ANSI C39.5 : 1974
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
SAFETY REQUIREMENTS FOR ELECTRICAL AND ELECTRONIC MEASURING AND CONTROLLING INSTRUMENTATION
03-15-2022
01-12-2013
Requirements to ensure protection to specify tests and terminology in safety matters. Requirements for safety applicable to C39. More stringent requirements may be included. Excludes following instruments. Weather proof for use in hazardous locations. Shock proof, vibration proof for medical applications which generate power for test purposes; built to military specifications. Additional requirements may apply with rated circuit to ground voltages exceeding 10 kilovolts or frequencies exceeding 100 kilohertz. Excludes instruments from extra low energy source without fire hazard. See Article 725 C1 and X4.12-1970. concerned only with safety.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.