Keithley 6517B, Руководство пользователя

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4-16 Return to Section Topics 6517B-900-01 Rev. A / Jun 2008
Section 4: Measurement Options Model 6517B Electrometer User’s Manual
d. Select FILL-AND-STOP .
e. Select ELEMENTS (y = enable, n = disable).
f. Select COUNT .
g. Select ENTER-COUNT (enter buffer size).
h. If you enabled the TIMESTAMP data element, continue on to configure the timestamp.
Otherwise, press
EXIT to back out of the menu structure.
i. Select TIMESTAMP .
j. Select TYPE .
k. Select REAL-TIME .
l. Select FORMAT .
m. Select ABSOLUTE .
n. Use the EXIT key to back out of the menu structure.
3. Press STORE . The presently programmed buffer size (number of readings to store) is
displayed. If desired, use the cursor keys
(
and
)
and the RANGE keys ( and
)
to
change the buffer size (incrementing the most significant digit sets the buffer size to
maximum).
4. Press ENTER to start storing readings. The asterisk (*) annunciator turns on to indicate a
data storage operation.
5. To recall stored readings, press RECALL . Use the RANGE keys ( and
)
to scroll
through the buffer.
Math
The MATH key lets you perform math operations on single readings and display the result. The six
math calculations that are configured from the CONFIGURE MATH menu structure are:
Polynomial:
Where: X is the normal display reading
a2, a1, and a0 are user-entered constants
Y is the displayed result
Percent:
Where: Input Reading is the normal display reading
Target Value is a user-entered constant
Percent is the displayed result
Percent Deviation:
Where: X is the normal display reading
Y is the user-entered reference value
PD is the displayed result (percent deviation)
Y a2
( )
X
2
a1
( )
X a0
( )
+ + =
Percent
Input Reading
Target Value
----------------------------------
100
×
=
PD
X Y –
( )
Y
-----------------
100
×
=
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