UMSITRPDS3-1
Post-Installation Test
November 2010
5-9
Transmitter
above
the active pressure taps (normal
arrangement)
Transmitter
below
the active pressure taps
(exception)
1
2
3
4
5
Transmitter
Compensation valve
Active pressure valves
Active pressure lines
Shutoff valves
7
9
10
Blowout valve
Condensation vessels (optional)
Active pressure taps
FIGURE 5-4 Measuring Gases
5.5.2.2 Measuring Liquids
Operate the shutoff valves in the following order. Refer to Figure 5-5 to identify the valves used in the
procedure.
1.
Close all valves.
2.
Open both shutoff valves (5) at the pressure taps.
3.
Perform one of the following depending upon transmitter location:
•
“Transmitter
below
the active pressure tap” - Open both blowout valves (7) one after the other.
•
“Transmitter
above
the active pressure tap” - Open both vent valves (8) slightly until air-free
liquid emerges.
4.
Close both blowout valves (7) or vent valves (8).
5.
Open the active pressure valve (3A) and the vent valve at the high-pressure chamber of the
transmitter (1) slightly until air-free liquid emerges.
6.
Close the vent valve.
7.
Open the vent valve at the low-pressure chamber of the transmitter (1) slightly until air-free liquid
emerges.
Summary of Contents for 7MF4033 series
Page 48: ...Model 275 Universal Hart Communicator UMSITRPDS3 1 November 2010 2 26 ...
Page 86: ...Installation UMSITRPDS3 1 November 2010 4 34 ...
Page 152: ...Calibration and Maintenance UMSITRPSD3 1 November 2010 7 20 ...
Page 158: ...Circuit Description UMSITRPDS3 1 November 2010 8 6 ...
Page 197: ......
Page 198: ......
Page 200: ...Model Designations and Specifications UMSITRPDS3 1 November 2010 9 42 ...
Page 204: ...Glossary UMSITRPDS3 1 November 2010 10 4 ...
Page 208: ...Appendix A Online Configuration Map UMSITRPDS3 1 11 4 November 2010 ...
Page 216: ...Appendix C Elevation and Suppression Correction UMSITRPDS3 1 13 4 November 2010 ...