15
5. Close
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
4.3 Ultrasonic Measurement
(Mainly support the measurement of
transformer inside partial discharge)
1. Ultrasonic sensor connection
Use BNC-BNC cable to connect to the tester CH1 channel BNC port, the other end to the
high frequency current transformer BNC end.
Ultrasonic sensor connection