Troubleshooting/FAQs
9.2 Diagnosing with PDM
SITRANS FUS080 transmitter
58 Operating Instructions, 07/2012, A5E03059912-02
① Gain step
② Gain step max
③ Gain step min
④ Transducer distance [mm]
Figure 9-2 SITRANS FU080 Gain step vs. Transducer distance
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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