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ASA American Standard Requirements for Electrical Indicating Instruments Panel, Switchboard, and Portable Instruments
Revision Standard - Inactive-Withdrawn.
This standard applies to the following kinds of electrical indicating instruments for direct and alternating current, including instruments with prefixes such as micro-, kilo-, etc:
1.2 This standard may apply, with suitable exceptions, to instruments constructed for special requirements. For example, ultrasensitive direct-current micro ammeters, high-resistance voltmeters, thermo-milliammeters, thermo-voltmeters of the vacuum-couple type, and instruments with special and unusual ranges.
1.3 This standard does not apply to the following kinds of instruments:
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