Fluke 225C Service Manual - Page 31

Scope Input A&B Tests, 6.1 Input A&B Vertical Accuracy Test

Get Fluke 225C PDF manuals and user guides View all Fluke 225C manuals
Add to My Manuals
Save this manual to your list of manuals

Page 31 highlights

4 Performance Verification 4.6 Scope Input A&B Tests 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. Figure 4-3. Test Tool Input A&B to 5500 Normal Output al55ab.bmp 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. 4-7

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
Performance Verification
4.6 Scope Input A&B Tests
4
4-7
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.