78 UMFLUXUS_G6V4-2EN, 2011-03-29
FLUXUS G60x 11 Basic Measurement
Fig. 11.1: Sound path and transducer distance (A)
A higher number of transits means increased accuracy of the measurement. However,
the increased transit distance results in a higher attenuation of the signal.
The reflections on the opposite pipe wall and deposits on the inner pipe wall cause addi-
tional amplitude losses of the sound signal.
If the signal is attenuated strongly, e.g. by the medium, the pipe, deposits, etc., the num-
ber of sound paths must be set to 1 if necessary.
Note! Exact positioning of the transducers is easier for an even number of
transit paths (reflection mode) than for an odd number (diagonal
mode).
A value for the number of sound paths corresponding to
the connected transducers and the entered parameters
will be recommended. Change the value if necessary.
Press ENTER.
reflection mode
number of sound paths = 2
diagonal mode
number of sound paths = 1,
negative transducer distance
diagonal mode
number of sound paths = 1,
positive transducer distance
A: Sound Path
2NUM
A: Sound Path
2NUM
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