Megger TTRU1 - Technical Specifications

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11
Max Technical Specifications
Max Technical Specifications
TTR
Turns ratio measurement
methods Single phase step up
Single phase step down
Turns ratio range
and accuracy
Step down excitation
25-50 V
±0.05 % 0.8 – 1000
±0.10 % 1001 – 2000
±0.30 % 2001 – 15000
±1.0 % 15000 +
1-24 V
±0.10 % 0.8 – 1000
±0.20 % 1001 – 2000
±0.60 % 2001 – 15000
±2.0 % 15000 +
Step up measurement
25-250 V
±0.05 % 0.8 – 200
(most Power Tx)
1-24 V
±0.10 % 0.8 – 200
Excitation current
resolution
Resolution 0.1 mA, 0.1 mA – 100 mA
1.0 mA, 101 mA – 1000 mA
Excitation current
accuracy ±1 % Reading, ±0.1 mA
Frequency accuracy ±1 % Reading, ±0.1 Hz
Phase range 0 – 360 °
Phase accuracy ±0.05 °
Max voltage output 45 V AC peak
SCI
Impedance measurement
methods Single phase
Frequency range 40 – 480 Hz
Impedance measurement
range 0.1 Ω - 700 Ω
Impedance accuracy ±1 % reading, ±0.01 %
±1 % reading, ±0.10 m Ω
Reactance measurement
range 0.1 Ω - 700 Ω
Reactance accuracy ±1 % reading, ±0.01 %
±1 % reading, ±0.10 mΩ
Inductance accuracy ±1 % reading, ±10 µH
Power factor Range 0.1 % – 100 %
Power factor accuracy ±5 % reading, ±0.1 %
AC current accuracy ±0.2 % reading, ±0.1 mA