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(B) to determine the exhaust side of micro-pump condition
All of the above in the discussion of micro-pump exhaust tip resistance, under the conditions of such judgments has been narrowed the scope of selection, but must also consider the issue of the exhaust tip resistance in order to finalize the scope optional.
In practice, facing the exhaust micro-pump is not the same situation: one is the exhaust is very smooth through the atmosphere; the other is resistance to a larger exhaust, such as exhaust pipes have valves on the road, a small pipe, large damping sensors, non-specific silencer in the exhaust below the liquid level, gas discharged into the closed or semi-closed containers. In the modern design and manufacturing in the face of conditions of different micro-vacuum pump exhaust treated differently. "The greatest obstacle to allowing the exhaust Por value" is the calibration of the parameters of the exhaust pump capacity, so that we can use a strict selection of technical means to determine whether it is appropriate.