Bronkhorst®
Instruction Manual mini CORI-FLOW™ M1x
9.17.050O
47
Symptom
Possible cause
Action
Continuous maximum measured
value or output signal
Inlet pressure too high
Check inlet pressure
Control valve (normally open)
failure
Return equipment to factory
Sensor failure
Return equipment to factory
Flow rate decreases gradually
Condensation on measuring tube
(might occur with NH
3
and some
hydrocarbons, such as C
3
H
8
, C
4
H
10
)
Increase media temperature to above ambient
conditions
Measured flow rate erroneous
Calibration status compromised