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Reference Manual
00809-0200-4101, Rev AA
July 2008
Rosemount 2051
2-30
Drain/
Vent
Valve
Drain/
Vent
Valve
Equalize
(closed)
Process
Isolate
(closed)
Isolate
(open)
H
L
The manifold valves are now in the proper configuration
for zeroing the transmitter. To return the transmitter to
service, close the equalizing valve(s) first.
Drain/
Vent
Valve
Drain/
Vent
Valve
Equalize
(closed)
Process
Isolate
(open)
Isolate
(open)
H
L
Next, open the isolate valve on the low pressure side of
the transmitter.