Several websited sell Tektronix equipment including Tektronix
itself. The Tektronix website is http://www.tek.com/ All of their
products are available to purchase through their website.
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The brand Tektronix does have a line of multimeters. Each
multimeter varies by digital resolution.
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The ticker symbol for Tektronix is TEK and it is traded on the
New York Stock Exchange.