14
6.0 Meter range
The CLAVIS Belt Frequency
Meter is capable of
measuring belt vibration
frequencies between 10 Hz
and 600 Hz.
If the measured frequency is
below 10 Hz, the meter will
display “10.00” briefl y and
then change to “000.0”.
If the measured frequency is
above 600 Hz, the meter will
display “600” briefl y and
then change to “000”.
On multi-shaft (three or more shafts) it may be possible to get valid
measurements by selecting a different belt span for measurement. If the
measured frequency is below 10 Hz choose an available shorter span. If the
measured frequency is above 600 Hz choose a longer span if available.
Based upon the measured belt frequency, the meter is capable of calculating belt
tensions up to 9 990 N (2 200 lb.). When these limits are exceeded the meter
will react as previously described.
Belt tensions greater than these values are unusual. It is therefore advisable
to check that the span and mass parameters have been entered correctly. If
they are found to be correct then check the calculation of your target values.
If everything looks correct then this drive is simply beyond the capacity of the
CLAVIS Belt Frequency Meter. The drive will have to be tensioned by traditional
force and defl ection techniques.
Special Note:
Tensioning a drive generally involves moving one component shaft with respect
to another. On some drives, especially larger installations, tensioning the drive
will involve suffi cient movement that the span length is appreciably altered.
Frequency (Hz) values will remain accurate but if a precise tension value is to
be calculated it may become necessary to update the span input to refl ect the
new shaft spacing.
N
Hz
lbs
N
Hz
lbs
A '0000' newton reading
accompanied by four
'beeps' indicates the
result is out of range
A '0000' pound reading
accompanied by four
'beeps' indicates the
result is out of range
BEEP
BEEP
BEEP
BEEP
BEEP
BEEP
BEEP
BEEP
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