Specifies the apparatus, the preparation and number of samples, and the test procedure; describes the expression of results and the contents of the test report. This second edition cancels and replaces the first edition (1972).
Method for evaluating the low temperature flow properties of mineral insulating oils after ageing
Describes a method for assessing the changes in activity of pour point depressant additives in inhibited and uninhibited mineral insulating oils when aged in the presence of insulating kraft paper. The contents of the corrigendum of December 1993 have been included in this copy.
Semiconductor convertors - General requirements and line commutated convertors - Part 1-1: Specifica...
Specifies the requirements for the performance of all electronic power convertors and electronic power switches using controllable and/or non-controllable electronic valves. Specifies the requirements applicable to line commutated convertors for conversion of a.c. power to d.c. power or vice versa including tests and service conditions which influence the basis of rating.
The contents of the…
Steel and iron — Determination of chromium content — Flame atomic absorption spectrometric method
The publication of ISO 10138 gives rise to the cancellation of ISO 4936:1984. The method described determines chromium in non-alloy and low-alloy steels and iron. It is applicable to chromium contents between 0,002 % (m/m) and 2,0 % (m/m). Specifies normative references, principle, reagents, apparatus, sampling, procedure, expression of results and test report. Procedures for the determination of…
Safety of household and similar electrical appliances - Part 1: General requirements (Third edition)
This third edition of IEC 60335-1(1991) and its 1st amendment (1994) covers the general requirements for safety of household appliances. All parts 2s, dealing with particular requirements, should be used in conjunction with this 3rd edition, except parts 2-57 and 2-63.
The contents of the corrigenda of February 1993 and August 1994 have been included in this copy.
Transformers for tubular discharge lamps having a no-load output voltage exceeding 1000 V (generally...
Applicable to independent and built-in single-phase transformers with separate input and output windings, for use on a.c. supply up to 1000 V at 50 Hz or 60 Hz, to supply and stabilize cold cathode tubular lamps (or assemblies of such lamps) having a no-load rated output voltage exceeding 1000 V but not exceeding 10 000 V and intended for lighting and for electric advertising signs, light signals…
Capacitors for use in tubular fluorescent and other discharge lamp circuits. Performance requirement...
Specifies the requirements for both self-healing and non-self- healing continuously rated a.c. capacitors of up to and including 2,5 kvar, and not less than 0,1 F, having a rated voltage not exceeding 1 000 V, which are intended for use in discharge lamp circuits operating at 50 Hz or 60 Hz and at altitudes up to 3 000 m. Does not cover radio-interference suppressor capacitors, the requirements…