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These values are calculated from the analog inputs of the USB device.
 Signal input
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Selects the physical input and the gain of the USB device M302 / M312.
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 Filter
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Here you adjust the frequency range of the displayed value fmin to fmax.
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 Measurand and unit
The connected sensor determines the available options. Velocity and displacement are calculated from acceleration by integration.
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 Characteristic
The following options are available:
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Current value
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Indicates the current value of the alternating signal.
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4 peak values:
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Positive, negative, absolute, peak-to-peak
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True RMS:
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Root mean square value
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Main frequency:
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Frequency with the highest magnitude
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Mono harmony
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Total harmonic distortion, deviation from pure sine-wave
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Crest factor:
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Ratio of absolute peak and RMS
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 Time window
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Time interval for calculating the characteristic value.
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