4 Quick Start Guide
4.1 Instrument operation
Wait until the green light shows “Save” before handling the cables
If you are new to transformer turns ratio testing, please read the entire
manual carefully before operating this equipment.
All operation can be done by the integrated touch panel.
“Overcurrent” error will be displayed with some configurations.
It is OK to run through all the transformer selections with the leads tied
together.
1. Switch on the instrument.
2. In case of ‘New Transformer’:
To repeat last Mesurement, tap
Select Transformer Type and
’GO ABC’. Tap ‘New’ for a new
Test Voltage, then touch ‘Go’
Transformer.
3. Press ‘Go ABC’ or ‘Go…’ to
4. Get the results
start a measurement.
WARNING!
Do not touch the test clips if the safety indication is red.
Test voltage will be present.
90100-2.20 Instruction Manual TR-MARK III 250V
Page 12 of 68