Rechercher

Applies to coaxial connectors associated with electrical measuring instruments used in nuclear instrumentation. Establishes standard dimensions of the mating parts, construction and mounting rules, voltage rating and test voltages, mininium insulation requirements, maximum contact resistances and operating conditions for two types of high-voltage connectors.

States and defines the principal performance characteristics of electric warming plates which are of interest to the user, and describes the standard methods for measuring these characteristics. Contains objective dimensions of the warming surface for the measuring methods concerning heating-up time, temperature of the warming surface, ability to keep warm, and temperature of the supporting…

Defines certain terms used in this series of publications. Lays down the standard test conditions for the power supply and the environment, and also some conditions deviating from standard test conditions.

Applies to electric kettles and jugs with a capacity up to 2,5 l. States and defines the principal performance characteristics which are of interest to the user and describes the standard methods for measuring these characteristics.

Defines a modular instrumentation system capable of linking transducers and other devices with digital controllers or computers. It consists of mechanical standards and signal standards sufficient to ensure compatibility between units from different sources of design and production. The CAMAC system is primarily designed for nuclear instrumentation but may be utilized also for other applications…

1. Scope 1.1 These requirements apply to flue-connected oil-fired forced warm air heating appliances which provide complete separation of the combustion system, including the air for combustion and flue products from the atmosphere of the living space, for installation in mobile housing and recreational vehicles, irrespective of the heating capacity or the type of burner used. 1.2…

The determination of the value of irregularity cited in the title is of great importance, both for the evaluation of sliver or yarn quality and for active control of preparation for spinning. This standard gives the necessary guidance in this respect and is applicable for the determination of short-term irregularity of linear density of yarns, rovings, and slivers of pure wool from 5 tex up to 40…

Applicable to contents of between 0.005 % (m/m) and 0.3 % (m/m) expressed in sulphuric acid. Preparation of the samples according to ISO 3137. Removal of volatile acids by evaporation and titration of the remaining acidity with standard volumetric sodium hydroxide solution in the presence of phenolphthalein as indicator. The evaporation is carried out on a boiling water bath in a fume cupboard.

Applicable to products containing at least 90 % (m/m) of tetrasodium pyrophosphate and in the absence of more condensed forms of phosphates. The reaction based on conversion of tetrasodium pyrophosphate to disodium dihydrogenpyrophosphate by addition of hydrochloric acid. Introduction of zinc sulfate in solution for precipitation of zinc pyrophosphate and formation of sulphuric acid.…