5560A/5550A/5540A
Service Manual
28
Figure 15. Resistance 4W with 8588A
6. Set the Product to Standby.
7. Connect the 8588A to Fluke 742A-100k for 4-Wire measurement.
8. Set the 8588A as follows: Resistance 4Wire, LoI OFF, Range (as per Table 10), NPLC 50, Guard
OFF (external guard light ring off).
9. Record the following measurements in step 15 of Table 10.
10. Measure with the meter and record the 8588A measured value in the DMM Measurement on
Transfer Resistor column in Table 10.
11. Disconnect the 8588A from the resistor standard and connect the cables to the product for 4W
measurement. Set the meter temporarily to the Volts dc Function.
12. Set the Product to output 100 k
Ω. Set meter to the Resistance function. Measure with the meter
and record the 8588A measured value in the DMM Measurement on Product column in Table 10.
13. Set the product to Standby.
14. Set the 8588A as follows: Resistance 4Wire, LoI ON, Range (as per Table 10.), NPLC 50, Guard
OFF (external guard light ring off).
15. Record the following measurements in Table 10, step 16.
16. Measure with the meter and record the 8588A measured value in the DMM Measurement on
Transfer Resistor column in Table 10.
17. Connect the 8588A to the Product for 2-Wire measurement. Connect the cable between the meter
and DUT guard terminals.
18. Set the 8588A as follows: Resistance 2Wire, LoI ON, Range Auto, NPLC 50, Guard OFF (external
guard light ring off). Set temporarily to the Volts dc Function.
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