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Fluke 190 [26/159] Using persistence to display waveforms

Fluke 19xC-2x5C

Users Manual

Using Persistence to Display Waveforms

You can use Persistence to observe dynamic signals.

Display the SCOPE key labels.

Open the Waveform Options

menu.

Jump to Waveform: and open the

Persistence... menu.

Select Digital Persistence: Short,

Medium, Long or Infinite to

observe dynamic waveforms .

Select Digital Persistence: Off ,

Envelope: On to see the upper

and lower boundaries of dynamic

waveforms (envelope mode).

Select Dot-join: On or Off to

choose your personal preference

for the waveform representation.

Figure 10. Using Persistence to Observe Dynamic

Signals

Содержание

Fluke 19xc 2x5c 1
Scopemeter 1
Software version 8 0 onwards 1
Users manual 1
Limited warranty limitation of liability 3
Service centers 4
Chapter title page 5
Table of contents 5
Fluke 19xc 2x5c 6
Contents 7
Fluke 19xc 2x5c 8
Declaration of conformity 11
Figure 1 scopemeter test tool kit 12
Fluke 19xc 2x5c users manual 12
The following items are included in your test tool kit 12
Unpacking the test tool kit 12
When new the rechargeable nimh battery is not fully charged see chapter 9 12
Safety information read first 14
Warning 14
Warning 15
If safety features are impaired 16
About this chapter 17
Chapter 1 17
Powering the test tool 17
Using the scope 17
Resetting the test tool 18
Navigating a menu 19
Hiding key labels and menus 20
Input connections 20
Making scope connections 21
Displaying an unknown signal with connect and view 22
Making automatic scope measurements 23
Freezing the screen 24
Using average for smoothing waveforms 25
Using average persistence and glitch capture 25
Using persistence to display waveforms 26
Displaying glitches 27
Suppressing high frequency noise 27
Acquiring waveforms 28
Reversing the polarity of the displayed waveform 28
Selecting ac coupling 28
Variable input sensitivity 29
Using mathematics functions a b axb a vs b 30
Working with noisy waveforms 30
Using mathematics function spectrum fft 31
Comparing waveforms 33
Pass fail testing 34
Analyzing waveforms 35
About this chapter 37
Chapter 2 37
Making meter connections 37
Using the multimeter 37
Making multimeter measurements 38
Measuring resistance values 38
Making a current measurement 39
Warning 39
Freezing the readings 41
Selecting auto manual ranges 41
Making relative measurements 42
About this chapter 43
Chapter 3 43
Opening the recorder main menu 43
Using the recorder functions 43
Plotting measurements over time trendplot 44
Starting a trendplot function 44
Displaying recorded data 45
Changing the recorder options 46
Turning off the trendplot display 46
Recording scope waveforms in deep memory scope record 47
Starting a scope record function 47
Displaying recorded data 48
Using scope record in single sweep mode 48
Using external triggering to start or stop scope record 49
Analyzing a trendplot or scope record 50
About this chapter 51
Chapter 4 51
Replaying the 100 most recent scope screens 51
Using replay zoom and cursors 51
Replaying step by step 52
Capturing 100 intermittents automatically 53
Replaying continuously 53
Turning off the replay function 53
Zooming in on a waveform 54
Displaying the zoomed waveform 55
Turning off the zoom function 55
Making cursor measurements 56
Using horizontal cursors on a waveform 56
Using vertical cursors on a waveform 57
Using cursors on a a b a b or a b waveform 58
Using cursors on spectrum measurements 58
Making rise time measurements 59
About this chapter 61
Chapter 5 61
Triggering on waveforms 61
Setting trigger level and slope 62
Using trigger delay or pre trigger 63
Automatic trigger options 64
Triggering on edges 65
Making a single acquisition 66
Triggering on noisy waveforms 66
N cycle triggering 67
Triggering on external waveforms 68
Triggering on video signals 69
Triggering on video frames 70
Triggering on video lines 70
Detecting narrow pulses 71
Triggering on pulses 71
Finding missing pulses 73
About this chapter 75
Bushealth function availability 75
Chapter 6 75
Introduction 75
Using the bushealth function 75
Performing bushealth measurements 76
Selecting the bus type 76
Selecting a probe type 77
Starting and stopping measuring 77
Reading the screen 78
Data traffic 80
Input connections and tested signals 80
As i bus 81
Can bus 82
Rs 232 bus modbus iea 232 rs 232 83
Rs 485 bus mod bus iea 485 rs 485 84
Foundation h1 bus 85
Profibus pa 31 5 kbit s 86
Warning 86
Profibus dp rs 485 87
Ethernet coax 10base2 88
Ethernet twisted pair 10baset 100baset 89
Viewing the bus waveform screen 90
Setting the test limits 91
Saving and recalling test limits 92
About this chapter 93
Chapter 7 93
Pc and printer 93
Saving and recalling 93
Using memor 93
Using memory pc and printer 93
Saving screens with associated setups 94
Deleting screens with associated setups 95
Recalling a setup configuration 96
Recalling screens with associated setups 96
Renaming stored screens 97
Viewing stored screens 97
Connecting to a computer 98
Connecting to a printer 98
Documenting screens 98
Setting up the printing configuration 99
Printing a screen 100
About this chapter 101
Chapter 8 101
Tips pdf 101
Using the standard accessories 101
Warning 102
Measuring using independently floating isolated inputs 103
Using the independently floating isolated inputs 103
Resetting the test tool 105
Suppressing key labels and menu s 105
Using the tilt stand 105
Adjusting the contrast and brightness 106
Changing the information language 106
Changing date and time 107
Changing the display color 107
Saving battery life 108
Setting the power down timer 108
Changing the auto set options 109
About this chapter 111
Chapter 9 111
Cleaning the test tool 111
Maintaining the test tool 111
Storing the test tool 111
Charging the batteries 112
Extending battery operation time 113
Calibrating the voltage probes 114
Replacing the nimh battery pack bp190 114
Displaying calibration information 116
Parts and accessories 116
Replacement parts 117
Optional accessories 120
The operation time of fully charged batteries is too short 121
The printer does not print 121
The screen remains black 121
The test tool does not start up 121
The test tool shuts down after a few seconds 121
Troubleshooting 121
Battery operated fluke accessories do not function 122
Flukeview does not recognize the test tool 122
Chapter 10 123
Introduction 123
Specifications 123
Dual input oscilloscope 124
Horizontal 124
Isolated inputs a and b vertical 124
Automatic connect and view trigger 125
Edge trigger 125
Isolated external trigger 125
Trigger and delay 125
Video trigger 125
Automatic capturing scope screens 126
Automatic scope measurements 126
Continuous auto set 126
Dc voltage vdc 126
General 126
Pulse width trigger 126
Ac dc voltage true rms 127
Ac voltage vac 127
Amperes amp 128
Duty cycle duty 128
Frequency hz 128
Pulse width pulse 128
Decibel db 129
Temperature temp 129
Continuity cont 130
Dmm measurements on meter inputs 130
General 130
Meter functions 130
Meter input 130
Ohms ω 130
Ac dc voltage true rms 131
Ac voltage vac 131
Amperes amp 131
Dc voltage vdc 131
Temperature temp 131
Amperes amp 132
Recorder 132
Scope record 132
Trendplot meter or scope 132
Cursor measurements 133
Fieldbus bushealth 133
Replay 133
Zoom replay and cursors 133
Display 134
Mechanical 134
Memory 134
Miscellaneous 134
Probe calibration 134
Environmental 135
Optical interfaceport 135
Safety 136
1 probe 137
Accuracy 137
Electrical specifications 137
Safety 137
Altitude operating km 10 000 feet storage 12 km 40 000 feet 138
Environmental 138
Figure 64 max voltage from probe tip to earth ground and from probe tip to probe reference 138
Fluke 19xc 2x5c users manual 138
Humidity operating at 10 to 30 c 50 to 86 f 95 138
Temperature operating 0 to 50 c 32 to 122 f storage 20 to 60 c 4 to 140 f 138
Electromagnetic immunity 139
Fluke 19xc 2x5c 142
Fluke 19xc 2x5c 144
Appendices 146
Appendix a 148
Appendix a bushealth measurements 148
Bushealth measurements 148
General 148
Introduction 148
As i bus 149
Tips and hints per bus type 149
Used probes and accessories 149
Can bus devicenet 150
Modbus iea 232 rs 232 152
Modbus iea 485 rs 485 152
Foundation fieldbus h1 31 5 kbits s 153
Profibus dp rs 485 154
Profibus pa 31 5 kbits s 155
Warning 155
Ethernet coax 10base2 156
Ethernet twisted pair 10baset 157
Rs 232 bus 158
Rs 485 bus 159

Fluke 190 [26/159] Using persistence to display waveforms

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