Model 6517B Electrometer Reference Manual Section 9: Filters and math
6517B-901-01 Rev. C / August 2015 9-11
Deviation
This menu item selects the deviation calculation and lets you specify the reference value. If you key in
a new reference, be sure to press ENTER.
Ratio
This menu item selects the ratio calculation and lets you specify the reference value. If you key in a
new reference, be sure to press ENTER.
LOG10
This menu item selects the logarithmic base 10 calculation. When MATH is enabled, the absolute
value of the input reading is converted to its log base 10 equivalent and displayed.
Math multiple display
One of the multiple displays lets you view the reading on the bottom line of the display and the result
of the calculation on the top line. This display is available by repeatedly pressing either the NEXT or
PREV DISPLAY key to scroll through the multiple displays for the particular function. The following is
a typical message for a percentage calculation:
-7.04310e+01 V %
Reading = -0.704310
The display resolution on the bottom line follows that chosen for the top line. The value on the bottom
line tracks the units and prefix of the top line (for example, if the top line displays A, then the units on
the bottom line are A).
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