Technical data
Contacting Keysight Technologies 7
N1911A/1912A P-Series Power Meters Service Guide 115
Before Calling Keysight Technologies
Before calling Keysight Technologies or returning the power meter for 
service, please make the checks listed in “Check the Basics” on page 116. 
If your power meter is covered by a separate maintenance agreement, 
please be familiar with the terms.
Keysight Technologies offers several maintenance plans to service your 
power meter after warranty expiration. Call your Keysight Technologies 
Sales and Service Center for full details.
If the power meter becomes faulty and you wish to return the faulty 
instrument, follow the description on how to return the faulty instrument 
in  “Returning Your Power Meter for Service” on page 119.










