19
Symptom Cause To Correct
Belt span is long
and frequency very
low
Tighten belt
Check to see if calculated belt fre-
quency is below 50 Hz
Artificially reduce belt span length
using a block, etc.
Use inductive sensor for span fre-
quencies from 10 – 50 Hz
Incorrect belt con-
stants have been
entered
Use correct mass, width, and span
constants for drive
Press “Select” to toggle through data
memory registers
Sensor or connec-
tions have been
damaged
Confirm sensor damage and replace
Iron or magnet is
not present when
using inductive
sensor
Tape a small magnet to the belt at
mid span for the inductive sensor to
read (furnished with inductive sen-
sor)
Can’t See Belt Span Frequency On Display
Meter is set in
the wrong display
mode
Press “Hz” to display belt span fre-
quency
Press “Hz” again to display both belt
span frequency and tension
Meter Displays “Error” When Taking Tension Readings And Red Light
Illuminates
Belt tension read-
ing is outside of
meter display
capability
Confirm that correct mass, width,
and span constants have been
entered
Press “Select” and toggle through
data memory registers to select
another data set
Non-zero constants must be entered
even with the meter in the frequency
only mode
An error has been
made in reading
the belt tension
Take another tension reading
SonicTensionMeter_Manual_4_14.indd 19 4/26/14 9:09 AM
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