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Digital-Multimeter M 3860-M Order No.: 12 39 00 Attention!
Digital-Multimeter M 3860-M Order No.: 12 39 00 Attention!

... b) electromagnetic fields (transformers, motors, coils, relays, contactors, electromagnets etc. ) c) electrostatic fields (charge/discharge). d) transmission antennas or hf-generators • For measurement use only those test leads which are supplied with the measuring unit. Only these are admissible. • ...
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... Either of two red LED’s may be set to indicate when output is on or off, or they may be disabled 10 A at 240 VAC, 8 A at 24 VDC contact rating; safety certification: VDE, UL, CSA Coil to contacts :Safety rated to 250VAC, 4.2 kV peak; Between open contacts : Withstand 1 kVrms Pick-up: 26 milliseconds ...
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... imaginary component or the magnitude of the susceptibility alone gives sufficient information. In these situations dual phase data acquisition is a convenient way to record data and not have to worry about any phasing of the system or worry about phase variations with frequency if multiple frequency ...
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Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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