T&R KV30-40, Operating And Maintenance Manual

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5. OVERALL PERFORMANCE SPECIFICATION
5.1 Insulation resistance at 1000V DC
Not less than 10 megohms between mains input and frame.
5.2 Applied voltage test
2kV RMS for 1 minute between mains input and frame
5.3 Accuracy of instruments
KV meter ±1.5% at full scale
mA meter ±1.5% at full scale
5.4 H V Transformer
2.5kV RMS for 1 minute between primary and earth
2.5kV RMS for 1 minute between earthy end of secondary and earth
5.5 Complete Equipment
Over voltage test
Equipment run for 5 minutes at 115% of normal output voltage
Flash over-test
6 flash-overs direct to ground at 100% of normal output voltage