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

1550C/1555
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 that:
•
•
•
Step
1
2

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.
Item


12
The UUT reading is within the display limits of Table 6.
The UUT is beeping at a 1-second interval.
 is flashing on the display.
Table 6. Voltage Measurement Test
Voltage Source
UUT Display
Output
-34 Vdc Flashing Hazard
240 Vac, 60 Hz Flashing Hazard
1
IR Port
IR Device
UUT Tone
Beeps
Beeps
Description
Figure 3. IR Port
UUT Display Limits
Minimum Maximum
29 V 39 V
204 V 276 V
2
ghh04.eps