25
Signal Filtering / Averaging
You can adjust the filtering time constant to reduce the effect of noise or instability on your
input signal. A larger FIL value will give a more stable display, but the response to signal
changes will be slower.
Because your output options, such as analogue output, alarm relays and serial output are
all derived from the displayed value, they will respond at the same rate as the filtered
display.
See also Filter Jump setting if your signal is particularly noisy and you cannot get sufficient
smoothing with this filter.
This meter also includes an active filter for removing the effects of vibration. It is shipped
with the filter enabled for maximum stability. You can move a push-on jumper switch to
change the filter response to maximum speed if you wish. See below.
Fit jumper here for max speed.
or...
Fit jumper here for max stability.
Underside of input board, near input signal connector
(factory default)
1
2
3
Set1
Set2
Output
Alarms
Digit
OK
Max/Min
Reset
Lockout Switch must be OFF
Press 3 seconds
OFF
Circuit board ON
Set1
Set2
Output
Alarms
Digit
OK
Max/Min
Reset
Display shows
.XX.X
where
XX.X
is the time constant in seconds. Use the
UP or DOWN button to increase or
decrease this value
(Default =
)
Set1
Set2
Output
Alarms
Digit
OK
Max/Min
Reset
Press to accept
Done!
Select, then press OK to accept
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