Operation Manual
Page 2 of 2 
CONTENTS 
Introduction ...........................................................................................................................................................................................................5 
Overview.................................................................................................................................................................................................................7 
Instrument layout and display .......................................................................................................................................................................7 
Controls...................................................................................................................................................................................................................9 
Rotary switch....................................................................................................................................................................................................9 
Range and cursor control.............................................................................................................................................................................10 
Backlight and hold.........................................................................................................................................................................................11 
Setup................................................................................................................................................................................................................12 
Operation..............................................................................................................................................................................................................13 
General testing procedure............................................................................................................................................................................13 
Operating modes ...........................................................................................................................................................................................13 
Connection to cable under test ...................................................................................................................................................................14 
Velocity factor................................................................................................................................................................................................16 
Pulse widths....................................................................................................................................................................................................17 
Techniques............................................................................................................................................................................................................18 
Test the cable from both ends.....................................................................................................................................................................18 
Care and maintenance.........................................................................................................................................................................................18 
Battery ...................................................................................................................................................................................................................19 
Battery replacement.......................................................................................................................................................................................19 
Battery indicator ............................................................................................................................................................................................20 
Specifications........................................................................................................................................................................................................21 
Waste electrical and electronic equipment.......................................................................................................................................................23 
Test Lead selection..............................................................................................................................................................................................25 
Repair and warranty ............................................................................................................................................................................................26 
Megger contact information .................................................................................................................................................................................. 










