Maintenance 9
Keysight N1913/1914A User’s Guide 237
– from the front panel by pressing , , , .
– from the serial number label.
The serial number label is attached to the rear of each Keysight Technologies
instrument. This label has two instrument identification entries. The first provides
the instruments serial number and the second provides the identification number
for each option built into the instrument.
The serial number is divided into two parts: the prefix (two letters and the first four
numbers), and the suffix (the last four numbers).
– The prefix letters indicate the country of manufacture. This code is based on
the ISO international country code standard, and is used to designate the
specific country of manufacture for the individual product. The same product
number could be manufactured in two different countries. In this case the
individual product serial numbers would reflect different country of
manufacture codes. The prefix also consists of four numbers. This is a code
identifying the date of the last major design change.
– The suffix indicates an alpha numeric code which is used to ensure unique
identification of each product throughout Keysight Technologies.
Recommended Calibration Interval
Keysight Technologies recommends a two- years calibration cycle for the N1913/
1914A EPM Series power meter.
SERIAL NUMBER
SER
MY12345678
OPT
MADE IN MALAYSIA
Keysight
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