Fluke ScopeMeter 225C - List of Replaceable Parts

Performance Verification
4.6 Scope Input A&B Tests
4
4.6 Scope Input A&B Tests
4.6.1 Input A&B Vertical Accuracy Test
WARNING
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:
1. Connect the test tool to the 5500A as shown in Figure 4-3.
al55ab.bmp
Figure 4-3. Test Tool Input A&B to 5500 Normal Output
2. Select the following test tool setup:
• Recall the created SETUP 1 (see section 4.4.3): press
,
RECALL
,
select
SCREEN+SETUP 1
, press
RECALL SETUP
.
• Press
, press
INPUT A OPTIONS...
, and select
Polarity Normal |
Bandwidth: 10 kHz (HF reject)
• Press , press
INPUT B OPTIONS...
, and select
Polarity Normal |
Bandwidth: 10 kHz (HF reject)
• Press to clear the softkey menu, and to see the full screen.
Note:
The 10 kHz bandwidth limiter rejects calibrator noise. It does not affect the gain
accuracy at a 50 Hz input signal
3. Using change the time base to select manual time base ranging, and lock the
time base on 10 ms/div.