Filter
Top Products
Appendices
230 UDA2182 Universal Dual Analyzer Product Manual January 2009
then the pressure at the sensor is four feet water-column below atmospheric pressure.
Any fitting leaks at or beyond the flow adjustment valve will result in air infiltration into
the sample. This entrapped air can result in noisy and unstable measurement. In the case
of a part per billion dissolved oxygen (DO) measurement, the indicated DO value can be
substantially higher than the true value.
When it becomes necessary to discharge the sample stream in a loop higher than the
manifold, then the air vent should be located above the highest point in the loop.