Input A And B Volts Peak Measurements Test - Fluke 123 Service Manual

Fluke 123/124/125
Service Manual
4. Observe the Input A and Input B main reading and check to see if it is within the range
5. Continue through the test points.
6. When you are finished, set the 5500A to Standby.
5500A output, V rms

3.5.12 Input A and B Volts Peak Measurements Test

Dangerous voltages will be present on the calibration source and
connecting cables during the following steps. Ensure that the
calibrator is in standby mode before making any connection
between the calibrator and the test tool.
Proceed as follows to test the Volts Peak measurement function:
1. Connect the test tool to the 5500A as for the previous test (see Figure 3-5).
2. Select the following test tool setup:
3-20
shown under the appropriate column.
Table 3-4. Input A and B AC Input Coupling Verification Points
500.0 mV
500.0 mV
500.0 mV
•
Fluke 123/124: press
•
Fluke 123/124: press
INPUT: A | SCREEN UPDATE:
•
Fluke 125: press
•
Fluke 125: press
INPUT: A | UPDATE:
•
Press to select auto ranging (
•
Press to open the INPUT A MEASUREMENTS menu, and choose:
MEASURE on A:
From the INPUT A PEAK sub-menu choose:
PEAK TYPE : PEAK-PEAK
•
Press to open the INPUT B MEASUREMENTS menu, and choose:
INPUT B: ON | MEASURE on B:
From the INPUT B PEAK sub-menu choose:
5500A Frequency
10 Hz
33 Hz
60 Hz
WARNING
/ to open the SCOPE INPUTS menu.
to open the TRIGGER menu, and choose:
FREE RUN | AUTO RANGE:
to open MENU.
to open the TRIGGER menu, and choose :
FREE RUN | AUTO RANGE:
AUTO
in top of display).
PEAK
PEAK
Reading A-B
> 344.0
> 469.0
> 486.5
> 15Hz
> 15Hz