Ⅶ、
Error information
Upper limit
Lower limit
Excitation
Empty tube
Zero point
Over range
Flow measurement value
over than the upper limit
value alarm
Limit alarm set value is lower than the flow
measurement, modify the upper limit alarm
settings
Flow measurement value
lower than the lower limit
value alarm
Limit alarm set value is over than the flow
measurement, modify the lower limit alarm
Settings
Empty tube stage is show
zero or random data.
A)flow meter sensor is not full of medium
B) electrode surface was completely covered
by insulating layer
C) signal lines to connect the signal is incorrect
or open loop
D )measuring low conductivity medium
E )empty and full trim is not correct, or tube
region % is high sensitivity settings
Zero point value too
High on zero trim
A) on the zero trim time, the flowmeter sensor
medium in a state of non-full pipes
B )on the zero trim time, the sensor tube in a
non-static state media
C) flowmeter grounding is incorrect or
unreliable and technical requirements of
re-grounding
Instant value exceeds
instrument declare value
Over the instruments max allow the value, pls
re-select the more
Large diameter of the flowmeter
Excitation circuit is not
working correctly
A) check cables terminal and electrical
excitation of the terminal connection is good
or not
B )check the sensor excitation circuit don’t
existence of open or short circuit
C excitation coil temperature is too high
D excitation frequency set too high
Error
Contents
Reason
TRANSIMITTER
40
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