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IEC 63305:2024 pdf download,Underwater acoustics – Calibration of acoustic wave vector receivers in the frequency range 5 Hz to 10 kHz. Usually, acoustic wave vector receivers are designed and constructed based on one of two principles. One is the sound pressure difference (gradient) principle. When measuring with this sensor, the vector receiver is rigidly fixed […]
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IEC 60676:2024 pdf download,Industrial electroheating equipment – Test methods for direct arc furnaces. IEC 60676:2024 specifies the basic test procedures,conditions and methods for establishing the main performance parameters and the main operational characteristics of furnaces for directarc heating,forming arcs between the electrode and metal,such as electric arc furnaces usingalternating current(EAF AC)or direct current(EAF DC)，and ladle
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IEC 61540:2023 pdf download, Portable residual current devices (PRCDs) without integral overcurrent protection for household and similar use. IEC 61540:2023 applies to portable residual current devices (PRCDs) for household and similar uses, consisting of a plug, a residual current device (RCD) and one or more socket-outlets or a provision for connection. They do not incorporate
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IEC 62991:2022 pdf download,Particular requirements for source switching equipment (SSE). IEC 62991:2022 applies to source switching equipment, hereafter referred to as SSE, for household and similar uses, primarily intended to be used for energy efficiency (EE) purposes with local production and/or storage of energy. SSE is intended to be installed in low voltage prosumer electrical
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IEC 60867:2022 pdf download, Insulating liquids – Specifications for unused liquids based on synthetic aromatic hydrocarbons. IEC 60867:2022 covers specifications and test methods for unused synthetic aromatic hydrocarbons intended for use as insulating liquid in cables and capacitors.
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IEC 60691:2023 pdf download,Thermal-links – Requirements and application guide. IEC 60691:2023 is applicable to thermal-links intended for incorporation in electrical appliances, electronic equipment and component parts thereof, normally intended for use indoors, in order to protect them against excessive temperatures under abnormal conditions. IEC 60691:2023 may be applicable to thermal-links for use under conditions other
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IEC 61591:2023 pdf download,Cooking fume extractors – Methods for measuring performance. IEC 61591:2023 applies to cooking fume extractors incorporating a fan for the recirculation or extraction mode situated in a household kitchen. It can also be used for cooking fume extractors where the fan is mounted separately from the appliance, but controlled by the appliance
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IEC 60379:2023 pdf download,Methods for measuring the performance of electric storage water heaters for household purposes. IEC 60379:2023 specifies methods for measuring the performance of electric storage water heaters to produce domestic potable or non-potable hot water for household and similar use. The object is to state and define the principal performance characteristics of electric
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IEC 60567:2023 pdf download, Oil-filled electrical equipment – Sampling of free gases and analysis of free and dissolved gases in mineral oils and other insulating liquids – Guidance. IEC 60567:2023 deals with the techniques for sampling free gases from gas-collecting relays from power transformers. Three methods of sampling free gases are described. The techniques for
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IEC 60437:2023 pdf download, Radio interference test on high-voltage insulators. IEC 60437:2023 specifies the procedure for a radio interference (RI) test carried out in a laboratory on clean and dry insulators at a frequency of 0,5 MHz or 1 MHz or, alternatively, at other frequencies between 0,5 MHz and 2 MHz. IEC 60437:2023 applies to
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