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After the testing, press” AUTORANGE” key to close automatic trigger till the key light is
off. After closing the automatic trigger, Press” Menu off” to close the menu bar if the
menu bar is popping-up.
AUTORANGE Close
4.4 Ultra-High frequency measurement
(Mainly measure GIS
internal Partial Discharge)
1. Ultra-high frequency sensor connection
Use BNC-SMA cable to connect to the tester CH1 channel BNC port, the other SMA
end to the ultrahigh frequency cable “ OUT+12V” Port.
Ultra-high frequency sensor connection.
2.Tester settings
Open the tester, press and select the current channel to CH1, Press” MENU” key, then
press F1 key to select “ discharge test” as UHF, press F2 Key to set” output voltage”
and “ unit”. When use ultrasonic sensor to conduct measurement it would require output
voltage.