Selection of the filter level.
Select a high filter level for slower measurement with noisy signals.
<br /><br />
Settling time 10% - 90% (sampling time) - default value printed <b>bold</b> (typical values at room temperature):
<ul>
    <li>Filter level 0 = 1ms (4000Hz)</li>
    <li>Filter level 1 = 5ms (530Hz)</li>
    <li>Filter level 2 = 25ms (50Hz)</li>
    <li><b>Filter level 3 = 80ms (20Hz)</b></li>
    <li>Filter level 4 = 500ms (4Hz)</li>
</ul>