KROHNE Summit 8800 Vol 2 - Manual (Page 37)

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08/2013 - MA SUMMIT 8800 Vol2 R02 en
SUMMIT 8800 METERING PRINCIPLES 03
3 .10 .3 Small volume / piston provers
Small volume provers are available as compact or conventional pipe provers which use dis-
placement to measure the volume and pulse interpolation.
Figure 14 Small compact prover
3 .10 .4 Master meter
In master metering a high accuracy master is put in series with other flow meters to be tested
while in production. This method of proving is predominately used for gas applications and is
used in-line with the flow meter being proved.
Figure 15 Master meter loop