Filter
Top Products
Command Reference 9-15
:CALCulate :AVERage :TYPEPM6680B PM6681
8 «MAX|MIN|MEAN|SDEViation»
Statistical Type
Selects the statistical function to be performed.
+
You must use :CALC:DATA? to read the result of statistical operations. :READ?,
:FETC? will only send the results that the statistical operation is based on.
Parameters:
MAX returns the maximum value of all samples taken under :CALC:AVER
control.
MIN returns the minimum value of all samples taken under :CALC:AVER control.
MEAN returns the mean value of the samples taken:
x
n
X
i
i
n
=
=
å
1
1
SDEV Returns the standard deviation:
()
s
n
X
n
X
ii
=
-
-
æ
è
ç
ö
ø
÷
åå
1
1
1
2
2
Returned format: MAX|MIN|MEAN|SDEV¿
*RST condition: MEAN
:CALCulate :DATA?PM6680B/81/85
Fetch calculated data
Fetches data calculated in the post processing block. Use this command to fetch
the calculated result without making a new measurement.
Returned Format:
<Decimal data>¿
Example for PM6685:
SEND® :CALC:MATH:STAT 8 ON;:CALC:MATH 8 (X 8 - 8 10.7E6);:INIT;
*OPC
Wait for operation complete
SEND® :CALC:DATA?
READ¬ <Measurement 8 result 8 minus 8 10.7E6>
Example for PM6680B/81
SEND® :CALC:MATH:STAT8ON;:CALC:MATH8(((18*8X)8-810.7E6)8/81)
;:init; *OPC
Wait for operation complete
SEND® :CALC:DATA?
READ¬ <Measurement 8 result 8 minus 8 10.7E6>
*RST condition:
Event, no *RST condition.
Complies to standards: SCPI 1991.0, Confirmed