Agilent Technologies 856290216 Serial Numbers and Repair Information, Serial Number Label Example

General Information

This HP 8562E Spectrum Analyzer Service Guide contains information required to adjust and service the HP 85623 to the assembly level.

Serial Numbers and Repair Information

Hewlett-Packard makes frequent improvements to its products to enhance performance, usability, or reliability. Hewlett-Packard service personnel have access to complete records of design changes to each type of equipment, based on the equipment serial number. Whenever you contact Hewlett-Packard about a product, have the complete serial number available to ensure obtaining the most complete and accurate information possible.

The serial number label is usually attached to the rear of the product. The serial number has two parts: the prefix (two letters and the first four numbers), and the suffix (the last four numbers).

Serial Number Label Example

The two letters identify the country in which the unit was manufactured. The four numbers of the prefix are a code identifying the date of the last major design change incorporated in your Hewlett-Packard product. The four-digit suffix is a sequential number and, coupled with the prefix, provides a unique identification for each unit produced. Whenever you list the serial number or refer to it in obtaining information about your Hewlett-Packard product, be sure to use the complete number, including the full prefix and the suffix.

Units which were produced before the serial number format was changed may also be covered by this documentation. On earlier serial number labels, the prefix consists of the first four numbers and a single letter. The suffix is a five-digit sequential number.

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