Standard definitions and methods of measurement for piezoelectric vibrators operating over the frequ...
Contains a discussion of the determination of the parameters of a piezoelectric vibrator by the transmission method.
The contents of corrigendum of February 1971 have been included in this copy.
Coaxial cable connectors used in nuclear instrumentation
Establishes standard dimensions of the mating parts of coaxial cable connectors associated with all electrical measuring instruments used in nuclear instrumentation.
Tube and valve shields - Part 1: General requirements and methods of test
Establishes uniform requirements for judging the mechanical, electrical and climatic properties of shields, describes test methods and gives recommendations for standard dimensions.
Replaces IEC 272. Covers the selection and implementation of reliability and maintainability activities, appropriate to each of the defined phases of the life of electrotechnical products. Provides management guidelines for establishing reliability and maintainability programmes applicable in varying degrees to the complete life cycle of electrotechnical products. Serves as a general standard…
Methods of measurement of performance of vacuum cleaners for household and similar use
States and defines the principal performance characteristics of vacuum cleaners which are of interest to the user and describes the standard methods for measuring these characteristics.
Applies to new voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz.
The general requirements apply to all voltage transformers, but, for certain types, e.g. capacitor voltage transformers, the requirements are subject to the modifications stated in the appropriate chapter. Although the requirements relate…
1. DEFINITION
1.1 This standard applies to two types of gasoline suitable for use in automotive and spark ignition engines operating under all climatic conditions.
Pipes, Ducts and Fittings for Residential Type Air Conditioning Systems
1. SCOPE
1.1 This Standard applies to pipes, ducts, and fittings manufactured for use
in residential type air conditioning systems, (winter, summer, or year round)
in the following classifications:
(a) Flue pipe, vent connectors, elbows, angles, and accessories;
(b) Plenum chambers, ducts, and accessories;
(c) Take-offs;
(d) Round duct, elbows, angles,…
