Fluke 124 [46/86] Using the 10 1 probe for high frequency measurements
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Fluke 123/124
Users Manual
38
The reading now shows the risetime from 10%-90% of the
trace amplitude and the voltage at the cursors in relation
to the zero icon (-). See Figure 1-21.
⑦ Turn off the cursors.
Using the 10:1 Probe for High Frequency
Measurements.
Fluke 124 is supplied with a model VP40 10:1 Probe. Use
of this Probe is recommended when you measure high
frequency signals in circuits with a high impedance. The
loading of the circuit by a 10:1 Probe is much lower than
that of a 1:1 Shielded Test Lead.
The following aspects must be observed when using a
10:1 Probe:
Probe Attenuation.
The Probe attenuates the signal 10 times. Proceed as
follows to adapt the Test Tool’s voltage readout to this
attenuation. The example below is for a Probe connected
to input B:
Open the Scope menu.
Open the Probes menu.
Select PROBE on B ...
Press ENTER
Select 10:1 V
Содержание
- Fluke 123 124 1
- Industrial scopemeter 1
- Users manual 1
- Limited warranty limitation of liability 3
- Service centers 4
- Chapter title page 5
- Table of contents 5
- Fluke 123 124 6
- Contents 7
- Declaration of conformity 9
- Unpacking the test tool kit 10
- Figure 1 scopemeter test tool kit 11
- Unpacking the test tool kit 11
- Safely using the test tool 12
- Warning 12
- Warning 13
- If safety features are impaired 14
- Chapter 1 15
- Goal of this chapter 15
- Powering the test tool 15
- Using the test tool 15
- Fluke 123 16
- Fluke 124 16
- Resetting the test tool 16
- Changing backlight 17
- Fluke 123 18
- Fluke 124 18
- Reading the screen 18
- Making selections in a menu 19
- Input a 20
- Input b 20
- Looking at the measurement connections 20
- Warning 20
- Displaying an unknown signal with connect and view 21
- Making measurements 22
- Freezing the screen 24
- Holding a stable reading 24
- Making relative measurements 25
- Changing the amplitude 26
- Changing the graphic representation on the screen 26
- Changing the time base 26
- Selecting auto manual ranges 26
- Positioning the waveform on the screen 27
- Smoothing the waveform 28
- Displaying the envelope of a waveform 29
- Starting a trendplot function 30
- Trendplotting a waveform 30
- Acquiring the waveform 31
- Changing the trendplot reading 31
- Making a single acquisition 31
- Turning off the trendplot display 31
- Recording slow signals over a long period of time 33
- Reversing the polarity of the displayed waveform 34
- Selecting ac coupling 34
- Setting trigger level and slope 35
- Triggering on a waveform 35
- Selecting the trigger parameters 36
- Isolated triggering 37
- Triggering on video signals 37
- Triggering on a specific video line 39
- Saving and recalling a setup and a screen 40
- Saving screens with belonging setups 40
- Recalling screens and setups 41
- Deleting screens and associated setups 42
- Making cursor measurements 43
- Using horizontal cursors on a waveform 43
- Using vertical cursors on a waveform 44
- Making rise time measurements 45
- Probe attenuation 46
- Using the 10 1 probe for high frequency measurements 46
- Probe adjustment 47
- Using a printer 47
- Software 49
- Using flukevie 49
- About this chapter 51
- Chapter 2 51
- Cleaning the test tool 51
- Maintaining the test tool 51
- Storing the test tool 51
- Charging the rechargeable battery pack 52
- Keeping batteries in optimal condition 53
- Replacing and disposing of the rechargeable battery pack 54
- Warning 54
- Using and adjusting 10 1 scope probes 55
- Warning 55
- Calibrating the test tool 57
- Parts and accessories 57
- Service manual 57
- Standard accessories 57
- Optional accessories 60
- Chapter 3 61
- Goal of this chapter 61
- Tips and troubleshooting 61
- Using the tilt stand 61
- Changing the information language 62
- Resetting the test tool 62
- Adjusting the screen contrast in fluke 123 63
- Adjusting the screen contrast in fluke 124 63
- Changing the display 63
- Setting the grid display 63
- Changing date and time 64
- Saving battery life 65
- Setting the power down timer 65
- Changing the auto set options 66
- Using proper grounding 67
- Warning 67
- Battery testing of fluke accessories 68
- Solving printing and other communication errors 68
- Chapter 4 69
- Introduction 69
- Specifications 69
- Dual input oscilloscope 70
- Vertical 70
- Horizontal 71
- Trigger 71
- Advanced scope functions 72
- Dual input meter 73
- Input a and input b 73
- Input a 75
- Advanced meter functions 76
- Cursor readout fluke 124 76
- Miscellaneous 77
- Environmental 78
- Safety 78
- Fluke 123 124 84
- Fluke 123 124 86
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