Emerson Process Management 00809-0700-4530 Radar Detector User Manual


 
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Reference Manual
00809-0700-4530, Rev AA
Appendix A: Checklists
September 2013
Checklists
A.2.2 Measurement validation procedure
Step Task Completed
1 The transmitter is in operation
2 Level reading correctness is verified
a. The transmitter level reading is compared with an independent
measurement
3 The analog output signal is validated (for 4-20 mA/HART units only)
a. Loop is set to manual mode in the Distributed Control System (DCS)
b. Transmitter is in simulation mode (accessed in RRM)
c. Loop test function is activated
d. Arbitrary level readings are created at 4, 12, and 20 mA
e. The arbitrary level readings and the readings in the DCS match
4 Echo-curve is verified
a. Reference pulse amplitude and position are checked
b. Peak amplitudes are checked
c. Thresholds are set according to the Reference Manual
d. Echo-curve is stored
5 Transmitter diagnostics is reviewed
6 Level is monitored while emptying the tank
a. Log functionality for the transmitter level output is activated
b. Process valves are closed before draining (for chambers only)
c. The tank or chamber is emptied completely
d. Level trend is reviewed for accuracy
7 Echo-curve is verified with empty tank
a. Echo-curve is compared with previous plots
b. Echo-curve is stored
8 Level is monitored while filling the tank
a. Log functionality for the transmitter level output is activated
b. Process valves are closed before filling (for chambers only)
c. The tank or chamber is filled completely
d. Level trend is reviewed for accuracy