4.7-14 Section 4: Using the Model 9100: Resistance Function
Final Width = 215mm
4.7.6.3 Using the 9100 as an Adjustable Source
The following procedure assumes that the instrument is in Manual Mode. In the case of
difficulty, re-read sub-section 3.3.1. Familiarity with the methods of editing screen
values is also assumed (Section 3).
9100 and UUT Setup
1. Connections Connect the 9100 to the UUT as shown in Fig. 4.7.4, and ensure that
both instruments are powered ON and warmed up.
2. UUT Select Resistance function.
3. 9100 Ensure that the 9100 is in Resistance Function with Output OFF. If
in any other function, press the 'Ω' key on the right of the front panel.
Sequence of Operations
Refer to the table of UUT calibration points in the UUT Manufacturer's Calibration
Guide. Follow the correct sequence of calibration stages as directed by the guide, and
carry out the following operations (1) to (5) at each stage.
1. 9100 Consult the UUT Manufacturer's Calibration Guide to determine
the requirements for source current and 2/4 wire connection. Refer
to the table in paras 4.7.5.7, and use the front panel controls to set
the 9100 Output resistance to the UUT cal point value, selecting 2-
Wire or 4-Wire and Source Current span as required.
2. UUT Select the correct range for the cal point.
3. 9100 a. Set Output ON.
b. Slew the Resistance Output reading until the UUT reading is
equal to the calibration point value.
4. UUT Record the 9100 screen output value as detailed in the UUT
Manufacturer's Calibration Guide.
5. 9100 Set Output OFF.
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