ProSoft Technology MVI56-AFC - Manual (Page 60)

Meter Proving MVI56-AFC ♦ ControlLogix Platform
User Manual Liquid and Gas Flow Computer
Page 60 of 316 ProSoft Technology, Inc.
February 25, 2011
Prover Position: Ready for Return
For bidirectional provers only, the prover's ball or piston is ready for launching
into the stream for the return leg.
Prover Position: Valve Sealed Behind Ball
The prover's ball or piston has been launched into the stream and the sealing
valve has been closed behind it. For a bidirectional prover, this is the start of the
forward leg.
Prover Position: Valve Sealed Behind Ball, Return Leg
For bidirectional provers only, the prover's ball or piston has been launched into
the stream for the return leg and the sealing valve has been closed behind it.
Prover Temperature
Absolute
This value is the process input temperature of the prover (traditional or master
meter) in units relative to absolute zero, and is required for some calculations.
This value is meaningful only while a prove is active.
Conventional
This value is the process input temperature of the prover (traditional or master
meter) in conventional units. For a traditional prover with dual transmitters, this is
the average of the two inputs. This value is meaningful only while a prove is
active.
Prover Pressure
Absolute
This value is the process input pressure of the prover (traditional or master
meter) in absolute units. This value is calculated as (gauge pressure ) +
(barometric pressure). This value is meaningful only while a prove is active.
Gauge
This value is the process input pressure of the prover (traditional or master
meter) in gauge units. For a traditional prover with dual transmitters, this is the
average of the two inputs. This value is meaningful only while a prove is active.