SECTlON 3
Front Panel Operation
L For shipping and during storage, two screw fasten-
ers are used to secure the electrodes. Remove these
6105 ReSiStiVily Adapter
,. .,.1
. . . .
two rasreners If tney are currently mstmea
5.
As shown in Figure 3-17 and Figure 3-18, position
the paper sample between the electrodes. Make
sure there are no conductive paths between the
electrodes other than through the sample. The elec-
trodes must not touch anything except the sample.
6. Close the Model 6105 cover and secure the latch.
An interlock switch disconnects power from the
sample if the cover is not completely closed.
WARNING
The following steps will apply hazardous
voltage, that could cause severe injury or
death. Exercise extreme caution when the
V-Source of the Model 487 is in
operate.
1 Figure 3-17.
Confgurationfor Surface Resistivity
7. With the V-source of the Model 487 in standby
(OPERATE indicator off), use the 4 and . keys,
and the rotary knob to set the V-source to 500.0OV.
8. Select the V/I ohms function by pressing SHIFT
and then OHMS. The ZERO CHECK indicator will
start flashing.
9. Place the V-source of the Model 487 in operate by
pressing OPERATE. 500V will be applied to the
paper sample.
10. On the Model 487, press ZERO CHECK to disable
zero check and allow one minute to electrify the
sample.
11. After one minute electrification time, record the
resistance measurement (R,) from the display of
the Model 487.
12. On the Model 487, enable zero check and place the
V-Source in standby.
3-30
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