SevenStar D07-7B - Page 45

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the ranges of external zero adjustment is narrow, when there is big zero excursion happened, it should be better
adjust zero from zero potentiometer of MFC.
Figure 11. The Position of Potentiometer of 7B & 7BM
Another way to adjust zero is potentiometer adjustment from D08 series Flow Readout box.
Zero
Linearity potentiometer
Span potentiometer
Zero potentiometer