Siemens SITRANS FUS080 Operating Instructions Manual page 60

Troubleshooting/FAQs
9.2 Diagnosing with PDM
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②
③
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Figure 9-2
Gain step
The graph above shows which gain step to expect for a particular transducer distance (face
to face distance). The upper curve indicates the upper limit and the lower curve indicates the
lower limit.
The graph applies to perfectly aligned transducers in clean water, but takes into account the
expected variance from the converter and the transducers.
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Gain step
Gain step max
Gain step min
Transducer distance [mm]
SITRANS FU080 Gain step vs. Transducer distance
SITRANS FUS080 transmitter
Operating Instructions, 07/2012, A5E03059912-02