Signal settings for VC and Nano lines
This panel shows the relevant settings for the measuring channel. They are identical for VC and Nano lines.
 Channels
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Signal conditioning can be set for each channel individually. VM-OCT can display different characteristics for one sensor.
The number of tabs depends on the entered channel number. The channel color can be changed by right mouse click.
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 Signal input
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Selects the used M302/M312 device and the inputs with connected accelerometers.
The gain setting determines the measuring range.
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 Measurand and unit
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For the measurement of VC and Nano lines vibration velocity in µm/s is the relevant measurand.
It is preset and cannot be changed.
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 Characteristic value
The diagram can display RMS and peak values simultaneously. Peak values are indicated in brighter color on top of the RMS bars. The following calculation modes are available:
RMS (calculated for the entered time window), relevant for measurements according to VDI 2038-2.
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... with rectangular time window
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Displays the mean value during the past sliding time window
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... with exponential time window
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Higher mean values are indicated immediately and decay with the entered time
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off
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No peak display
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... with rectangular time window
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Displays the peak value during the past sliding time window
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... with exponential time window
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Higher peak values are indicated immediately and decay with the entered time
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Peak hold
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Maximum peak value since start of VM-OCT
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 Time window
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Time window for RMS and peak calculation, 0.1 to 100 s
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