RKC INSTRUMENT SBR-EW180, User Manual

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IMSBR10-E1
Integration Time of the A/D Converter
The recorder uses an A/D converter to convert the sampled analog signal to a digital signal. By setting the
integration time of the A/D converter to match the time period corresponding to one cycle of the power supply or
an integer multiple of one cycle, the power supply frequency noise can be effectively suppressed.
The integration time of the A/D converter is selected according to the model from the table below.
Model Integration Time of the A/D Converter
Pen model Select 16.7 ms (60 Hz), 20 ms (50 Hz), or Auto
Dot model Select 16.7 ms (60 Hz), 20 ms (50 Hz), 100 ms or Auto
• If Auto is selected, the recorder detects the power supply frequency and automatically selects 16.7 ms or 20
ms.
• Because 100 ms is an integer multiple of 16.7 ms and 20 ms, this setting can be used to suppress the power
frequency noise for either frequency, 50 Hz or 60 Hz.
• The scan interval on the dot model varies depending on the integration time setting (see page 1-2).
<Related Topics>
Setting the A/D integration time: Section 7.2
1.2 Measuring Input Section