Megger MTO 330 User manual

Revised 6/18/2014 Page 1
MTO 330 Quick Start Guide
1) Connect Leads / Power / Ground
Before After
2) Turn Instrument On
3) Wait for the Menu to Display. Click the large button to Launch (Legacy MTO will automatically
launch PowerDB)
To Ground Source
To High Voltage
Primary Winding
To Low Voltage
Secondary/Tertiary Winding

Revised 6/18/2014 Page 2
MTO 330 Quick Start Guide
4) Fill out the form (this is form MTO WINDING RESISTANCE - 56353)
REQUIRED
RECOMMENDED
New forms can be selected by clicking then
5) Left Click/Hit Enter on to View/Change Instrument Settings
6) Left Click/Hit Enter on to View/Change Form/Tap Settings
OPTION NOT AVAILABLE ON
NON-TOUCHSCREEN
LEGACY INSTRUMENT

Revised 6/18/2014 Page 3
MTO 330 Quick Start Guide
7) Start the Test
1. LEFT CLICK TO START
(OR ARROW TO ROW AND HIT )
3. Use the
SELECT WHAT YOU WANT TO TEST BASED ON VALUES FROM STEP 4 RECOMMENDED
VALUES FILLED IN FROM STEP 4 RECOMMENDED
2. RIGHT CLICK CELL TO RUN TESTS ON INDIVIDUAL WINDING OF TAP
NOT AVAILABLE ON NON-TOUCHSCREEN LEGACY INSTRUMENT

Revised 6/18/2014 Page 4
MTO 330 Quick Start Guide
8) Run the Test LEFT CLICK/HIT ENTER TO START
9) Finish the Test
LEFT CLICK/HIT ENTER TO FINISH (WINDOW WILL CLOSE AUTOMATICALLY WHEN COMPLETE IF
SELECTED IN STEP 5)

Revised 6/18/2014 Page 5
MTO 330 Quick Start Guide
10) Save Results LEFT CLICK/HIT ENTER TO SAVE
Once file is saved, file will automatically save after each test (without prompt)
Type in File Name Here