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Calibration Manual
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Table 10. Simulate Transmitter Verification Points
UUT Range UUT Output
Minimum
1-Year
Maximum
1-Year
Minimum
2-Year
Maximum
2-Year
22.000 mA 4 3.99220 4.00780 3.99140 4.00860
22.000 mA 21 20.98880 21.01120 20.98460 21.01540
Resistance Source Function
To verify the resistance source function:
1. Connect the UUT to the 8508A as shown in Figure 8. Use a four-wire connection
transitioning to two wires at the UUT.
2. Set the UUT to the resistance source function at 0.1 Ω.
3. On the 8508A, select four-wire ohms measurement and up-range to the 200 Ω
range. Use the 200 Ω range for the first five tests points, and autorange
thereafter. The low range of the 8508A supplies too much current into the UUT.
4. See if the value shown on the 8508A is in the range shown in Table 11.
5. Continue through the test points. See if the value shown on the UUT is in the
range shown in the applicable column of Table 11.
6. When you complete the test, push on the UUT two times to turn off the
source function. This conserves battery life.
Fluke 75X
Fluke 8508A
gso10.eps
Figure 8. Resistance Source Verification Connections
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