Micropilot FMR50/FMR51/FMR52/FMR53/FMR54/FMR56/FMR57 FOUNDATION Fieldbus The "Expert" menu
Endress+Hauser 85
Navigation Expert → Sensor → Gas phase compensation → Reference distance
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Prerequisite GPC mode = On oder Without correction
Description Input parameter for the actual distance of the reference echo.
Input range 0 to 200 m
Factory setting 0.3 m
Additonal information The distance of the aritificially generated reference echo has to be entered into this
parameter. The reference echo must always be in the gas phase; the level must never rise
above the reference echo.
Reference echo threshold (1168)
Navigation Expert → Sensor → Gas phase compensation → Reference echo threshold
Write access Maintenance
Prerequisite GPC mode = On or Without correction
Description Definition of the threshold for the reference echo
Input range –999 to +999 dB
Werkeinstellung –80 dB
Additonal information Only echoes exceeding the defined threshold are accepted as reference echo.
Const. GPC factor (1217)
Navigation Expert → Sensor → Gas phase compensation → Const. GPC factor
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Prerequisite GPC mode = Const. GPC factor
Description Definition of a constant correction factor for the measured distance.
Input range 0.5 to 1.5
Factory setting 1 (i.e.: without correction)
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