Baker Hughes Masoneilan 12400 Series, Инструкция по эксплуатации и руководство по безопасности

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® 2017 Baker Hughes, a GE company. All rights reserved. Masoneilan 12400 Series Transmitter/Controller Instruction Manual | 31
7.3.3. C
ALIBRATION ON SITE WITH PROCESS FLUIDS
a.
From [BAS SETUP] menu, enter the [CALIB Z S] sub-menu.
b.
Enter specific gravity of calibration for level application [SG CALIB] or the low and high specific gravities for interface
application [LSG CALIB] and [HSG CALIB].
c.
Take all necessary actions to enable level variations into the displacer chamber: open/close isolation valves, vent, purge …
d.
Empty and fill the displacer chamber with fluid(s) of service to get level variations.
e.
Wait for a few seconds until the displacer stabilizes to validate and save the values displayed on the LCD after each level variation.
f.
Low Level [ZERO]
f1.
Liquid application :
Empty the displacer chamber.
f2.
Interface application:
Fully immerse the displacer in the liquid of Lower Specific Gravity used for calibration [LSG CALIB].
f3.
Enter and validate the [ZERO]: the [LEVEL:%] value indicated on the display must equal to 0.0%. If not, restart the
procedure until very close to this value. See Appendix B.
g.
High Level [SPAN]
g1.
Liquid application :
Fully immerse the displacer in the liquid of Specific Gravity used for calibration [SG CALIB].
g2.
Interface application:
Fully immerse the displacer in the liquid of Higher Specific Gravity used for calibration [HSG CALIB].
g3.
Enter and validate the [SPAN]: the [LEVEL:%] value indicated on the display must be equal 100.0%. If not, restart the
procedure until very close to this value. See Appendix B
h.
Press the * button when [SAVE] is displayed to validate the [ZERO] and [SPAN] settings.