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LCI40
Series IOM
6 oPeration
information
Higher values for drive energy can
occur when the product contains
air or gas bubbles or when
measuring products with high
viscosity or density.
information
The sensor levels for A and B
should not differ by more than 2%.
The following diagnostic functions are available in test menu B2.
LCMass
®
600
All sizes
0 to 1
6.8 diagnostic Functions
6.8.4 Sensor levels a and b
(Menu b2.12, b2.13)
Normal display values:
•
80% for LCMass 600 standard and cryogenic version
•
60% for LCMass 600 HT version
6.8.5 2 Phase Signal (Menu b2.14)
The value of the 2 phase signal can be read in this
function. For applications that must detect 2 phase
flow, an alarm level can be programmed. This alarm
level depends on the application and the process and
can thus only be set on-site under current operating
conditions during flow. For detailed information refer to
2 Ph. Threshold (menu C1.5.3) on page 75.
6.8.1 temperature (Menu b2.7)
Temperature display in °F or °C.
•
This value should be steadily displayed.
•
Unstable values may mean a faulty Pt500 or that
liquid is in the outer housing.
6.8.2 Frequency (Menu b2.10)
•
Fluctuation in the first decimal places indicate gas or
air bubbles in the product.
•
Worn or eroded measuring tube: frequency increases
by around 2 to 4Hz; recalibration required.
•
Formation of a coating can reduce vibration
frequency, depending on the type of coating and the
layer thickness. If, however, the density of the coating
is the same as for the flowing medium, no frequency
is observed.
•
Large fluctuations in frequency occur in the “start-up”
phase.
6.8.3 drive level (Menu b2.11)
Display of the drive energy in percent.
Typical values for drive energy in water and with no gas
inclusions