Fluke 124 - Manual

Fluke 123/124 Users Manual ii Freezing the Screen....................................................................................................... 16Holding a Stable Reading .............................................................................................. 16Making Relative Measure...

Declaration of Conformity 1 Declaration of Conformity for Fluke 123/124 ScopeMeter ® test tool Manufacturer Fluke Industrial B.V. Lelyweg 1 7602 EA Almelo The Netherlands Statement of Conformity Based on test results using appropriate standards, the product is in conformity with Electromagnetic Comp...

Fluke 123/124 Users Manual 2 Unpacking the Test Tool Kit The following items are included in your test tool kit. (seeFigure 1.): Note When new, the rechargeable battery pack is notfully charged. See Chapter 2. # Description Fluke 123 Fluke 123/S Fluke 124 Fluke 124/S 1 Fluke Test Tool Model 123 Mode...

Unpacking the Test Tool Kit 3 (2x) (2x) * * (3x) 1 9 3 2 4 5 6 7 8 14 10 11 15 12 13 Fluke 123/124 Fluke 123-S/124-S Fluke 124/124-S Fluke 123/124 : 1x Fluke 123-S/124-S : 2x Figure 1. ScopeMeter Test Tool Kit

Fluke 123/124 Users Manual 4 Safely Using the Test Tool Attention Carefully read the following safetyinformation before using the test tool. Safety Precautions Specific warning and caution statements, where theyapply, will be found throughout the manual. A Caution identifies conditions and actions t...

Safely Using the Test Tool 5 Warning To avoid electrical shock or fire: • Use only the power supply, Model PM8907(Battery Charger / Power Adapter). • Before use check that the selected/indicatedvoltage range on the PM8907 matches thelocal line power voltage and frequency. • For the PM8907/808 univer...

Fluke 123/124 Users Manual 6 • Do not insert metal objects into connectors. • Always use the Test Tool only in the mannerspecified. Max. Input Voltages Input A and B directly ............................... 600 V CAT III Input A and B via BB120 .......................... 300 V CAT III Input A and B ...

7 Chapter 1 Using The Test Tool Goal of this Chapter This Chapter provides a step-by-step introduction to thetest tool. The introduction does not cover all of thecapabilities of the test tool but gives basic examples toshow how to use the menus perform basic operations. Powering the Test Tool Follow...

Fluke 123/124 Users Manual 8 Resetting the Test Tool If you want to restore the test tool settings as delivered fromthe factory, do the following: Turn the test tool off. Press and hold. Press and release. The test tool turns on, and you should hear a doublebeep, indicating the Reset was successful....

Using The Test Tool Changing Backlight 1 9 Changing Backlight After power-up, the screen has a high bright display. To save battery power, the screen has an economicbrightness display when operated on the battery pack (nopower adapter connected). Note Using dimmed display lengthens maximumbattery po...

Fluke 123/124 Users Manual 10 Reading the Screen The screen is divided into three areas: Reading area,W aveform area, and Menu area. Refer to Figure 1-3during the following. Reading area (A) : Displays the numeric readings. Because only input A is on, you will see the input Areadings only. Waveform ...

Using The Test Tool Making Selections in a Menu 1 11 Making Selections in a Menu Subsequently follow steps to to open a menu and to choose an item. Press the SCOPE MENU key toopen the Scope menu. Note Pressing the SCOPE MENU key a second timecloses this menu and resumes normalmeasurement. This toggl...

Fluke 123/124 Users Manual 12 Looking at the MeasurementConnections Look at the top of the test tool. The test tool provides two4-mm safety shielded banana jack inputs (red input A andgray input B) and a safety 4-mm banana jack input(COM). (See Figure 1-5.) Input A You can always use the red input A...

Fluke 123/124 Users Manual 14 Making Measurements The reading area displays the numeric readings of thechosen measurements on the waveform that is applied tothe input jack. • First connect the red shielded test lead from input A,and the gray shielded test lead from input B to thesignals to be measur...

Fluke 123/124 Users Manual 16 Freezing the Screen You can freeze the screen (all readings and waveforms)at any time. Freeze the screen. HOLD appears at the bottom of thereading area. Resume your measurement. Holding a Stable Reading The Touch Hold ® function captures and freezes the next stable meas...

Using The Test Tool Making Relative Measurements 1 17 Making Relative Measurements Zero Reference displays the present measurement resultwith respect to the defined value. This feature is usefulwhen you need to monitor the measured value in relationto a known good value. Open the INPUT A menu. Open ...

Fluke 123/124 Users Manual 18 Selecting Auto/Manual Ranges Press to automatically adjust the position, range, time base, and triggering. This assures a stable displayon nearly all waveforms. The bottom line shows the range,the time base for both inputs, and the trigger information. Press a second ti...

Using The Test Tool Changing the Graphic Representation on the Screen 1 19 Positioning the Waveform on the Screen Considerable flexibility is offered in moving thewaveform(s) around the screen. Press until you have left any openmenu. Observe that the followingmain menu appears on bottom ofthe screen...

Fluke 123/124 Users Manual 20 Smoothing the Waveform To smooth the waveform, do the following: Open the SCOPE INPUTS menu. Open the SCOPE OPTIONSsubmenu. Jump to W AVEFORM MODE. Highlight SMOOTH. Accept waveform smooth. You can use waveform smooth to suppress noise withoutloss of bandwidth. W avefor...

Using The Test Tool Changing the Graphic Representation on the Screen 1 21 Displaying the Envelope of a Waveform The test tool records the envelope (minimum andmaximum) of the live waveforms A and B. Repeat the first three actions of ‘Smoothing theW aveform’, and then do the following: Highlight ENV...

Fluke 123/124 Users Manual 22 TrendPlotting a Waveform The TrendPlot™ function plots the digital readings as afunction of time. Date and time stamp shows the time ofthe most recent change in a MIN or MAX reading. Starting a TrendPlot™ function Open the INPUT A menu. Start TRENDPLOT. The test tool re...

Using The Test Tool Acquiring the Waveform 1 23 Changing the TrendPlot Reading To toggle the TrendPlot reading between MIN (minimum),MAX (maximum), and AVERAGE, do the following: Change MIN into MAX reading. Change MAX into AVG reading. Note that the date and time stamp now updatescontinuously to in...

Fluke 123/124 Users Manual 24 Wait appears on bottom of the screen to indicate that the testtool is waiting for a trigger. Run appears on bottom of the screen when the singleacquisition is triggered. Hold appears on bottom of the screen when the singleacquisition has been completed. The test tool wi...

Using The Test Tool Acquiring the Waveform 1 25 Recording Slow Signals over a Long Period ofTime The roll mode function supplies a visual log of waveformactivity and is especially useful when you measure lowerfrequency waveforms. Open the SCOPE INPUTS menu. Open the SCOPE OPTIONSsubmenu. Highlight R...

Fluke 123/124 Users Manual 26 Selecting AC-Coupling Use AC-coupling when you wish to observe a small ACsignal that rides on a DC signal. Open the SCOPE INPUTS menu. Highlight AC. (4x) Accept AC-coupling for INPUT A. Reversing the Polarity of the DisplayedWaveform To invert the input A waveform, do t...

Using The Test Tool Triggering on a Waveform 1 27 Triggering on a Waveform Triggering tells the test tool when to begin displaying thewaveform. You can select which input signal should beused, on which edge this should occur, and you candefine the condition for a new update of the waveform.Finally y...

Fluke 123/124 Users Manual 28 Selecting the Trigger Parameters To trigger on the input A waveform, with automatic screenupdate, and to configure the auto range triggering forwaveforms from 1 Hz, do the following: Open the SCOPE INPUTS menu. Open the TRIGGER submenu. Highlight Input ‘A’. Select Input...

Using The Test Tool Triggering on a Waveform 1 29 Isolated Triggering Use the optically isolated trigger probe (ITP120, optional)to trigger on an external source, and to isolate the test toolfrom a trigger waveform. See Figure 1-17. To choose the isolated trigger probe, select ‘EXT’ in point of the ...

Using The Test Tool Triggering on a Waveform 1 31 Triggering on a Specific Video Line To view a specific video line in more detail you can selectthe line number. To measure on a selected video line,continue from point of the previous example as follows: Highlight SELECT Select SELECT Highlight POSIT...

Fluke 123/124 Users Manual 32 Saving and Recalling a Setup and aScreen You can save Screens and Setups to memory, and recallthem again for later use. Fluke 123 has 10 memorieswhile Fluke 124 has 20 memories. In each memory youcan save a screen and the related settings. Saving Screens with Belonging ...

Using The Test Tool Saving and Recalling a Setup and a Screen 1 33 Recalling Screens and Setups To recall a screen and setups, do the following: Open the SAVE/PRINT menu. Highlight RECALL ... Open the RECALL ... submenu. Already filled memory locationsare indicated with a closedsquare ( ). Highlight...

Fluke 123/124 Users Manual 34 Deleting Screens and Associated Setups To delete all or just 1 screen + setups, do the following: Open the SAVE/PRINT menu. If you want to clear all memory locations, press F3DELETE ALL. If you want to clear just 1 memory location(e.g. memory 7), do the following: Highl...

Using The Test Tool Making Cursor Measurements 1 35 Making Cursor Measurements Fluke 124 has cursors. Cursors allow you to make precisedigital measurements on waveforms. This can be done onlive waveforms and on saved waveforms. Using Horizontal Cursors on a Waveform To use the cursors for a voltage ...

Fluke 123/124 Users Manual 36 The readout shows the voltage difference between thetwo cursors and the voltages at the cursors in relation tothe zero icon (-). See Figure 1-19). Use horizontal cursors to measure the amplitude, highand low value, or overshoot of a waveform. Using Vertical Cursors on a...

Using The Test Tool Making Cursor Measurements 1 37 The readout shows the time difference ‘t’ between thecursors and the voltage difference between the twomarkers (See Figure 1-20).The signal frequency is displayed behind 1/t if exactly 1signal period is between the cursors. Making Rise Time Measure...

Using The Test Tool Using a Printer 1 39 ⑥ Press ENTER to confirm theselection. Observe that the 10 times attenuation of the Probe iscompensated in the voltage readout. Probe Adjustment. The Probe of model VP40 such as supplied with the TestTool is always adapted correctly to its inputs: highfrequen...

Fluke 123/124 Users Manual 40 Figure 1-22. Connecting a Serial Printer Figure 1-23. Connecting a Parallel Printer This example covers how to set up the test tool to print ona HP Deskjet printer with a baudrate of 9600 baud: Open the SAVE&PRINT menu.Observe that the screen isfreezed. Open the PRI...

Using The Test Tool Using FlukeView® Software 1 41 Now you are ready to print. To print a live screen, do the following: Open the SAVE&PRINT menu. Start printing. To print a recalled screen, do the following: Start printing. A message that indicates that the test tool is printingappears on botto...

43 Chapter 2 Maintaining the Test Tool About this Chapter This chapter covers basic maintenance procedures thatcan be performed by the user. For complete service,disassembly, repair, and calibration information, see theService Manual. You will find the part number of theService Manual in the section...

Fluke 123/124 Users Manual 44 Charging the Rechargeable Battery Pack At delivery, the batteries may be empty and must becharged (test tool is off) to fill them completely. Chargingtime is 5 hours for Fluke 123 (Ni-Cd battery) and 7 hoursfor Fluke 124 (Ni-MH battery). W hen fully charged, thebatterie...

Maintaining the Test Tool Keeping Batteries in Optimal Condition 2 45 Keeping Batteries in Optimal Condition Always operate the test tool on batteries until an -icon appears on the bottom line of the screen. This indicatesthat the battery level is low and that the batteries need tobe recharged. Freq...

Maintaining the Test Tool Using and Adjusting 10:1 Scope Probes 2 47 Note Ensure that the battery pack is placed in thebattery compartment as shown in Figure 2-2.For Fluke 123 use the Fluke BP120 Ni-Cd(standard) or BP130 Ni-MH (extended operatingtime) battery pack.For Fluke 124 it is recommended to ...

Maintaining the Test Tool Calibrating the Test Tool 2 49 Calibrating the Test Tool You can ask for the model identity (version and calibrationdata) at any time. To display the identity, do the following: Open the USER OPTIONS menu. Open theVERSION&CALIBRATIONsubmenu. The screen gives you informa...

Fluke 123/124 Users Manual 50 Standard Accessories (cont) Item Ordering Code Ni-Cd Battery Pack (installed in Fluke 123, 123/S) BP120 Ni-MH Battery Pack (installed in Fluke 124, 124/S) BP130 Power Adapter/Battery Charger, available models: Universal Europe 230V, 50HzNorth America 120V, 60HzUnited Ki...

Fluke 123/124 Users Manual 52 Optional Accessories Item Ordering Code Software & Cable Carrying Case Kit (Supplied with Fluke 123/S, 124/S) Set contains the following parts:Optically Isolated RS-232 Adapter/CableHard Carrying Case. Supplied with Fluke 123/S, 124/SFlukeView ® ScopeMeter ® Softwar...

53 Chapter 3 Tips and Troubleshooting Goal of this Chapter This Chapter gives you information and tips on how youcan make the best use of the test tool. Using the Tilt Stand The test tool is equipped with a tilt stand, allowing viewingfrom an angle. You can also use the tilt stand to hang thetest to...

Fluke 123/124 Users Manual 54 Resetting the Test Tool Perform a Master Reset to make sure that your test tool isin the initial settings condition. Turn the test tool off. Press and hold. Press and release. The test tool turns on, and you should hear a doublebeep, indicating the Reset was successful....

Tips and Troubleshooting Changing the Display 3 55 Changing the Display Adjusting the Screen Contrast in Fluke 123 From the main menu, chooseCONTRAST. Adjust the contrast of the screen. Adjusting the Screen Contrast in Fluke 124 Switch from cursor control todisplay control. From the display control ...

Fluke 123/124 Users Manual 56 Changing Date and Time The test tool has a date and time clock. To change thedate to (e.g.) 20 June, 2002, do the following: Open USER OPTIONS menu. Highlight DATE ADJUST. Open DATE ADJUST submenu. Choose 2002. Jump to MONTH. Choose 06. Jump to DAY. Choose 20. Jump to F...

Tips and Troubleshooting Saving Battery Life 3 57 Saving Battery Life When operated on the battery pack (no Power Adapterconnected), the test tool conserves power by shuting itselfdown. If you have not pressed a key for at least 30 minutes,the test tool turns itself off automatically. Note If the Po...

Fluke 123/124 Users Manual 58 Changing the Auto Set Options Normally, the Auto Set function captures waveforms from15 Hz. To configure Auto Set for waveforms from 1 Hz withunchanged input coupling, do the following: Note Setting the Auto Set adjust to 1 Hz will slowdown the Auto Set response. Open t...

Tips and Troubleshooting Using Proper Grounding 3 59 Using Proper Grounding Incorrect grounding can cause various problems. ThisSection gives you guidelines for proper grounding. Use the short ground lead(s) when measuring DC or AC signals on input A and input B. (See Figure 3-2.) Warning To avoid e...

Fluke 123/124 Users Manual 60 Solving Printing and OtherCommunication Errors RS-232 communication may cause problems. W henexperiencing communication problems, try the followingremedies: Make sure that the interface cable is connected to the correct port on the printer or computer. If necessaryuse t...

61 Chapter 4 Specifications Introduction Performance Characteristics FLUKE guarantees the properties expressed in numericalvalues with the stated tolerance. Specified non-tolerancenumerical values indicate those that could be nominallyexpected from the mean of a range of identicalScopeMeter test too...

Fluke 123/124 Users Manual 62 Dual Input Oscilloscope Vertical Frequency Response DC Coupled: excluding probes and test leads (via BB120): ................ Fluke 123: DC to 20 MHz (-3 dB)Fluke 124: DC to 40 MHz (-3 dB) with STL120 1:1 shielded test leads: ............................. DC to 12.5 MHz...

Specifications Dual Input Oscilloscope 4 63 Horizontal Scope Modes ...................................Normal, Single, Roll Ranges Normal:equivalent sampling (Fluke 123) ..... 20 ns to 500 ns/divequivalent sampling (Fluke 124) ..... 10 ns to 500 ns/divreal time sampling .................................

Fluke 123/124 Users Manual 64 Advanced Scope Functions Display Modes Normal........Captures up to 40 ns glitches and displays analog-like persistence waveform. Smooth .......Suppresses noise from a waveform.Envelope ....Records and displays the minimum and maximum of waveforms over time. Auto Set Co...

Specifications Dual Input Meter 4 65 Dual Input Meter The accuracy of all measurements is within ± (% of reading + number of counts) from 18 ° C to 28 ° C. Add 0.1x (specific accuracy) for each ° C below 18 ° C or above 28 ° C. For voltage measurements with 10:1 probe, add probe uncertainty +1%. Mor...

Fluke 123/124 Users Manual 66 Accuracy: @1 Hz to 1 MHz ............................ ± (0.5% +2 counts) @1 to 10 MHz ............................... ± (1.0% +2 counts) @10 to 50 MHz (Fluke 123) .......... ± (2.5% +2 counts) @10 to 70 MHz (Fluke 124) .......... ± (2.5% +2 counts) (50 MHz in Autorange)...

Specifications Dual Input Meter 4 67 Input A Ohm ( Ω Ω Ω Ω ) Ranges ....... 500 Ω , 5 k Ω , 50 k Ω , 500 k Ω , 5 M Ω , 30 M Ω Accuracy: ......................................... ± (0.6% +5 counts) Full Scale Reading: 500 Ω to 5 M Ω ......................................... 5000 counts 30 M Ω ..........

Fluke 123/124 Users Manual 68 Advanced Meter Functions Zero Set Set actual value to reference Fast/Normal/Smooth Meter settling time Fast: 1s @ 1 µ s to 10 ms/div. Meter settling time Normal: 2s @ 1 µ s to 10 ms/div. Meter settling time Smooth: 10s @ 1 µ s to 10 ms/div. Touch Hold (on A) Captures an...

Specifications Miscellaneous 4 69 Miscellaneous Display Size .................................... 72 x 72 mm (2.83 x 2.83 in)Resolution ............................................240 x 240 pixelsW aveform Display: Vertical ............................................. 8 div of 20 pixelsHorizontal ....

Fluke 123/124 Users Manual 70 Environmental Environmental ....................... MIL-PRF-28800F, Class 2 Temperature Operating ................................0 to 50 ° C (32 to 122 ° F) Storage................................. -20 to 60 ° C (-4 to 140 ° F) Humidity Operating: @0 to 10 ° C (32 to 5...

Fluke 123/124 Users Manual 72 The Fluke 123/124, including standard accessories, conforms with the EEC directive 89/336 for EMC immunity, as definedby IEC1000-4-3, with the addition of the following tables. Trace disturbance with STL120 Table 1 No visible disturbance E= 3 V/m E= 10 V/m Frequency ran...

Specifications Safety 4 73 Multimeter disturbance: • VDC, VAC, and VAC+DC with STL120 and short ground lead. • OHM, CONT, DIODE, and CAP with STL120, and black test lead to COM. Table 3 Disturbance less than 1% of full scale E= 3 V/m E= 10 V/m Frequency range 10 kHz to 27 MHz VDC, VAC, VAC+DCOHM, CO...

75 Index —A— AC coupling, 4AC120 Alligator Clips, 51Accessories, 49AC-Coupling, 26Acquiring the W aveform, 23Acquisition Modes, 63Adjusting Scope Probes, 47Advanced Meter Functions, 68Advanced Scope Functions, 64Alligator Clips, 51Altitude, 70Amperes Measurement, 66Amplitude, 18Auto Set, 64Auto Set ...

Index ( continued ) 77 Isolated, 6Isolated Trigger Probe, 29, 52Isolated Triggering, 29ITP120, 29, 52 —L— Level, 27 —M— Maintenance, 43Making Measurements, 14Manual, 51Manual Override, 64Max. Floating Voltage, 6, 62, 70Max. Input Voltage, 62, 70Maximum (MAX) Reading, 23Measurement Connections, 12Mea...