IEC 62262:2002 pdf download
IEC 62262:2002 pdf download.Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code) 1 Scope This standard refers to the classification of the degrees of protection provided by enclosures against external mechanical impacts when the rated voltage of the protected equipment is not greater than 72,5 kV. This standard is only applicable to enclosures of...
IEC 60903:2002 pdf download
IEC 60903:2002 pdf download.Live working – Gloves of insulating material 1 Scope This International Standard is applicable to: – insulating gloves and mitts which should normally be used in conjunction with leather protector gloves worn over the insulating gloves to provide mechanical protection; – insulating gloves and mitts usable without over-gloves for mechanical protection. Unless otherwise stated, the use of...
IEC 61842:2002 pdf download
IEC 61842:2002 pdf download.Microphones and earphones for speech communications 1 Scope This standard applies to the microphone part and earphone part of handsets, headsets or earsets for speech communications, and also to the microphone units and earphone units of built-in handsets, headsets or earsets. The object of this standard is to establish definitions relating to these electroacoustic transducers, and to...
IEC 61922:2002 pdf download
IEC 61922:2002 pdf download.High-frequency induction heating installations – Test methods for the determination of power output of the generator 1 Scope and object This International Standard is applicable to industrial radio- or high-frequency induction heating installations used for the purpose of thermal applications (e.g. for surface hardening, welding, soldering, melting, forging, zone refining of semiconductors, etc.). This standard relates to...
IEC 61972:2002 pdf download
IEC 61972:2002 pdf download.Method for determining losses and efficiency of three-phase cage induction motors 1 Scope This International Standard is applicable to three-phase cage induction motors and establishes two methods for determination of efficiency: • Method 1 : for motors tested by using a torque measurement device, with additional load losses derived from measurements; • Method 2: for motors tested...
IEC 62028:2002 pdf download
IEC 62028:2002 pdf download.General methods of measurement for digital television receivers 1 Scope IEC 62028 deals with the standard conditions and methods of measurement on digital television receivers which receive digital television broadcast transmissions. IEC 62028 deals with the determination of performance and allows the comparison of equipment by listing the characteristics which are useful for specifications and by laying...
IEC 61967-1:2002 pdf download
IEC 61967-1:2002 pdf download.Integrated circuits – Measurement of electromagnetic emissions, 150 kHz to 1 GHz Part 1: General conditions and definitions 1 Scope This part of IEC 61 967 provides general information and definitions on measurement of conducted and radiated electromagnetic disturbances from integrated circuits. It also provides a description of measurement conditions, test equipment and set-up as well as...
IEC 61986:2002 pdf download
IEC 61986:2002 pdf download.Rotating electrical machines – Equivalent loading and super-position techniques – Indirect testing to determine temperature rise 1 Scope This International Standard applies to machines covered by IEC 60034-1 when they cannot be loaded to a specific condition (rated or otherwise) for whatever reason. It is applicable to both motors and generators but the methods are not suitable...
IEC 62219:2002 pdf download
IEC 62219:2002 pdf download.Overhead electrical conductors – Formed wire, concentric lay, stranded conductors 1 Scope This International Standard specifies the electrical and mechanical characteristics of concentric lay, overhead conductors of wires formed or shaped before, during or after stranding, made of combinations of any of the following metal wires: a) hard aluminium as per IEC 60889 designated A1 ; b)...
IEC 60052:2002 pdf download
IEC 60052:2002 pdf download.Voltage measurement by means of standard air gaps 1 Scope IEC 60052 sets forth recommendations concerning the construction and use of standard air gaps for the measurement of peak values of the following four types of voltage: a) alternating voltages of power frequencies; b) full lightning impulse voltages; c) switching impulse voltages; d) direct voltages. Air gaps...