rdg ±1 LSD
0.12%
± Rdg ±1 LSD
0.3%
± Rdg ±1 LSD
0.4%
± Rdg ±1 LSD
Accuracy at 1 V
0.1%
± Rdg ±1 LSD
0.15%
± Rdg ±1 LSD
0.3%
± Rdg ±1 LSD
0.4%
± Rdg ±1 LSD
Accuracy Resolution
±0.001 A 0.1mA
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