VAF instruments Viscosense 3 - 15.3 PI SETTING ERRORS (FOR ADDITIONAL VISCOSITY CONTROLLER); 15.4 HOW TO TAKE A HFO SAMPLE FOR ANALYSIS

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Problem Possible cause Corrective action
Viscosity output is higher
than expected
Actual viscosity is higher than
expected.
E.g. bunker calculator only gives
approx. value.
Temperature is lower than expected.
None
(For laboratory check of viscosity
take sample according
instructions in chapter 15.4).
Range settings ViscoSense
®
3 and
readout unit do not match
Check mA signal and range
settings
Fuel is not pure, well mixed liquid
(see chapter 6)
None
Sensor is damaged or fouled Clean and inspect the sensor
(see chapter 8)
Problem Possible cause Corrective action
Viscosity output is max
range
The viscosity in the sensor housing is
higher than the max range
Heat up the fluid
Actual viscosity is higher than
expected.
E.g. bunker calculator only gives
approx. value.
None
ViscoSense
®
3 interface box is
malfunctioning
Check diagnostic led
ViscoSense
®
3 sensor is
malfunctioning
Range settings ViscoSense
®
3 and
readout unit do not match
Check mA signal and range
settings
Sensor is damaged or fouled Clean and inspect the sensor
(see chapter 8)