Recommended Calibration Interval - Keysight Technologies U8480 Series Service Manual

Contacting Keysight 5
– The suffix indicates an alphanumeric code which is used to ensure unique
identification of each product throughout Keysight.
SERIAL NUMBER
SER MY12345678
OPT
Keysight
MADE IN MALAYSIA
Figure 5-1 Serial number

Recommended calibration interval

Keysight recommends a one-year calibration cycle for the U8480 Series.
Keysight U8480 Series Service Guide 45