B.89.809 Rev C
9
© Parker Hannifin, 2015
www.parker.com/hfde
Working and Testing
The icountBS is capable of entrapped gas suppression and supplying a fixed amount of oil to test. Because of this it is
able to eliminate many of the variables associated with contamination monitoring.
The oil sample is degassed using suppressed, cleaned air and then supplied, through a fixed displacement pumping
system. Its test method is consistently controlled, thus removing more of the variables, which could occur with Bottle
Sampling.
Unfortunately, there are other factors that are beyond the control of Parker Hannifin products, consideration of which
could result in error limitation.
These are categorised as:
THE EFFECT OF SYSTEM CONDITIONS.
FLUID SAMPLE EXTRACTION.
SAMPLE HANDLING AND PREPARATION.
In most instances, the adoption of simple controlled procedures will result in reliable trend monitoring.
The Effect of System Conditions
System flow rate
Samples are best taken from a point in the system where the flow is TURBULENT (Reynolds No. greater than 4000). The
turbulent flow creates a mixing action. Where the flow is streamline or LAMINAR, larger particulate may tend to settle
toward the lower pipe surface and not be sampled.
Содержание icountBS
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