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Chapter 4 Command Reference
Identification Command
4-8 User’s Guide
Identification Command
*IDN?
This query returns the 58502A identification.
A sequence of ASCII-encoded bytes:
HEWLETT-PACKARD, 58502A, XXXXY–ZZZZZ, WWWW – V
where 58502A is the product model number, XXXXYZZZZZ is the
product serial number, and WWWW is the product’s firmware revision
date code, and V is the hardware revision letter.
In the product serial number (XXXXY–ZZZZZ):
– XXXX is a four-digit prefix that identifies a series of instruments.
– Y identifies the country in which the instrument was manufactured
(e.g., the “A” in 3752A000123 stands for America).
– ZZZZZ is a five-digit suffix that identifies a particular instrument
within a series.
For example,
HEWLETT-PACKARD, 58502A, 3752A–00123,3422 – A