Selecting AC-Coupling | Fluke fluke123 specs

Fluke 123

Users Manual

Selecting AC-Coupling

Use AC-coupling when you wish to observe a small AC signal that rides on a DC signal.

Reversing the Polarity of the Displayed Waveform

To invert the input A waveform, do the following:

					Open the SCOPE INPUTS menu.
					Open the SCOPE INPUTS menu.

 Highlight AC.

				(4x)	Accept AC-coupling for INPUT A.
				(4x)	Accept AC-coupling for INPUT A.

					Open the SCOPE INPUTS menu.
					Open the SCOPE INPUTS menu.

 Select NORMAL (of INPUT A).

 Highlight INVERT.

				(3x)	Accept inverted waveform
				(3x)	Accept inverted waveform
					display.
					display.

For example, a negative-going waveform is displayed as positive-going, providing a more meaningful viewing perspective in some cases. An inverted display is identified by trace identifier A on left of the waveform area.

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Fluke fluke123 user manual Selecting AC-Coupling, Reversing the Polarity of the Displayed Waveform

Contents

Fluke Limited Warranty & Limitation of Liability Service Centers Table of Contents Fluke Iii Specifications Manufacturer Declaration of ConformityStatement of Conformity Sample tests # Description Unpacking the Test Tool KitModel 123 123/SCC ScopeMeter Test Tool Kit Safely Using the Test Tool Safely Using the Test Tool Fluke Goal of this Chapter Powering the Test Tool Screen After Reset Resetting the Test Tool Changing Backlight From full to empty Reading the Screen Basic Navigation Making Selections in a Menu Looking at the Measurement Connections Input aInput B Screen After an Auto Set Displaying an Unknown Signal with Connect-and View Making Measurements Measurement Setup Hz and Vpp as Main Readings Freezing the Screen Holding a Stable ReadingTouch Hold OFF appears on Making a Relative Measurement Making Relative Measurements Changing the Graphic Representation on the Screen Selecting Auto/Manual RangesChanging the Time Base Changing the Amplitude Positioning the Waveform on the Screen Observe that the trigger identifier moves horizontallyOn the screen 11. Smoothing the Waveform Smoothing the Waveform 12. Displaying the Envelope of a Waveform Displaying the Envelope of a Waveform Starting a TrendPlot function TrendPlotting a Waveform Changing the TrendPlot Reading Acquiring the WaveformTurning Off the TrendPlot Display Making a Single Acquisition 14. Making a Single Acquisition Start Recording Recording Slow Signals over a Long Period of Time Reversing the Polarity of the Displayed Waveform Selecting AC-Coupling Triggering on a Waveform Setting Trigger Level and Slope Selecting the Trigger Parameters      17. Isolated Triggering Isolated Triggering Triggering on Video Signals 18. Measuring Video Signals Triggering on a Specific Video Line Saving and Recalling a Setup or a Screen Saving ScreensRecalling Screens Deleting Screens 19. Connecting a Serial Printer Using a Printer     21. Connecting a Computer Using FlukeView Software Cleaning the Test Tool About this ChapterStoring the Test Tool Charging the Battery Pack Charging the Ni-Cd Battery Pack Keeping Batteries in Optimal Condition Replacing the Battery Pack Replacing and Disposing of the Ni-Cd Battery Pack Adjusting Scope Probes Using and Adjusting 101 Scope Probes   Parts and Accessories Standard AccessoriesCalibrating the Test Tool Ordering Code Standard Accessories Maintaining the Test Tool Parts and Accessories SW90W Optional Accessories Using the Tilt Stand Using the Tilt Stand Changing the Information Language Changing the Display Setting the Grid Display Adjusting the Screen Contrast Changing Date and Time Setting the Power Down Timer Saving Battery Life Changing the Auto Set Options Potential Using Proper Grounding Solving Printing and Other Communication Errors Battery Testing of Fluke AccessoriesFluke multimeter Safety Characteristics Performance CharacteristicsIntroduction Environmental Data Vertical Dual Input Oscilloscope Trigger HorizontalRanges Sampling Rate for both channels simultaneously Advanced Scope Functions Display ModesAuto Set Input a and Input B Dual Input Meter Duty Cycle Duty PhasePulse Width Pulse Decibel dB Advanced Meter Functions Miscellaneous PowerDisplay Memory Electromagnetic Compatibility EMC Environmental Safety Max. Input Voltage Input a and BUp to 400 Hz = 3 V/m Trace disturbance with STL120 No visible disturbance= 10 V/m Disturbance less than 10% of full scale VDC, VAC, VAC+DC OHM, CONT, Diode CAP Index Fluke Index Fluke