Section 4: Using the Model 9100: Thermocouple Function 4.14-9
Final Width = 215mm
4.14.7.3 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. 4.14.2, and ensure
that both instruments are powered ON and warmed up. Ensure that
the CJC pod fitted to the leadset connection block (or 9100 front
panel) is the same unit that was calibrated together with the 9100
unit in use.
2. UUT Select the Thermocouple Temperature function.
3. 9100 a. Ensure that the 9100 is in Thermocouple Function with Output
OFF. If in any other function, press the Aux key on the right of
the front panel, then the
°C screen key.
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 a. Ensure that the correct parameters (thermocouple type,
temperature scale, and unit of temperature) are selected.
b. Use the front panel controls to set the 9100 Output Temperature
to the UUT cal point value.
2. UUT Select the correct range for the cal point.
3. 9100 a. Set Output ON.
b. Slew the Temperature 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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