Emerson Rosemount 2051 Reference Manual page 55

Reference Manual
00809-0100-4107
2. Open the equalize valve to equalize the pressure on both sides of the transmitter.
3. After zeroing the transmitter, close the equalize valve.
4. Finally, to return the transmitter to service, open the low side isolate valve.
Reference Manual
A. Drain/vent valve
B. Isolate (open)
C. Equalize (closed)
D. Process
E. Isolate (closed)
F. Drain/vent valve
The manifold is now in the proper configuration for performing a zero trim on the
transmitter.
A. Drain/vent valve
B. Isolate (open)
C. Equalize (open)
D. Process
E. Isolate (closed)
F. Drain/vent valve
A. Drain/vent valve
B. Isolate (open)
C. Equalize (closed)
D. Process
E. Isolate (closed)
F. Drain/vent valve
Hardware Installation
September 2020
55