Tektronix 2221A User Manual page 2

Instrument Serial Numbers
Each instrument manufactured by Tektronix has a seriai number on a panel insert or tag, or stamped on the
chassis. The first letter in the serial number designates the country of manufacture. The last five digits of the
serial number are assigned sequentially and are unique to each instrument. Those manufactured in the
United States have six unique digits. The country of manufacture is identified as follows:
B010000 Tektronix, Inc., Beaverton, Oregon, USA
E200000 Tektronix United Kingdom, Ltd., London
J300000 Sony/Tektronix, Japan
H700000 Tektronix Holland, NV, Heerenveen, The Netherlands
Instruments manufactured for Tektronix by external vendors outside the United States are assigned a two digit
alpha code to identify the country of manufacture (e.g., JP for Japan, HK for Hong Kong, IL for Israel, etc.),
Tektronix, Inc., RO. Box 500, Beaverton, OR 97077
Printed in U.S.A,
Copyright © Tektronix, Inc., 1989, 1993. All rights reserved. Tektronix products are covered by U.S. and
foreign patents, issued and pending. The following are registered trademarks: TEKTRONIX, TEK,
TEKPROBE, and SCOPE-MOBILE.