EIA 421-A-1983

$34.45

EIA/NARM Standard for Dry Reed Switches

Published By	Publication Date	Number of Pages
ECIA	1983	56

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Category: ECIA

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Description

This Standard applies to dry reed switches, magnetically
actuated, with hermetically sealed contacts. The Standard provides
the procedure to be used for inspecting, testing and rating various
switch types as defined in the individual Detail Specifications. If
the procedures are followed carefully, the results should be
uniform, correlatable test methods, standard acceptance and
rejection criteria, and a means of comparing ratings of various
manufacturers for similar types of switches. Switches conforming to
this Standard are suitable for use in electrical and electronic
equipment where application is within the stated limits of
operation.

This EIA Recommended Standard is considered to have
international standardization implications. IEC Standards, where
applicable, have been included in this Standard to provide an
international scope to products qualified under this Standard. An
(IEC) indicator precedes paragraphs or sections that are directly
referenced to an IEC Standard.

The test and measurement methods given in this Standard are not
necessarily the only methods that can be used. However, the
manufacturer should be capable of proving that the alternative
methods which he may use will give results equivalent to those
obtained by the methods specified.

Alternative methods shall not be used where methods are
specifically designated to referee or reference methods. (IEC)

It is the purpose of this Standard to provide realistic,
objective testing means to define and determine the quality of a
given product. The intention is to provide the above without
excessive testing costs. The Standard does not apply to
mercury-wetted contacts even though the geometry may be similar to
those of dry reed switches.

Additional information