4-4 Return to Section Topics 6517B-900-01 Rev. A / Jun 2008
Section 4: Measurement Options Model 6517B Electrometer User’s Manual
6517B  ELECTROMETER/HIGH RESISTANCE METER
Zero-centered bar graph: The zero-centered bar graph is a 
graphical representation of the reading using plus/minus limits 
with zero in the center. Each full segment represents 10% of the 
limit.
6517B  ELECTROMETER/HIGH RESISTANCE METER
Maximum and minimum: This display shows the maximum and 
minimum readings that have occurred since the display was 
entered. Maximum and minimum values are reset by pressing the 
present function key or by leaving the display.
6517B  ELECTROMETER/HIGH RESISTANCE METER
Relative and actual: This display is used with the REL (relative) 
feature. While the top line shows the result of the rel operation, 
the bottom line shows the actual (raw) reading.
6517B  ELECTROMETER/HIGH RESISTANCE METER
Calculated and actual: This display is used with a math 
calculation. While the top line provides the result of the math 
calculation, the bottom line provides the raw reading.
6517B  ELECTROMETER/HIGH RESISTANCE METER
Limits: This display provides the result of the limit test. The 
graphical representation of the reading is shown on a 
zero-centered bar graph. If the reading is between the specified 
high and low limits, the PASS message is displayed. If the 
reading is outside of the limits, the FAIL message is displayed. 
Limits are set and enabled from the LIMITS option of the Main 
Menu.
6517B  ELECTROMETER/HIGH RESISTANCE METER
Relative humidity and external temperature: This display is 
used to display the relative humidity and external temperature 
readings. Note that the appropriate option (see Section 1 of the 
Reference Manual) must be connected and enabled.
6517B  ELECTROMETER/HIGH RESISTANCE METER
Change from cal temp: With temperature readings enabled, this 
display indicates the difference between the present internal 
temperature and the internal temperature when the instrument 
was last calibrated.
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