Ossila FOUR-POINT PROBE, Руководство пользователя

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Four-Point Probe System User Manual
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10. Test Head
The system is shipped with a test head that can be used to verify the correct operation the system
by providing a reference measurement. It i
s designed to give a response of 10 kΩ when a sheet
resistance measurement is performed on it using the system.
Figure 10.1. Four-point probe test head.
10.1 Taking a Measurement
1. Replace the four-point probe head on the system with the test head.
I. To do this first disconnect the cables, then remove the 5 screws attaching the head
to the system.
II. Remove the four-point probe head and place the test head on the system.
III. Attach the test head using the screws, then connect the cables.
2. Plug in and switch on the system.
3. Allow at least 30 minutes for the system to warm up.
4. Start the Sheet Resistance Lite software and enter the settings in Figure 10.2 .
I. Note, Long Side and Short Side can be any value greater than 55 mm, this is to
ensure that no correction factor is applied to the measurement.