Rechercher

Applies to letter and graphical symbols for a.c. electricity meters and their auxiliary devices, independent of induction or static measurement elements. All the symbols included in this standard may be marked on the name-plate, dial plate, external labels or accessories of the meter.

Standardizes test methods to determine the essential parameters and technical characteristics of electro-heat installations comprising industrial induction channel furnaces for melting, holding and super-heating.

Gives limit dimensions of thread for metal or plastic and ceramic lampholders with shade holder rings made of metal or plastic. Dimensions for 'Go' and 'Not go' gauges for shade holder rings and for lampholders are also included.

Applicable more particularly to instrumentation for direct cycle boiling water power reactors and includes a new clause concerning reactor control. The IEC 60231 series of standards is no longer up-to-date and will not be revised by IEC. The standards are maintained for the time being for bibliographical purposes and because they were used in the past for the design of nuclear power plants which…

This new edition contains many new terms associated with pulse operation of microwave tubes as well as new terminology relating specifically to amplifier tubes and oscillator tubes. Four new sections covering terminology applicable to disk seal tubes, magnetrons, high-power klystrons and gas-filled microwave switching tubes have been added. This recommendation provides users and manufacturers of…

1. Scope 1.1 This Standard applies to cord-connected electric clocks intended for use in household and other ordinary (non-hazardous) indoor locations in accordance with the rules of the Canadian Electrical code, Part I, and having a rating not exceeding 125 volts a.c. and 30 watts input. 1.2 This Standard includes household clocks with and without alarms and dial lights, and digital…