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What is the maximum flow rate for the Model 106-H?

The Model 106-H is an in-line ozone monitor that will add some flow restriction to any ozone stream. The effect of inlet pressure on the flow rate was measured and a maximum flow rate was determined.

Technical Note No. 027 

Maximum Flow Rate for the Model 106-H Ozone Monitor 

Date:  24 September 2010 

Author:  Peter Andersen 

Summary:  The Model 106-H is an in-line ozone monitor that will add some flow 
restriction to any ozone stream.  The effect of inlet pressure on the flow rate was 
measured and a maximum flow rate was determined. 

Experimental:  A compressed air tank with a pressure regulator was connected 
to the inlet of a Model 106-H and a flow meter was installed on the instrument 
outlet.  The pressure was varied and the resulting flow rate was measured. 

Results:  The results are graphed below.  A linear regression was applied to the 
data to determine a simple relationship between the inlet pressure and outlet flow 
rate.  Since the Model 106-H has an internal pressure relief device that opens at 
pressures > 50 psig, the maximum flow rate was determined as 55 L/min from 
the data.