7451A/7461A/7461P Digital Multimeter Operation Manual
5.9.2 Smoothing Calculation
5-33
When the smoothing count, N, is set to 3, the operation is as follows.
The smoothing calculation result, D (sm), at the n-th measurement, which exceeds the smoothing
count, is shown below.
2. Setting the smoothing count
The smoothing count is set in
.
The smoothing count can be set between 2 and 100.
3. Restarting the smoothing calculation
The smoothing calculation restarts from N=1 when any of the following conditions occur.
• The power is turned on.
• The smoothing count is changed.
• The NULL calculation is performed.
Measured value
D1
D2
D3
D4
D5
D6
D7
Measurement value output
Smoothing start
The SM
lamp blinks.
The SM
lamp turns on.
D1
D2
D3
(D3+D4)/2
(D3+D4+D5)/3
(D4+D5+D6)/3
(D5+D6+D7)/3
D (sm) :
Smoothing calculation result at the n-
th measurement
Di:
Measurement value
(before the smoothing calculation)
T:
Smoothing count (2 to 100 can be set.)
Smoothing calculation result D (sm) =
1
T
n
i=n-T+1
Di
MENU
MENU
..3.. CALC
SM. CNT
