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WARNING
Leaks in the sample gas path
Risk of poisoning.
When measuring toxic process media, these can be released or collect in the device if there
are leaks in the sample gas path.
● Purge the device as described in Commissioning (Page 95).
● Dispose of the toxic process media displaced by purging in an environmentally friendly
manner.
CAUTION
Releasing button lock
Improper modification of parameters could influence process safety.
● Make sure that only authorized personnel may cancel the button locking of devices for
safety-related applications.
WARNING
Use of a computer in a hazardous area
If the interface to the computer is used in the hazardous area, there is a risk of explosion.
● Ensure that the atmosphere is explosion-free (hot work permit).
9.2
Recalibration
Siemens A/S, Flow Instruments offers to recalibrate the sensor at our works in Denmark. The
following calibration types are offered as standard according to configuration (standard,
density, °Brix/°Plato, fraction):
● Standard calibration
● Customer specified calibration
● Accredited Siemens ISO/IEC 17025 calibration
● Density calibration (incl. fraction setup if requested)
● Witness calibration
Note
SensorFlash
For sensor recalibration the SensorFlash memory unit must always be returned with the
sensor.
Service and maintenance
9.2 Recalibration
FC430 (From firmware 4.0)
184
Operating Instructions, 06/2017, A5E39789392-AA