selective voltmeter DMS-4

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The voltmeter selective & nbsp; DMS-4 & nbsp; for measurement of the sinusoidal voltage in a narrow frequency band

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microvoltmeter DMS-4 can select individual harmonic components of a complex signal and determine the rms value of the voltage

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DMS-4 Specification:. < / p>

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frequency range - & nbsp; 300 MHz to 1000 MHz (300 MHz to 550 MHz from 550 Hz to 1000 Hz)

measurement ranges. :

- & nbsp; from 0 to 3 mV; from 0 to 10 mV;

- by LIN scale - & nbsp; -4 dB to 10 dB;

- scale LOG - & nbsp; 0 to 40 dB

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bandwidth - 120 kHz; 20kHz

Input resistance -.. 50 Ohm

Maximum input voltage of - 5V

Output impedance -. 50 Ohm

. The output frequency of - 2.1 MHz

voltage AC - 220.; 127; . 115

AC frequency - from 48 Hz to 450 Hz

Power consumption DMS-4 - 15 & middot;.. A

Voltage DC . current - 12

power supply from the battery - 10 & times; 1.5 In

dimensions - 440 & times;. 230 & times; 350mm

Weight -. not more than 15,84 kg

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Selective micro voltmeters used to measure fundamental frequency voltage or one of the harmonic components of the complex waveform. The principle of operation involves the separation of individual harmonic components of the signal or the narrow bandwidth signal with a tunable band pass filter and the rms value of the selected signals.