Voltage Measurement Accuracy; Adjustment Procedure; Interface Connection - Fluke 1550C Calibration Manual

Voltage Measurement Accuracy

To verify voltage measurement accuracy of the Live Circuit Warning function,
apply the voltages listed in Table 6 to the + and - terminals of the UUT.
Verify:
•
UUT reading is within the display limits of Table 6.
•
UUT is beeping at a 1-second interval.
•
 is flashing on the display.
Voltage Source
Step
Output
1 -38 V dc
2 240 V ac, 60 Hz

Adjustment Procedure

The product should be performance tested yearly to ensure compliance with its
specifications. When required, use the following adjustment procedure to bring
the UUT within its nominal accuracy specifications.

Interface Connection

Perform adjustment with software using a computer and IR (infrared) adapter.
Connect the Infrared Cable Assembly to the UUT IR Port and COM port of the
computer. Refer to Figure 3.
1
IR Port

IR Device

Table 7. Voltage Measurement Test
UUT Display UUT Tone
Flashing Hazard Beeps
Flashing Hazard Beeps
Figure 2. IR Port
Insulation Tester
Adjustment Procedure
UUT Display Limits
Minimum Maximum
30 V 46 V
202 V 278 V
2
ghh04.eps
13