A. Drain/vent valve
B. Isolate (open)
C. Equalize (closed)
D. Process
E. Isolate (open)
F. Drain/vent valve
Procedure
1. To zero trim the transmitter, close the isolate valve on the low side (downstream)
side of the transmitter.
A. Drain/vent valve
B. Isolate (open)
C. Equalize (closed)
D. Process
E. Isolate (closed)
F. Drain/vent valve
2. Open the equalize valve to equalize the pressure on both sides of the transmitter.
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
3. After zeroing the transmitter, close the equalize valve.
Hardware installation
Reference Manual
July 2020
00809-0100-4774
74
Rosemount 3051
Содержание Rosemount 3051 CF Series
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