4-18 Return to Section Topics 6517B-900-01 Rev. A / Jun 2008
Section 4: Measurement Options Model 6517B Electrometer User’s Manual
Enabling math
The selected math calculation is enabled by simply pressing the MATH key. When enabled, the
MATH annunciator turns on and the calculation type (NONE, POLY, %, or % DEV) is displayed.
Also, one of the following messages is briefly displayed:
Math Enabled
Display = NONE (reading)
Math Enabled
Display = POLY (reading)
Math Enabled
Display = % (reading)
Math Enabled
Display = % DEV (reading)
Math Enabled
Display = DEV (reading)
Math Enabled
Display = RATIO (reading)
Math Enabled
Display = LOG10 (reading)
Math is disabled by pressing MATH a second time.
Additional math operations
In addition to the math performed on single readings described above, the Model 6517B has these
math operations:
• Math performed on buffered readings (maximum and minimum values, average, and
st
andard deviation).
• Math performed on single readings as part of a pass/fail limits test.
Complete information on MATH is provided in Section 9 of the Reference Manual.
Figure 4-7
Combining math calculations
Math
Polynomial,
Percent,
Percent Deviation,
Ratio, Logarithmic
Value Displayed
Raw
Measurement
Multiple Displays
MAX, MIN
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