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Defines the terms specific to the CAMAC modular instrumentation and digital interface system which forms the subject of several IEC standards. It includes also other terms whose use is well established and those of corresponding characteristics of the NIM system of instrumentation.

Standardizes arc furnace test conditions and methods to determine the main parameters and technical operating characteristics. Applies to industrial three-phase direct arc furnaces, the rated capacity of which is equal to or greater than 0.5 tonne. Also applies to furnaces having one or more electrodes, other than three-phase furnaces.

Lays down definitions and test methods for density meters utilizing ionizing radiation designed for the measurement of the average density of liquids, slurries or fluidized solids. This standard applies to transmission type instruments only. Safety aspects are not included.

This publication also bears the number QC 301800, which is the specification number in the IEC Quality Assessment System for Electronic Components (IECQ). Relates to fixed direct-current capacitors, using as dielectric a polypropylene film and electrodes of thin metal foils. Capacitors for reactive power exceeding 500 var are not covered by this standard. Prescribes preferred ratings and…

Defines the characteristics to be assessed, the test methods to be used and establishes uniform requirements for judging properties and dimensions of single and double sided printed boards with plated-through holes. This standard is intended as a basis on which agreements between purchaser and vendor can be made.

Defines the characteristics to be assessed, the test methods to be used and establishes uniform requirements for judging properties and dimensions of multilayer printed boards. This standard is intended as a basis on which agreements between purchaser and vendor can be made.

Standardizes the test conditions and methods for determining the main parameters and technical characteristics of electroheat equipment using one or more plasma torches. Specifies methods of test for: a)spraying, cutting and welding; b)solid, liquid and gaseous charge heating equipment.

Applies to 32 kHz quartz crystal units for wrist watches. Gives methods of measurement of resonance frequency, resonance resistance, frequency-temperature dependence and frequency pulling. Lays down test methods in accordance with IEC 68-2-6, 68-2-20, 68-2-21 and 68-2-27.

1. Scope 1.1 This Standard sets forth safety requirements and standards for the sub-assemblies and assemblies of regular bicycles, as well as recommended safety measures for their use and care. 1.2 Special bicycles, such as track bicycles design for use on racing tracks and which may not have a normal braking system or other operating systems…