Fluke 123/124
Contents
1. BACK ENTER Note that free memory locations are indicated by an open square O in front of the memory number o 9 Highlight memory location 7 Fa Save the actual screen and settings The actual screen and settings are saved in memory location 7 and the instrument returns to normal signal acquisition again Recalling Screens and Setups To recall a screen and setups do the following EE 2 Qc Open the SAVE PRINT menu Highlight RECALL SAVE PRINT captured screen 42 SCREEH SETUP DATA SAUE RECALL DELETE PRIHTER PRINT DELETE SETUP SCREEH ALL Open the RECALL ENTER Uti O12 O13 O14 O15 submenu Already filled memory locations are indicated with a closed square W Using The Test Tool 1 Saving and Recalling a Setup and a Screen o J0 Highlight memory 7 fizmUs 01i 16 100mU4 O12 1r OW O18 Old 19 T 10ms O15 nen ezo Toni G Fa View the saved screen and belonging settings Observe that the recalled waveform is displayed and that HOLD appears on the screen From this point you can use cursors for analysis or you can print the recalled screen The instrument returns to signal acquisition if you press the HOLD RUN key The settings such as stored in memory location 7 are used then 33 Fluke 1232. ssesesssesssse MIL28800F class 2 3 8 4 2 4 5 5 3 1 Max 3g 70 Electromagnetic Compatibility EMC Emission EN 50081 1 1992 EN55022 and EN60555 2 V rifier EN 50082 2 1992 IEC1000 4 2 3 4 5 See also Tables 1 to 3 Enclosure Protection IP51 ref IEC529 A Safety Designed for measurements on 600 Vrms Category III Installations Pollution Degree 2 per e ANSI ISA S82 01 1994 e EN61010 1 1993 IEC1010 1 e CAN CSA C22 2 No 1010 1 92 including approval e UL3111 1 including approval Max Input Voltage Input A and B Direct on input or with leads 600 Vrms for derating see Figure 4 1 With Banana to BNC Adapter BB120 300 Vrms for derating see Figure 4 1 Max Floating Voltage from any terminal to ground 600 Vrms up to 400 Hz Specifications 4 Safety MAX INPUT VOLTAGE Vrms 1000 Input Voltage limitation for CAT II for CAT III 1000 500 200 100 100 50 U V S i 0 1 0 01 0 02 0 05 0 1 0 2 05 1 2 5 10 20 50 100 bz T m 3000 f MHz FREQUENCY MHz Figure 4 1 Max Input Voltage v s Frequency for BB120 and STL120 Figure 4 2 Max Input Voltage v s Frequency for VP40 10 1 Voltage Probe 71 Fluke 123 124 Users Manual The Fluke 123 124 including standard acce
3. METER A TREND TOUCH prions Plor Holp ENTER 14 Sas OHM Q CONT 3 DIODE X CAP X 3 Highlight Hz o EN Observe that Hz is now the main reading The former main reading has now moved to the smaller secondary reading position See Figure 1 8 Select Hz To choose also a Peak to Peak measurement for Input B do the following Open the INPUT B menu Hz L1 DUTY AMP O PULSE TEMP O CREST PEAK O PHASE METERS TREND ENTER DP TIONS E Highlight ON FA Turn Input B on Observe that the highlight jumps to the present main measurement PL T A Highlight PEAK FA Open the PEAK submenu PEAK TYPE PEAK MAXA _IPEAK PEAK S PEAK MINE Using The Test Tool 1 Making Measurements Highlight PEAK PEAK QO Hro Zu Accept the pk pk measurement Now you will see a screen like Figure 1 8 341 Ie dus U304e BM BBD fiz 5 uA i msA xr Trig al Bz 5 UA A PEN TRIGGERS COn ica MOVE 7 SLOPE 4 Figure 1 8 Hz and Vpp as Main Readings 15 Fluke 123 124 Users Manual Freezing the Screen You can freeze the screen all readings and waveforms at any time EJ Freeze the screen HOLD appears at the bottom of the reading area Q Eg Resume your measurement 16 Holding a Stable Reading The Touch Hold function
4. 5000 counts Specifications 4 Dual Input Meter Measurement Current ssss 5 uA to 0 5 mA increases with increasing ranges Dual slope integrating measurement with parasitic serial and parallel resistance cancellation 67 Fluke 123 124 Users Manual Advanced Meter Functions Zero Set Set actual value to reference Fast Normal Smooth Meter settling time Fast 1s 1 us to 10 ms div Meter settling time Normal 2s 1 us to 10 ms div Meter settling time Smooth 10s 1 us to 10 ms div Touch Hold on A Captures and freezes a stable measurement result Beeps when stable Touch Hold works on the main meter reading with thresholds of 1 Vpp for AC signals and 100 mV for DC signals TrendPlot Graphs meter readings of the Min and Max values from 15 s div 120 seconds to 2 days div 16 days with time and date stamp Automatic vertical scaling and time compression Displays the actual and Minimum Maximum or average AVG reading Fixed Decimal Point Possible by using attenuation keys 68 Cursor readout Fluke 124 Sources A B Single Vertical Line Average Min and Max Readout Average Min Max and Time from Start of Readout in ROLL mode instrument in HOLD Min Max and Time from Start of Readout in TRENDPLOT mode instrument in HOLD Dual Vertical Lines Peak Peak Time Distance and Reciprocal Time Distance Readout Average Min Max and Time Distance Readout in ROLL mode i
5. D Highlight GRID TYPE 9 Open the GRID TYPE submenu DISPLAY GRID as LINES ObDOTS O HB GRID P ENTER E choose DOTS Fa Accept the new grid display Use LINES when you need a cross hatch pattern based on the horizontal time and vertical divisions on the screen Use DOTS when you need vertical and horizontal division dots as added reference points to the screen 55 Fluke 123 124 Users Manual Changing Date and Time The test tool has a date and time clock To change the date to e g 20 June 2002 do the following o 56 Est a kri zE e Open USER OPTIONS menu USER OPTIONS GRID TYPE DATE ADJUST TIME ADJUST AUTOSET ADJUST POWER DOUH BATTERY UERSIUH REFRESH ANGUAGE s car ENTER Highlight DATE ADJUST Open DATE ADJUST submenu DATE ADJUST Use to adjust YEAR MONTH DAY FORMAT 2002 OG 20 DDH YY W nnzpp vv ENTER Choose 2002 Jump to MONTH Choose 06 Jump to DAY oo Choose 20 Jump to FORMAT oo Choose DD MM YY D Accept the new date You can change the time in a similar way by opening the TIME ADJUST submenu steps and Saving Battery Life When operated on the battery pack no Power Adapter connected the test tool conserves power by shuting itself down If you have not pressed a key for at least 30 minutes the test tool turns itself off automati
6. 39 Using FlukeView SOttwares eti tb ette lida sls a pe sc tote Linda 41 Maintaining the Test Tool eeeesesssssssssseseseseeei nnne nennen ennt tenen nn 43 About this Chapter 5 eorr tede etg he espere pte aee dae dp nee 43 Cleaning the TestiTool iicet rero t eerte eee pe hee Beet pier tA Ee Dee 43 Storing the Test Tool orien a coded ea Ero rei ied teet 43 Charging the Rechargeable Battery Pack ssesseee em 44 Keeping Batteries in Optimal Condition se me 45 Replacing and Disposing of the Rechargeable Battery Pack seenen 46 Using and Adjusting 10 1 Scope Probes ssssee emen 47 Calibrating the Test Tool 2 2 eot iae ecce tette e i de Pedir aiaei 49 Parts and Accessories en e epe eee Wie dee oos 49 Tips and Troubleshooting essent 53 ii Contents continued erirejan Eenr emlt mm 53 Using the THE Stand nn 53 Resetting the Test TOO iiir eno iita iioi casa te aivertanan tcetdstuadysebench at cateedangteemgste 54 Changing the Information Language sese eene 54 Changing the DIS play EE 55 Changing Date and TIME i i rte reto tee oaea reach p Ec ANAE EEE FUR RR To na Rn 56 Saving Battery Life fep ta 57 Changing the Auto Set Options sssssssesse eee ener 58 USING Proper GrOUM Glin Gi cn 59 Solving Printing and Other Communica
7. A AC coupling 4 AC120 Alligator Clips 51 Accessories 49 AC Coupling 26 Acquiring the Waveform 23 Acquisition Modes 63 Adjusting Scope Probes 47 Advanced Meter Functions 68 Advanced Scope Functions 64 Alligator Clips 51 Altitude 70 Amperes Measurement 66 Amplitude 18 Auto Set 64 Auto Set Configuration 58 Automatic Power Shutdown 57 Avoid Electrical Shock 12 B Backlight 9 Banana Jack Inputs 12 Banana to BNC Adapter 51 Bandwidth 62 Battery Charger 50 Battery Disposing 46 Battery Indicator 10 Battery Life 57 Battery Pack 2 44 50 Battery Power 69 Battery Refresh Date 49 Battery Replacing 46 BB120 Adapters 51 Index Blue Function Keys 10 BP120 Battery Pack 47 50 BP130 Battery Pack 47 50 Bright Display 9 E m C120 Hard Case 52 C125 Compact Soft Case 52 C789 Soft Case 52 Calibrating the Test Tool 49 Capacitance 14 59 67 Case 52 Changing the Amplitude 18 Changing the Display 55 Changing the Graphic Representation 18 Changing the Time Base 18 75 Fluke 123 124 Users Manual Charge Time 69 Charger 50 Charging 44 Cleaning 43 Common 12 Communication Errors 60 Compact Soft Case 52 Computer 41 Connect and View function 13 Connecting a Computer 42 Continuity 14 59 67 Contrast 55 Crest Factor 66 Current Measurement 66 Cursors 35 68 p Date 56 DC Voltage VDC 65 Decibel dB 66 Declaration of C
8. PROBE AC ADJUST SCOPE OP eng BACK TRIGGER ENTER Highlight PROBE AC ADJUST Open the PROBE AC ADJUST submenu PROBE AC ADJUST ADJUST PROBE on B HO ADJUST ADJUST 10 1 PROBE ENTER Highlight ADJUST 10 1 PROBE A square wave appears on the screen zu Adjust the trimmer screw in the probe housing to give an optimum square wave Return to normal mode Calibrating the Test Tool You can ask for the model identity version and calibration data at any time To display the identity do the following o Eu o EN Open the USER OPTIONS menu Open the VERSION amp CALIBRATION submenu VERSION amp CALIBRATION MODEL HUMBER SOFTWARE UERSIOH CALIBRATIOH HUMBER CALIBRATION DATE BATTERY REFRESH DATE BATTERY REFRESH LANGUAGE BACK EXIT The screen gives you information about the model number with software version the calibration number with latest calibration date and the latest battery refresh date o a Recalibration must be carried out by qualified personnel only Contact your local Fluke representative for recalibration Return to normal mode Maintaining the Test Tool 2 Calibrating the Test Tool Parts and Accessories Service Manual Ordering Number 4822 872 05389 Standard Accessories The next tables list the user replaceable parts for the various test tool models To order replacement parts contact your nearest service center 49 Flu
9. 3 dB DC to 20 MHz 6 dB Fluke 123 optional accessory DC to 20 MHz 3 dB Fluke 124 standard accessory DC to 40 MHz 3 dB AC Coupled LF roll off excluding probes and test leads lt 10 Hz 3 dB With STE120 nein 10 Hz 3dB with 10 MO 10 1 Probe sse 1 Hz 3 dB Rise Time excluding probes test leads Fluke 123 17 5 ns excluding probes test leads Fluke 124 8 75 ns 62 Input Impedance excluding probes and test leads 1 MQ 12 pF with BB120 e Ee heets 1 MQ 20 pF With S TLE120 icem eec 1 MQ 225 pF with VP40 10 1 Probe 5 MQ 15 5 pF Sensitivity sesssssess 5 mV to 500 V div Display Modes sssssses A A B B A Max Input Voltage A and B direct with test leads or with VP40 Probe 600 Vrms With BB 120 iue ederet dedi 300 Vrms For detailed specifications see Safety Figs 4 1 4 2 A Max Floating Voltage from any terminal to ground 600 Vrms up to 400 Hz Resolution pic acne aed nae os 8 bit Vertical Accuracy 1 0 05 range div Max Vertical Move 4 divisions Horizontal Scope Modes Normal Single Roll Ranges Normal equivalent sampling Fluke 123 20 ns to 500 ns div equivalent sampling Fluke 124
10. CIDE MOVE Raye SLOPE jd CONTRAST Choose A MOVE Position the waveform of INPUT A on the screen Waveform positioning is demonstrated in Figure 1 10 Observe that the trigger identifier I moves horizontally on the screen Using The Test Tool Changing the Graphic Representation on the Screen fiz EATA 90us xr Trig ar 3 E TRIGGERS ics id OU SLOPE Figure 1 10 Positioning the Waveform 1 19 Fluke 123 124 Users Manual Smoothing the Waveform To smooth the waveform do the following ES TEN Open the SCOPE INPUTS menu Q Open the SCOPE OPTIONS submenu SCOPE OPTIONS SCOPE MODE WAVEFORM MODE W suis W HORMAL O SINGLE SHOT O SMOOTH O ROLL MODE O EHUEL PE BACK PROBES TRIGGER ENTER Jump to WAVEFORM MODE o gm Highlight SMOOTH o a You can use waveform smooth to suppress noise without loss of bandwidth Waveform samples with and without smoothing are shown in Figure 1 11 Accept waveform smooth 20 E s Az 2UA EI Xr rig ar MOVE 7 ROVE a SLOPE gt AREIS OAE PETEN ERE PEES ETE E OE ERES ims XE Trig Al f TRIGGERS MOVE Rove SLOPE Figure 1 11 Smoothing the Waveform Displaying the Envelope of a Waveform The test tool records the envelope minimum and maximum of the live waveforms A and B Repeat the first three actions of Smoothing the Waveform and then do the follo
11. Observe that two horizontal cursor lines are displayed Highlight the upper cursor Move the upper cursor to the desired position on the screen Highlight the lower cursor Move the lower cursor to the desired position on the screen Using The Test Tool 1 Making Cursor Measurements Note Even when the key labels are not displayed at the bottom of the screen you can still use the arrow keys 143D ts an ui d UA ims xr iria al CURSOR nigy 1 MOVE Fees Dd OFF Figure 1 19 Voltage Measurement with Cursors 35 Fluke 123 124 Users Manual The readout shows the voltage difference between the two cursors and the voltages at the cursors in relation to the zero icon See Figure 1 19 Use horizontal cursors to measure the amplitude high and low value or overshoot of a waveform Using Vertical Cursors on a Waveform To use the cursors for a time measurement do the following Fa From Scope mode display the Cursor Key functions EPEC TT cs fei Q 220 Press to highlight Il Observe that two vertical cursors are displayed Markers identify the point where the cursors cross the waveform If necessary choose the trace A or B Fo Highlight the left cursor Move the left cursor to the desired position on the waveform 36 Fo Highlight the right cursor Move the right cursor to the desired position on the waveform Al te 1880us E d
12. 10 ns to 500 ns div real time sampling ssse 1 us to 5 s div Single real time sssss 1 us to 5 s div Roll real time eese 1s to 60 s div Sampling Rate for both channels simultaneously Equivalent sampling repetitive signals up to 1 25 GS s Real time sampling 1 us to 5 ms div see 25 MS s 10 ms to 60 s div ee 5 MS s Time Base Accuracy Equivalent sampling 0 4 0 04 time div Real time sampling 0 1 0 04 time div Glitch Detection 240 ns 20 ns to 5 ms div 2200 ns 10 ms to 60 s div Glitch detection is always active Horizontal Move l 10 divisions Trigger point can be positioned anywhere across the Screen Specifications 4 Dual Input Oscilloscope Trigger Screen Update Free Run On Trigger Telllye MOT EE I A B EXT EXTernal via optically isolated trigger probe ITP120 optional accessory Sensitivity A and B Fluke 123 DC to 5 MHz sssss 0 5 divisions or 5 mV 0 25 MHZ ei oai ana ais 1 5 divisions 40 MAZ eree a a iee aia 4 divisions Sensitivity A and B Fluke 124 DC to 5 MHZ 0 5 divisions or 5 mV 40 MHZ erret 1 5 divisions 60 MEZ sei c erede ttes 4 divisions Slope eines nen Positive Negative Video on A interlaced video
13. 124 Users Manual Deleting Screens and Associated Setups To delete all or just 1 screen setups do the following E Open the SAVE PRINT menu If you want to clear all memory locations press F3 DELETE ALL If you want to clear just 1 memory location e g memory 7 do the following gt Highlight DELETE o EN 9 0 9 34 Open the DELETE submenu ul amp O11 16 Oe HN Li 1r 03 08 043 O18 o4 9 O14 19 O05 Hi ni O20 BACK ENTER Filled memory locations are indicated with a closed square Highlight memory 7 Army L1 6 O11 16 100mU4 Oe mm ow 1r 03 Of Lois O18 o4 O14 19 mE 9 T 10ms4 Ow nis O80 6707702 10 01 i BACK ENTER Observe that the settings and date time of creation of the waveform in memory 7 are displayed now The contents of memory 7 are deleted and the instrument returns to normal signal acquisition Making Cursor Measurements Fluke 124 has cursors Cursors allow you to make precise digital measurements on waveforms This can be done on live waveforms and on saved waveforms Using Horizontal Cursors on a Waveform To use the cursors for a voltage measurement do the following ES NH F2 e F2 oO From Scope mode display the Cursor Key functions CURSOR Tove ff mn Press to highlight EJ
14. A and B via BB120 300 V CAT III Input A and B via STL120 600 V CAT III AN Max Floating Voltage From any terminal to ground 600 V CAT III Voltage ratings are given as working voltage They should be read as Vac rms 50 60 Hz for AC sinewave applications and as Vdc for DC applications Overvoltage Category Ill refers to distribution level and fixed installation circuits inside a building The terms Isolated or Electrically floating are used in this manual to indicate a measurement in which the Test Tool s Shielded Banana inputs or banana jack is connected to a voltage different from earth ground The isolated input connectors have no exposed metal and are fully insulated to protect against electrical shock 6 If Safety Features are Impaired Use of the Test Tool in a manner not specified may impair the protection provided by the equipment Before use inspect the test leads for mechanical damage and replace damaged test leads Whenever it is likely that safety has been impaired the Test Tool must be turned off and disconnected from the line power The matter should then be referred to qualified personnel Safety is likely to be impaired if for example the Test Tool fails to perform the intended measurements or shows visible damage Goal of this Chapter This Chapter provides a step by step introduction to the test tool The introduction d
15. COUPLING ij 58 Using Proper Grounding Incorrect grounding can cause various problems This Section 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 A Warning To avoid electrical shock or es use only one COM common connection 9 or ensure that all connections to COM Y are at the same potential V Use the unshielded black ground lead to COM common for Ohm Q Continuity Diode and Capacitance measurements See Figure 3 3 Using the unshielded ground lead is also possible for single or dual input measurements for waveforms with a frequency up to 1 MHz This may add some hum or noise to the waveform display due to the unshielded ground lead Tips and Troubleshooting Using Proper Grounding 59 Fluke 123 124 Users Manual Solving Printing and Other Battery Testing of Fluke Accessories Communication Errors When using battery operated Fluke accessories always RS 232 communication may cause problems When check the battery condition of the accessory first on a experiencing communication problems try the following Fluke multimeter remedies Make sure that the interface cable is connected to the correct port on the printer or computer If necessary use the 9 pin to 25 pin adapter or gender changer Make sure that you have selected the correct printer type To select printer type see Chapter 1
16. Symbols used on the test tool and in this manual are explained in the next table A Warning To avoid electrical shock use only Fluke power supply Model PM8907 Power Adapter Battery Charger See explanation in Xy Equal potential manual inputs Disposal information Earth Recycling cE Conformit information Europ enne Up UL listed Warning Should this test tool be used with AC coupling selected or manual operation of amplitude or time base ranges the measuring results displayed on the screen may not be representative of the total signal This can result in the presence of dangerous voltages of more than 42V peak 30V rms not being detected To guarantee user safety all signals should first be measured with DC coupling selected and in fully automatic mode This ensures that the full signal content is measured Double Insulation Protection Class A Warning O To avoid electrical shock or fire e Use only the power supply Model PM8907 Battery Charger Power Adapter e Before use check that the selected indicated voltage range on the PM8907 matches the local line power voltage and frequency e For the PM8907 808 universal Battery Charger Power Adapter use only line cords that comply with the local safety regulations Note To accommodate connection to various line power sockets the PM8907 808 universal Battery Charger Power Adapter is equipped with a male plug that must be connected to a lin
17. at normal brightness When battery powered the battery indicator on the bottom of the screen informs you about the condition of the battery The battery symbols are Bb Ii K 3 The battery symbol x indicates that there are typically five minutes of operating time left Use the setup as shown in Figure 2 1 to charge the battery pack and power the instrument Turn the test tool off to charge the batteries more quickly Note The test tool uses a trickle charge for the batteries so no damage can occur if you leave it charging for long periods e g through the weekend 44 Figure 2 1 Charging the Battery Pack Keeping Batteries in Optimal Condition Always operate the test tool on batteries until an x icon appears on the bottom line of the screen This indicates that the battery level is low and that the batteries need to be recharged Frequent charging of the batteries when they are not completely empty can reduce the operating time for the test tool You can refresh the battery pack at any time This battery refresh cycle fully discharges and charges the battery pack A complete refresh cycle takes about 14 hours Fluke 123 with Ni Cd battery or 19 hours Fluke 124 with Ni MH battery and should be done at least four times a year Note Be sure not to disconnect the Power Adapter during the complete refresh cycle Doing so will interrupt the refresh cycle Maintaining the Test Tool 2 Keeping Batter
18. captures and freezes the next stable measurement result A beep indicates that a stable measurement has been made Use the following procedure for the Touch Hold function Open the INPUT A menu VHzA Qe Q F3 TOUCH HOLD OFF appears on bottom of the screen Q Measure the signal BEEP Wait until an audible beep now you have a stable display The screen continues to update with valid readings and beeps as longs as you maintain the measurement connections Because no special keys accompany the Touch Hold function you can use this function for hands free measurements 228 Return to normal measurement Making Relative Measurements Zero Reference displays the present measurement result with respect to the defined value This feature is useful when you need to monitor the measured value in relation to a known good value VHzA Ua Open the INPUT A menu Open the METER A OPTIONS submenu METER OPTIONS SMODTHIHG ZERO REF D FAST E OFF E HORMAL OOH O SMOOTH COUPLING W TUM OAC OHLY TREHD TOUCH BACK PLOT HOLD ENTER Jump to ZERO REF Highlight ON Activate the relative measurement Using The Test Tool Making Relative Measurements 0403 Az TUA 20usa E Trig AL A E lt gt TRIGGERS MOuE seve SLOPE 6 Figure 1 9 Making a Relative Measurement The relative measurement now becomes the main 1 reading wh
19. the following The Optically Isolated RS 232 Adapter Cable PM9080 to connect a serial printer to the OPTICAL PORT of the test tool See Figure 1 22 The Print Adapter Cable PAC91 optional to connect a parallel printer to the OPTICAL PORT of the test tool See Figure 1 23 39 Fluke 123 124 Users Manual Figure 1 23 Connecting a Parallel Printer 0 Q 40 E Em This example covers how to set up the test tool to print on a HP Deskjet printer with a baudrate of 9600 baud Open the SAVE amp PRINT menu Observe that the screen is freezed Open the PRINTER SETUP submenu PRIHTER SETUP PRIHTER TYPE BAUD RATE WISI O 1200 O LASERJET O 2400 O EPSUH Fa LO W EDT O POSTSCRIPT O 19200 sack ea T ENTER Highlight DESKJET Select DESKJET Highlight 9600 Accept the print selections Now you are ready to print To print a live screen do the following Open the SAVE amp PRINT menu Start printing To print a recalled screen do the following Start printing A message that indicates that the test tool is printing appears on bottom of the screen Using The Test Tool 1 Using FlukeView Software Using FlukeView Software To connect the test tool to a computer for using the FlukeView software for Windows SW90W do the following Use the Optically Isolated RS 232 Adapter Cable PM9080 to connect a computer to the OPTICAL PORT of
20. trace amplitude and the voltage at the cursors in relation to the zero icon See Figure 1 21 o a Turn off the cursors 38 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 T1 Fa Press ENTER to confirm the selection Observe that the 10 times attenuation of the Probe is compensated in the voltage readout Probe Adjustment The Probe of model VP40 such as supplied with the Test Tool is always adapted correctly to its inputs high frequency adjustment is not necessary Other 10 1 Probes however must be adjusted for optimal High Frequency performance How to adjust these Probes is explained in Chapter 2 under Using and Adjusting 10 1 Scope Probes Using The Test Tool 1 Using a Printer Using a Printer To print a graphic hard copy of the present screen you need to use one of
21. wish to observe a small AC signal that rides on a DC signal Ea Open the SCOPE INPUTS menu SCOPE INPUTS IHPUT fi IHPUT B a E HORAL BOC ONORMAL OAC LI IHUERT OAC O INVERT W OFF OF chu PROBES TRIGGER ENTER D Highlight ac eo Accept AC coupling for INPUT A 26 Reversing the Polarity of the Displayed Waveform To invert the input A waveform do the following o E Open the SCOPE INPUTS menu SCOPE INPUTS IHPUT fi IHPUT B a E HORAL BOC O NORMAL OAC LI IHUERT OAC O INVERT W OFF op ions PROBES TRIGGER ENTER Select NORMAL of INPUT A o mm G Highlight Invert Ps Accept inverted waveform 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 FN on left of the waveform area Triggering on a Waveform Triggering tells the test tool when to begin displaying the waveform You can select which input signal should be used on which edge this should occur and you can define the condition for a new update of the waveform Finally you can tell the test tool to trigger on video signals The bottom line of the waveform area identifies the trigger parameters being used Trigger icons on the screen indicate the trigger level and slope See Figure 1 16 Setting Trigger Level and S
22. 1 MHz 10 MHz and 50 MHz Fluke 123 or 70MHz Fluke 124 Frequency Range in Continuous Autoset 15 Hz 1 Hz to 50 MHz 65 Fluke 123 124 Users Manual Accuracy 1 Hz to 1 MHZ ee 0 5 2 counts 1 to 10 MHZ ees 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 Full Scale Reading 10 000 counts Duty Cycle DUTY bCuan pe 296 to 9896 15 Hz 1 Hz to 30 MHz Accuracy Logic or Pulse waveforms 1HZ to 1 MHZ ees 0 5 2 counts 91 MHz to 10 MEZ 1 0 2 counts Pulse Width PULSE Frequency Range in Continuous Autoset 15 Hz 1 Hz to 30 MHz Accuracy Logic or Pulse waveforms 1 Hz to 1 MHZ ee 0 5 2 counts 1 MHz to 10 MEZ 1 0 2 counts Full Scale Reading 1000 counts Amperes AMP with optional current probe Ranges same as VDC VAC VAC DC or PEAK Scale Factor 1 mV A 10 mV A 100 mV A and 1 V A 66 Accuracy same as VDC VAC VAC DC or PEAK add current probe uncertainty Temperature TEMP with optional temperature probe Range eie tee 200 C div 200 F div Scale Factor 1 mV C and 1 mV F Accuracy as VDC add temp probe uncertainty Decibel
23. 3 F Memory Number of Screen Setup Memories Fluke 123 10 Number of Screen Setup Memories Fluke 124 20 Mechanical DIZO pc 232 x 115 x 50 mm 9 1 x 4 5 x 2 in Weight itp ener reer eer eee errant 1 2 kg 2 5 Ibs including battery pack Interface sss RS 232 optically isolated To Printer supports Epson FX LQ and HP Deskjet Laserjet and Postscript Serial via PM9080 optically isolated RS 232 adapter cable optional Parallel via PAC91 optically isolated print adapter cable optional TO PO senes Dump and load settings and data Serial via PM9080 optically isolated RS 232 adapter cable optional using SW90W FlukeView software for Windows 69 Fluke 123 124 Users Manual Environmental Environmental MIL PRF 28800F Class 2 Temperature Operating 0 to 50 C 32 to 122 F Storage eene 20 to 60 C 4 to 140 F Humidity Operating 80 to 10 C 32 to 50 F noncondensing 810 to 30 C 50 to 86 F sssses 95 30 to 40 C 86 to 104 F 75 40 to 50 C 104 to 122 F 45 Storage 20 to 60 C 4 to 140 F noncondensing Altitude Operating sssessssss 4 5 km 15 000 feet Max Input and Floating Voltage 600 Vrms upto 2 km linearly derating to 400 Vrms 4 5 km Storage aen pee 12 km 40 000 feet Vibration sinusoidal
24. 48 1 TREND Y TREND YOI MAX CONTRAST OFF RESTART AVERAGE Figure 1 13 TrendPlot Reading Note When a new minimum value is detected a beep occurs and the new minimum is displayed Changing the TrendPlot Reading To toggle the TrendPlot reading between MIN minimum MAX maximum and AVERAGE do the following o m o E Note that the date and time stamp now updates continuously to indicate the most recent change in a reading Change MIN into MAX reading Change MAX into AVG reading Turning Off the TrendPlot Display o NN Turn TrendPlot off again Using The Test Tool Acquiring the Waveform Acquiring the Waveform Making a Single Acquisition To catch single events you can perform a single shot One time screen update To set up the test tool for a single shot on the input A waveform do the following Connect the probe to the signal to be measured Eg Q Open the SCOPE INPUTS menu Open the SCOPE OPTIONS submenu SCOPE OPTIONS SCOPE MODE WAVEFORM MODE L_JHORMAL W HORMAL O SINGLE SHOT O SMOOTH O ROLL MODE O EHUEL PE BACK PROBES TRIGGER ENTER Highlight SINGLE SHOT e ie Accept the set up for a Single Shot 23 Fluke 123 124 Users Manual EJ Wait appears on bottom of the screen to indicate that the test tool is waiting for a trigger Run appears on bottom of the screen when the single acquisition is triggered Hold appe
25. FLUKE Fluke 123 124 Industrial ScopeMeter Users Manual GB Sep 2002 2002 Fluke Corporation All rights reserved All product names are trademarks of their respective companies LIMITED WARRANTY amp LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is three years for the Test Tool and one year for its accessories The warranty period begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke res
26. Make sure that the baud rate matches with the printer or computer To set the baud rate see Chapter 1 Reset the RS 232 parameters to defaults 60 Introduction Performance Characteristics FLUKE guarantees the properties expressed in numerical values with the stated tolerance Specified non tolerance numerical values indicate those that could be nominally expected from the mean of a range of identical ScopeMeter test tools Environmental Data The environmental data mentioned in this manual are based on the results of the manufacturer s verification procedures Chapter 4 Specifications Safety Characteristics The test tool has been designed and tested in accordance with Standards ANSI ISA S82 01 1994 EN 61010 1 1993 IEC 1010 1 CAN CSA C22 2 No 1010 1 92 including approval UL3111 1 including approval Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use This manual contains information and warnings that must be followed by the user to ensure safe operation and to keep the instrument in a safe condition Use of this equipment in a manner not specified by the manufacturer may impair protection provided by the equipment 61 Fluke 123 124 Users Manual Dual Input Oscilloscope Vertical Frequency Response DC Coupled 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
27. Max Reading 23 Minimum MIN Reading 22 Multimeter Disturbance 73 N Ni Cd Battery Pack 2 44 50 Ni MH Battery Pack 2 44 o Ohm Q 14 59 67 Operating Time 69 Optical Interface 39 41 69 p PAC91 52 Parallel Print Cable 52 Parts 49 Peak 65 Performance Characteristics 61 Phase 66 PM8907 50 PM8918 47 PM8918 Probe 52 62 PM9080 39 41 52 Polarity 26 Positioning the Waveform 19 Power Adapter 50 57 Power Down Timer 57 Powering the Test Tool 7 Print Cable 52 Index continued Printing 39 Printing Errors 60 Probe 47 52 62 Probe 10 1 38 Probe Adjustment 39 Probe Attenuation 38 Pulse Width 66 R Reading Area 10 14 Reading the Screen 10 Recalibrating 49 Recalling 32 Recalling Screens and Setups 33 Record a Waveform 21 Recording Slow Signals 25 Red INPUT A 12 Refreshing the Batteries 49 Relative Measurements 17 Replaceable Parts 49 Replacing Batteries 46 Resetting 54 Resetting the Test Tool 8 Reversing the Polarity 26 Rise Time 62 Rise Time Measurements 37 Roll Mode Function 25 77 Fluke 123 124 Users Manual RS 232 Adapter Cable 39 41 52 RS 232 Communication Errors 60 PUN Safety 70 Safety Characteristics 61 Safety Precautions 4 Safety Requirements 1 Sampling Rate 63 Saving 32 Saving Screens and Setups 32 SCC 120 41 52 Scope Modes 63 Scope Probes 52 Screen Contrast 55 Select
28. OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT TORT RELIANCE OR ANY OTHER THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation P O Box 9090 Everett WA 98206 9090 USA or Fluke Industrial B V P O Box 90 7600 AB Almelo The Netherlands SERVICE CENTERS To locate an authorized service center visit us on the World Wide Web http www fluke com or call Fluke using any of the phone numbers listed below 1 888 993 5853 in U S A and Canada 31 402 675 200 in Europe 1 425 446 5500 from other countries Table of Contents Chapter Title Page Declaration of Conformity essei in nnns niin nnn innen nnn 1 Unpacking the Test Tool Kit tite tete eet de tbe tede cited doute 2 Safely Using the Test Tool te eee tees 4 1 Using The Test Tool icicccciecciescisccceccinecwecececcssntucedevecueedenusnerdasnucreveadeeerdecteeusieces ustecnrenss 7 Goal OF this Chaplter nct tt oio oett rne a eds ace aat gesunde a aa Ru 7 Powering the Test Tool 1 en irn erg etr
29. Setting the automatic triggering to gt 1Hz will slow down the auto range TRIG A appears in gray text on bottom of the screen when no trigger is found Note Gray text in a menu or button bar indicates that the function is disabled or the status is not valid Isolated Triggering Use the optically isolated trigger probe ITP120 optional to trigger on an external source and to isolate the test tool from a trigger waveform See Figure 1 17 To choose the isolated trigger probe select EXT in point of the previous example Trigger level is fixed and is TTL compatible Figure 1 17 Isolated Triggering Using The Test Tool Triggering on a Waveform Triggering on Video Signals Apply an interlaced video signal to the red input A To trigger on a random video line continue from point O of the previous example as follows GE amp Highlight VIDEO on A o m Open the VIDEO TRIGGER submenu SYSTEM LIKE POLARITY nmn ORANDOM W POSITIVE O HTSC E SELECT LI HEGRTIUE OPALplus O SECAM ED Highlight PAL Select PAL C3 Highlight RANDOM Select RANDOM 898 o o d 29 Fluke 123 124 Users Manual Highlight POSITIVE Accept the video trigger selections Trigger level and slope are now fixed See Figure 1 18 Positive video is indicated as a icon on bottom of the Screen 30 b d i amp 200mU 10u54 Xr Trig fs Figure 1 18 Meas
30. Tm vti 5319kuz meum 1o Peri i as As 1UA S0ush Xr irigar B TUA CURSOR Your tg IRACE CURSOR ID H B M OFF Figure 1 20 Time Measurement with Cursors The readout shows the time difference t between the cursors and the voltage difference between the two markers See Figure 1 20 The signal frequency is displayed behind 1 t if exactly 1 signal period is between the cursors Making Rise Time Measurements To measure rise time do the following Fa From Scope mode display the Cursor Key functions Using The Test Tool 1 Making Cursor Measurements Fo Highlight the other cursor oa y Move the lower cursor to 0 of the trace height A marker is shown at 10 CURSOR moue AUTO CURSOR Emm GET OFF Q Fi Press to highlight Ell rise time Observe that two horizontal cursors are displayed F3 If only one trace is displayed select MANUAL or AUTO AUTO automatically does steps 4 to 6 For multiple traces select the required trace A or B ED Move the upper cursor to 100 of the trace height A marker is shown at 90 HIGH 153v Low 150v Tula ae ees ae ae PEPEE FETTE PPS DIOS PE IPIE IBID IDEE ERETTI RT Azs00mUA 500nsA Xr Trig Al CURSOR wur AUTO _ Y_CURSOR Gs CEO 0 OFF Figure 1 21 Risetime Measurement with Cursors 37 Fluke 123 124 Users Manual The reading now shows the risetime from 10 90 of the
31. UTY O upc O CONT OAMP O PULSE O VAC DC O DIODE O TEMP O CREST O dB OCAP OPEAK O PHASE METER A TREND TOUCH lOPTIONS PLOT HOLD ENTER fie nA tis g Himal RIGGERS foue foue Store e Fluke 123 g TRIGGERS CURSOR FY oc SES GPP 0883 Fluke 124 Figure 1 3 The Screen Area s Making Selections in a Menu Subsequently follow steps to amp to open a menu and to choose an item Fs Press the SCOPE MENU key to open the Scope menu SCOPE INPUTS IHPUT fi IHPUT B a E H RMAL MDC ONORMAL OAC LI IHUERT OAC O INVERT W OFF opens PROBES TRIGGER ENTER Note Pressing the SCOPE MENU key a second time closes this menu and resumes normal measurement This toggling enables you to check the menu without destroying your settings G Usethe blue arrow keys to highlight the item Fa Press the blue ENTER function key to confirm selection Fa Press ENTER until you return to normal mode Using The Test Tool 1 Making Selections in a Menu Figure 1 4 shows the basic navigation of the test tool E 8 jo zm IA A BW A amp W Qs 5 8 amp 00 2 ss S R OL EHSAN ON SSH ON Q 4 9 amp 0 Qst 96 8 0 S N amp Figure 1 4 Basic Navigation Note When you do not change an item with the blue arrow keys repeatedly pressing Gl enables you
32. V 50V 500V 1250V Accuracy for 5 to 10096 of range DC coupled DC to 60 Hz VAC DO 1 10 counts 1 Hz to 60 Hz VAC 1 10 counts AC or DC coupled 60 Hz to 20 KHZ eee 2 5 15 counts 20 kHz to 1 MHZ 5 20 counts 1 MHz to 5 MHz 10 25 counts Specifications 4 Dual Input Meter 5 MHz to 12 5 MEZ 30 25 counts 5 MHz to 20 MHz excl test leads or probes 30 25 counts AC coupled with 1 1 shielded test leads 60 Hz 6 Hz with 10 1 probe 1 596 50 Hz 5 Hz with 10 1 probe 2 33 Hz 3 3 Hz with 10 1 probe 5 10 Hz 1 Hz with 10 1 probe 30 DC Rejection only VAC ecese gt 50 dB Common Mode Rejection CMRR 2100 dB DC 260 dB 50 60 or 400 Hz Full Scale Reading 5000 counts The reading is independent of any signal crest factor Peak Modes Max peak Min peak or pk to pk Ranges ss 500 mV 5V 50V 500V 1250V Accuracy Max peak or Min peak 5 of full scale Peak to Peak sess 1096 of full scale Full Scale Reading sess 500 counts Frequency Hz Ranges 1 Hz 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz
33. an Swedish Finnish Russian 4822 872 30712 Getting Started Manual English Chinese Japanese Korean 4822 872 30713 CD ROM with Users Manual All languages 4022 240 12370 51 Fluke 123 124 Users Manual Optional Accessories fem Ordering Code Software amp Cable Carrying Case Kit Supplied with Fluke 123 S 124 S SCC 120 Set contains the following parts Optically Isolated RS 232 Adapter Cable PM9080 Hard Carrying Case Supplied with Fluke 123 S 124 S C120 FlukeView ScopeMeter Software for Windows SW90W 10 1 Scope Probe VP40 Supplied with Fluke 124 124 S D VPS40 Set of two Soft Carrying Case 52 Goal of this Chapter This Chapter gives you information and tips on how you can make the best use of the test tool Using the Tilt Stand The test tool is equipped with a tilt stand allowing viewing from an angle You can also use the tilt stand to hang the test tool at a convenient viewing position Simply tilt the stand and hang the test tool Typical positions are shown in Figure 3 1 Chapter 3 Tips and Troubleshooting c gt s Figure 3 1 Using the Tilt Stand 53 Fluke 123 124 Users Manual Resetting the Test Tool Perform a Master Reset to make sure that your test tool is in the initial settings condition Turn the test tool off ES Press and hold Press and release The test tool turns on and you should hear a double beep indi
34. ars on bottom of the screen when the single acquisition has been completed The test tool will now have a screen like Figure 1 14 To perform a next single acquisition do the following Eg Wait for another single acquisition trigger 24 1803 10e SINGLE fs d UA Imsa E Hold Ar A B so PEER CONTRAST Move P seve 7 Elta Figure 1 14 Making a Single Acquisition Recording Slow Signals over a Long Period of Time The roll mode function supplies a visual log of waveform activity and is especially useful when you measure lower frequency waveforms ES o wz Open the SCOPE INPUTS menu Open the SCOPE OPTIONS submenu SCOPE OPTIONS SCOPE MODE WAVEFORM MODE W uus E HORMAL O SINGLE SHOT O SMOOTH O ROLL MODE O EHUEL PE BACK PROBES TRIGGER ENTER GE amp Highlight ROLL MODE eo e The waveform moves accross the screen from right to left like a normal chart recorder Observe that during recording no measurements are made See Figure 1 15 Start Recording Using The Test Tool Acquiring the Waveform CONTRAST lk ed il PEERS PPM eae eee IP ET An 1UA 1s4 XI SCOPE e Figure 1 15 Recording Waveforms over Longer Period of Time EJ Freeze Recording Observe that the measurement values are only displayed after Eg is pressed See figure 1 15 25 Fluke 123 124 Users Manual Selecting AC Coupling Use AC coupling when you
35. cally Note If the Power Adapter is connected there is no automatic power shutdown Although automatic power shutdown will not occur if TrendPlot is on the backlight will dim Recording will continue even if the battery pack is low and retention of memories is not jeopardized Setting the Power Down Timer To extend battery life the power shutdown time is set to 30 minutes after the last key press To set the power shutdown to five minutes do the following o E 5C Highlight Power DOWN Open the USER OPTIONS menu Tips and Troubleshooting Saving Battery Life Open the submenu POWER DOWH INSTRUMENT AUTO OFF In Trendplot Backlight low O AFTER 5 MINUTES LJAFTER 30 MINUTES O HEUER ENTER Highlight AFTER 5 MIN Accept the new power down time 57 Fluke 123 124 Users Manual Changing the Auto Set Options G amp gt Highlight UNCHANGED Normally the Auto Set function captures waveforms from za 15 Hz Accept the new Auto Set configuration To configure Auto Set for waveforms from 1 Hz with unchanged input coupling do the following Note Setting the Auto Set adjust to 1 Hz will slow down the Auto Set response EA Open the User Options menu G Highlight AUTOSET ADJUST Openthe AUTOSET ADJUST submenu SEARCH for COUPLING MEV Ab SET to OC O SIGHAL gt 1Hz O UNCHANGED ENTER Highlight SIGNALS gt 1 Hz 9 Select
36. cating the Reset was successful Ea Release Changing the Information Language When you operate the test tool messages appear on the bottom of the screen These messages are always displayed in a box and can in some test tool versions be displayed in more languages In different combinations you can choose from 10 languages English French German Italian Spanish Portuguese Dutch Japanese Korean and Chinese If you want to change the language of the messages into e g Italian do the following 54 i iB C 9 C Hg Open the USER OPTIONS menu Open the LANGUAGE SELECT submenu OENGLISH OPORTUGUES p row O FRAN AIS O ITALIANO O DEUTSCH MAAE O ESPANOL BATTERY VERSION REFRESH BACK g caL ENTER Highlight ITALIANO Accept ITALIANO Italian as language Changing the Display Adjusting the Screen Contrast in Fluke 123 Fa From the main menu choose CONTRAST Adjustthe contrast of the screen Adjusting the Screen Contrast in Fluke 124 Ea Switch from cursor control to display control rom the display control menu Q From the displ trol choose CONTRAST G amp gt Adjustthe contrast of the screen Note The new contrast adjustment of the screen is saved in memory until a new adjustment is made Tips and Troubleshooting Changing the Display Setting the Grid Display To choose a dotted grid do the following Open the USER OPTIONS menu
37. dB uni c 1V 0 dBm 600Q 50Q2 seen 1 mW referenced to 6009 or 500 OB Oh rerit iae VDC VAC or VAC DC Full Scale Reading 1000 counts Crest Factor CREST Range uei t e a 1 to 10 ACCUIACY D 5 1 count Full Scale Reading sssss 100 counts Phase Modes x5 n oe ene A to B Bto A Range teuren pet 0 to 359 degrees Accuracy up to 1 MHZ ssssesees 2 degrees Accuracy 1 MHz to 5 MHz ssss 5 degrees hesol tiori i im me etate tee 1 degree Input A Ohm Q Ranges 5000 5 kQ 50 kQ 500 kQ 5 MQ 30 MO ACCUFacy n 0 6 5 counts Full Scale Reading 5000 to 5 MQ 5000 counts IOM iato se LORD Ue 3000 counts Measurement Current 0 5 mA to 50 nA decreases with increasing ranges Open Circuit Voltage eee lt 4V Continuity CONT Bep oie lt 30Q 5Q in 50Q range Measurement Current neee 0 5 mA Detection of shorts of sss 21ms Diode Measurement Voltage 00 5 mA x cte eee E Deos ee Ra 22 8V Q open circuit eer lt 4V ACCUraocy iecit etri dede 2 5 counts Measurement Current ccceceeeeeeeeeeteeeeees 0 5 mA Polarity 5 eee on input A on COM Capacitance CAP Ranges 50 nF 500 nF 5 uF 50 uF 500 uF ACCULACY memet ene 2 10 counts Full Scale Reading
38. e cord appropriate for local use Since the adapter is isolated the line cord does not need to be equipped with a terminal for connection to protective ground Since line cords with a protective grounding terminal are more commonly available you might consider using these anyhow Safely Using the Test Tool A Warning To avoid electrical shock or fire if a Test Tool input is connected to more than 42 V peak 30 Vrms or on circuits of more than 4800 VA e Use only insulated voltage probes test leads and adapters supplied with the Test Tool or indicated as suitable for the Fluke 123 124 Test Tool e Before use inspect voltage probes test leads and accessories for mechanical damage and replace when damaged e Remove all probes test leads and accessories that are not in use e Always connect the battery charger first to the ac outlet before connecting it to the Test Tool e Do not connect the ground wire Figure 1 item 5 to voltages higher than 42 V peak 30 Vrms from earth ground e Do not apply input voltages above the rating of the instrument Use caution when using 1 1 test leads because the probe tip voltage will be directly transmitted to the Test Tool e Do not use exposed metal BNC or banana plug connectors Fluke 123 124 Users Manual e Do not insert metal objects into connectors e Always use the Test Tool only in the manner specified A Max Input Voltages Input A and B directly 600 V CAT III Input
39. e battery access cover away from the test tool Take the battery pack out of the battery compartment Remove the battery plug from the connector Install a new battery pack 8 Note Ensure that the battery pack is placed in the battery compartment as shown in Figure 2 2 For Fluke 123 use the Fluke BP120 Ni Cd standard or BP130 Ni MH extended operating time battery pack For Fluke 124 it is recommended to use the Fluke BP130 Ni MH battery pack Reinstall the battery cover and secure the screw Using and Adjusting 10 1 Scope Probes Note The 10 1 voltage probe that is supplied with Fluke 124 is always adjusted correctly to the Test Tool and needs no further adjustment You need to adjust other scope probes e g VPS100 optional for optimal response Warning To avoid electrical shock use the BB120 Banana to BNC adapter delivered with the test tool to connect a 10 1 scope probe to the input of the test tool To adjust probes do the following Maintaining the Test Tool 2 Using and Adjusting 10 1 Scope Probes Connect the 10 1 scope probe from the gray input B jack to the red input A jack Use the red 4 mm banana adapter delivered with the probe and the banana to BNC adapter BB120 See Figure 2 3 Figure 2 3 Adjusting Scope Probes 47 Fluke 123 124 Users Manual 48 BE Open the SCOPE INPUTS menu Open the PROBES submenu PROBES PROBE on A PROBE on B
40. e reducunt E aina adve ceeds 7 Resettirnig the Test Tool ict pco ene petere te ga dea oec de Toce Rene ede 8 Changing Backlight 5 5 reed aie aren davies ais 9 Reading The SCE Nin Em 10 Making Selections in a Menu ssssseeee em eee nnnm 11 Looking at the Measurement Connections sssssseeee emen 12 Displaying an Unknown Signal with Connect and View eussssssseeeeee 13 Making Measurements c ccceccccceceeeceeeecaeee cence eeeeceaeaece eres nn nnne rers testen nn nere nr tesi nien nnn 14 Fluke 123 124 Users Manual Freezing the Screener ees erate eec gio ecd ede dul ee ante 16 Holding a Stable Reading 1 12er un hii shiv a Ere ua 16 Making Relative Measurements sese ene eene nennen 17 Selecting Auto Manual Ranges sssseeeeeeeee emm eene ener nennen 18 Changing the Graphic Representation on the Screen sss 18 TrendPlotting a Waveform nisnin e a EA E E nnnm 22 Acquiring the Waveform asserere piiniera daian areeni sadat ierdie taia 23 Triggering on a Waveform eiei iiiu eterne tine dne dn ede dete bra dnd deoa decus 27 Saving and Recalling a Setup and a Screen sss 32 Making Cursor Measurements sssssssseeeeeneeen eene mne nennen nennen nennen 35 Using the 10 1 Probe for High Frequency Measurements esseeee 38 Using Printer a sc P
41. erves the right to invoice Buyer for importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Fluke authorized service center Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that the failure was caused by misuse alteration accident or abnormal condition of operation or handling Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL
42. ies in Optimal Condition To refresh the battery pack do the following 9 Be sure that the test tool is line powered o Es m Open the USER OPTIONS menu Open the BATTERY REFRESH submenu BATTERY REFRESH BATTERY REFRESH HO REFRESH START REFRESH Takes 12 hours Back Lancuace Eat ENTER G amp Highlight START REFRESH o UN Start the refresh cycle Note After start of the refresh cycle the screen will be black The backlight is on during discharging within the refresh cycle 45 Fluke 123 124 Users Manual Replacing and Disposing of the Rechargeable Battery Pack A Warning To avoid electrical shock remove the test leads and probes before replacing the battery pack MAA Ve Bote This instrument contains Ni Cd or Ni MH batteries Do not dispose of this battery pack with other solid waste Used batteries should be disposed of by a qualified recycler or hazardous materials handler Contact your authorized FLUKE Service Center for recycling information To replace the battery pack do the following See Figure 2 2 1 46 Disconnect the test leads and probes both at the source and at the test tool Power the test tool with the Power Adapter This ensures information stored in memories will not be lost Locate the battery access cover on the bottom rear Loosen the screw with a flat blade screwdriver no a R Figure 2 2 Replacing the Battery Pack Lift th
43. ile the former main measurement has moved to the smaller secondary reading position See Figure 1 9 17 Fluke 123 124 Users Manual Selecting Auto Manual Ranges Press aero to automatically adjust the position range time base and triggering This assures a stable display on nearly all waveforms The bottom line shows the range the time base for both inputs and the trigger information Press auro a second time to select the manual range MANUAL appears at the bottom of the reading area Changing the Graphic Representation on the Screen From Auto range you can use the light gray rocker keys to change the graphic representation on the screen manually Changing the Amplitude d Enlarge the waveform m Reduce the waveform Available settings are from 5 mV div to 500 V div when using the test leads Observe that AUTO at the bottom of the reading area disappears to indicate that the continuous Auto Set function is not valid anymore 18 Changing the Time Base Increase the number of periods Q Decrease the number of periods Available settings are from 20 ns div Fluke 123 or 10 ns div Fluke 124 to 5 s div in normal mode Positioning the Waveform on the Screen Considerable flexibility is offered in moving the waveform s around the screen o Em CH Fo 9 Press until you have left any open menu Observe that the following main menu appears on bottom of the screen A aE TRIGGER
44. ing Trigger Parameters 28 Sensitivity 62 Serial Printer 40 Service Manual 49 Shielded Test Leads 50 Shock 70 Single Shot 23 Slope 27 63 Slow Signals 25 Smooth 20 64 Soft Carrying Case 52 Software 52 78 Software Version 49 Specifications 61 Stable Reading 16 Stand 53 STL120 Test Leads 50 Storing 43 SW90W Software 41 52 T Temperature Measurement 66 Temperature Environmental 70 Test Leads 50 Tilt Stand 53 Time 56 Time Base 18 Time Base Accuracy 63 Time Base Ranges 63 Touch Hold function 16 68 Trace Disturbance 72 TrendPlot function 68 TrendPlot Function 22 Trigger 63 Trigger Icons 27 Trigger Level 27 Trigger Parameters 28 Trigger Sensitivity 63 Triggering 27 U Unpacking 2 User Manual 51 Using a Printer 39 Using FlukeView Software 41 V Vertical Accuracy 62 Vertical Cursors 36 Vibration 70 Video Line 31 Video on A 63 Video Signals 29 VP40 Probe 38 W Waveform Area 10 LJ Zero Reference 17
45. ke 123 124 Users Manual Standard Accessories cont Wem 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 50Hz PM8907 801 North America 120V 60Hz wW PM8907 803 United Kingdom 240V 50Hz PM8907 804 Japan 100V 60Hz PM8907 806 Australia 240V 50Hz PM8907 807 Universal 115V 230V Ww PM8907 808 UL listing applies to PM8907 808 with UL listed line plug adapter for North America The 230 V rating of the PM8907 808 is not for use in North America For other countries a line plug adapter complying with the applicable National Requirements must be used Set of two Shielded Test Leads Red and Gray designed for use only 4 STL120 with the Fluke ScopeMeter 120 series test tool Set contains the following replaceable part Ground Lead with Alligator Clip Black 5322 320 11354 50 Maintaining the Test Tool 2 Parts and Accessories Standard Accessories cont tem rderingcode Test Lead for Grounding Black UL Set of two Hook Clips Red and Gray UL One Banana to BNC Adapter Black Supplied with Fluke 123 124 ap Two Banana to BNC Adapters Black Supplied with Fluke 123 S 124 S UN BB120 set of two Getting Started Manual English German French Spanish 4822 872 30711 Getting Started Manual French Spanish Portuguese Italian Dutch Danish Norwegi
46. lope E Perform an AUTO SET For quick operation use the AUTO SET key to automatically trigger on nearly all signals To optimize trigger level and slope manually do the following zu Fa Press until you have left any open menu A aE TRIGGER EID MOVE e Bove SLOPE jd CONTRAST Enable the arrow keys for Trigger Level and Slope adjustment Using The Test Tool Triggering on a Waveform G amp Adiust the Trigger Level continuously Observe the trigger icon on the second time division line indicates the trigger level Ob Trigger on either positive Slope or negative Slope of the chosen waveform An 2UA EM XE irig l A e lt gt TRIGGERS CONTRAST move secs Bitte Figure 1 16 Screen with all Trigger Information 27 Fluke 123 124 Users Manual Selecting the Trigger Parameters To trigger on the input A waveform with automatic screen update and to configure the auto range triggering for waveforms from 1 Hz do the following 28 peur m Open the SCOPE INPUTS menu Open the TRIGGER submenu IHPUT SCREEH Bra AUTO UPDATE RANGE OB WFREERUH gt 15H2 O EXT OOH TRIG O gt 1Hz O VIDEO on fi n ONE PROBES BACK ENTER Highlight Input A Select Input A Highlight FREE RUN Select FREE RUN Highlight gt 1 Hz Fa Accept all trigger selections and return to normal measurement Note
47. no power adapter connected Note Using dimmed display lengthens maximum battery power operation time To change the brightness of the display in Fluke 123 do the following ES Dim the backlight Q E Brighten the backlight again Using The Test Tool Changing Backlight In Fluke 124 do the following Press to get access to the display functions O 5 SeletLiGHT 06 Dim or brighten the backlight The high brightness increases when you connect the power adapter 1 Fluke 123 124 Users Manual Reading the Screen The screen is divided into three areas Reading area Waveform area and Menu area Refer to Figure 1 3 during the following Reading area A Displays the numeric readings Because only input A is on you will see the input A readings only Waveform area B Displays the input A waveform The bottom line displays the ranges div and the power indicator line or battery Because only input A is on you will see the input A waveform only Note When battery powered the battery indicator informs you about the condition of the battery from full to empty W amp WB gt 3 Menu area C Displays the menu that provides choices available through the blue function keys When you change a setup a part of the screen is used to display the choices The area displays one or more menus with choices accessed with the arrow keys eoQt 10 MEASUREMENTS MEASURE on A eA Oom OHz O D
48. nstrument in HOLD Dual Horizontal Lines High Low and Peak Peak Readout Rise or Fall Time Transition Time 0 Level and 100 Level Readout Manual or Auto Leveling Auto Leveling only possible in Single Channel Mode Accuracy As Oscilloscope Accuracy Miscellaneous Display STA E 72 x 72 mm 2 83 x 2 83 in RRESOMULON iieri ain 240 x 240 pixels Waveform Display lum 8 div of 20 pixels Horizontal 1 2 ttc 9 6 div of 25 pixels Backlight Cold Cathode Fluorescent CCFL A Power External via Power Adapter PM8907 Input Voltage eeeeeeeene 10 to 21V DC deg 5W typical Input Connector seeeeee 5 mm jack Fluke 123 Internal Battery Pack BP120 Battery Power Rechargeable Ni Cd 4 8V Operating Time 4 hours with bright backlight 4 25 hours with dimmed backlight Charging Time 5 hours with test tool off 40 hours with test tool on 9 14 hours with refresh cycle Fluke 124 Internal Battery Pack BP130 Battery Power Rechargeable Ni MH 4 8V Operating Time 6 hours with bright backlight 6 30 hours with dimmed backlight Charging Time 7 hours with test tool off 60 hours with test tool on 12 19 hours with refresh cycle Specifications 4 Miscellaneous Allowable ambient temperature during charging 0 to 45 C 32 to 11
49. oes not cover all of the capabilities of the test tool but gives basic examples to show how to use the menus perform basic operations Powering the Test Tool Follow the procedure step 1 to 3 in Figure 1 1 to power the test tool from a standard ac outlet See Chapter 2 for battery power instructions Koy Turn the test tool on The test tool powers up in its last setup configuration Chapter 1 Using The Test Tool Figure 1 1 Powering the Test Tool Fluke 123 124 Users Manual Resetting the Test Tool If you want to restore the test tool settings as delivered from the factory do the following Koy Turn the test tool off Q Press and hold Koy Press and release The test tool turns on and you should hear a double beep indicating the Reset was successful Ea Release Now look at the display you will see a screen that looks like Figure 1 2 The F4 key of Fluke 123 is used to control the contrast in Fluke 124 this key is used to switch the cursors on ODD s 0001 mus See Peers iy eed rei ere Puce rears frat fi 5mUA 10ms EF vis A Q8 TRIGGERS move P soue SLOPE 6 Fluke 123 lt gt TRIGGERS CURSOR Fluke 124 B Our SLOPE e ON Figure 1 2 The Screen After Reset Changing Backlight After power up the screen has a high bright display To save battery power the screen has an economic brightness display when operated on the battery pack
50. onformity 1 Deleting Screens and Setups 34 Dimmed Display 9 Diode 14 59 67 Display 55 69 Disposing Batteries 46 Duty Cycle 66 76 2E Earth Ground 6 Electrical Shock 5 Electrically Floating 6 Electromagnetic Compatibility 1 70 Emission 70 Envelope 64 Envelope of a Waveform 21 Environmental 70 Environmental Data 61 prm Fast Smooth 68 Fixed Decimal Point 68 FlukeView 41 52 Freeze Recording 25 Freezing the Screen 16 Frequency Hz 65 Frequency Response 62 Function Keys 10 c Glitch Detection 63 Graphic Representation 18 Gray Text 28 Grey INPUT B 12 Grid Display 55 ground 6 Ground Test Lead 51 Grounding Problems 59 H Hands free Measurements 16 Hard Carrying Case 52 HC120 Hook Clips 51 High Frequency Measurements 38 Holding a Stable Reading 16 Hook Clips 51 Horizontal Cursors 35 Horizontal Move 63 Humidity 70 Hz 65 Immunity 70 Input A 12 Input B 12 Input Impedance 62 insulated isolated 5 Isolated 6 Isolated Trigger Probe 29 52 Isolated Triggering 29 ITP120 29 52 L Level 27 Maintenance 43 Making Measurements 14 Manual 51 Manual Override 64 Max Floating Voltage 6 62 70 Max Input Voltage 62 70 Maximum MAX Reading 23 Measurement Connections 12 Measurements 14 Mechanical 69 mechanical damage 5 Memory 69 Menu Area 10 Meter A Measurement 14 Meter B Measurement 15 Min
51. rmity is indicated by the symbol C i e Conformit Europ enne Fluke 123 124 Users Manual Unpacking the Test Tool Kit Note When new the rechargeable battery pack is not The following items are included in your test tool kit see fully charged See Chapter 2 Figure 1 Description Fluke 123 Fluke 123 S Fluke 124 Fluke 124 S 3 T Power AdapterBatery Charger e amp Shielded Test Loads wth Black Groundteads e 5 Test Lead Black forGrounding o Sd Hook Cips ed ary gt 7_ Aligator Cis re gray sux o Seting Sarea Marvat su e w comowwmUesMwas o mfe 1 12 Optialy Isolated RS 232 AdeptenCabie Cis Fuevew ScopeMeter Sofware for Windows e m WwCewecme oo 15 10 Votage Probe S 1 1 1 Unpacking the Test Tool Kit Fluke 123 124 Fluke 124 124 S Figure 1 ScopeMeter Test Tool Kit Fluke 123 124 Users Manual Safely Using the Test Tool Attention Carefully read the following safety information before using the test tool Safety Precautions Specific warning and caution statements where they apply will be found throughout the manual A Caution identifies conditions and actions that may damage the test tool A Warning identifies conditions and actions that pose hazard s to the user
52. signals only Modes nnn Lines Line Select Standards PAL NTSC PAL SECAM Polarity 2e ARR Positive Negative Sensitivity oo ees essences 0 6 divisions sync 63 Fluke 123 124 Users Manual 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 Continuous fully automatic adjustment of amplitude time base trigger levels trigger gap and hold off Manual override by user adjustment of amplitude time base or trigger level 64 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 More than one waveform period must be visible on the sceen Input A and Input B DC Voltage VDC Ranges 500 mV 5V 50V 500V 1250V ACCUFaCy iei cote irian 0 5 5 counts Normal Mode Rejection SMR 260 dB 50 or 60 Hz 1 Common Mode Rejection CMRR 2100 dB DC 260 dB 50 60 or 400 Hz Full Scale Reading 5000 counts True RMS Voltages VAC and VAC DC Ranges esee 500 mV 5
53. ssories conforms with the EEC directive 89 336 for EMC immunity as defined by 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 range 10 kHz to 27 MHz 100 mV div to 500 V div 500 mV div to 500 V div Frequency range 27 MHz to 1 GHz 100 mV div to 500 V div 100 mV div to 500 V div Table 2 Disturbance less than 10 of full scale E 3 V m E 10 V m Frequency range 10 kHz to 27 MHz 20 mV div to 50 mV div 100 mV div to 200 mV div Frequency range 27 MHz to 1 GHz 10 mV div to 20 mV div no visible disturbance Test tool ranges not specified in tables 1 and 2 may have a disturbance of more than 10 of full scale 72 Specifications 4 Safety 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 DC 500 mV to 1250V 500 mV to 1250V OHM CONT DIODE 5002 to 30 MQ 500Q to 30 MQ CAP 50 nF to 500 uF 50 nF to 500 uF Frequency range 27 MHz to 1 GHz VDC VAC VAC DC 500 mV to 1250V 500 mV to 1250V OHM CONT DIODE 5002 to 30 MQ 5009 to 30 MQ CAP 50 nF to 500 uF 50 nF to 500 uF Test tool ranges not specified in table 3 may have a disturbance of more than 10 of full scale 73 Fluke 123 124 Users Manual 74
54. the red test lead from red input A to the unknown signal to be measured ES Perform an Auto Set In the next example the screen displays 1 411 in large numbers and 0 103 in smaller numbers A scope trace gives a graphical representation of the waveform The trace identifier A is visible on left of the waveform area The zero icon identifies the ground level of the waveform Using The Test Tool 1 Displaying an Unknown Signal with Connect and View 14110 es PES See PPP eee eee PI Bee IMP IM Az TUA i usa X Trig al A eB e TRIGGERS Move seve SLOPE 6 Figure 1 6 The Screen After an Auto Set 13 Fluke 123 124 Users Manual Making Measurements The reading area displays the numeric readings of the chosen measurements on the waveform that is applied to the input jack First connect the red shielded test lead from input A and the gray shielded test lead from input B to the signals to be measured Connect the short ground leads to the same ground potential See Figure 1 7 Note For Ohm 4 continuity diode and capacitance measurements use the red shielded test lead from input A and the black unshielded ground lead from COM common See Figure 1 7 To choose a frequency measurement for Input A do the following Open the INPUT A menu MEASUREMENTS ERSURE on A Hri ft COMTI DIODE CAPs
55. the test tool See Figure 1 24 For all information relating to installing and using the FlukeView ScopeMeter software see the SW90W Users Manual A Software amp Cable Carrying Case Kit is optional available as model number SCC 120 41 Fluke 123 124 Users Manual Figure 1 24 Connecting a Computer 42 About this Chapter This chapter covers basic maintenance procedures that can be performed by the user For complete service disassembly repair and calibration information see the Service Manual You will find the part number of the Service Manual in the section Parts and Accessories in this manual Chapter 2 Maintaining the Test Tool Cleaning the Test Tool Clean the test tool with a damp cloth and a mild soap to avoid abrasion of text on the test tool Do not use abrasives solvents or alcohol Storing the Test Tool If you are storing the test tool for an extended period of time charge the rechargeable battery pack before storing It is not necessary to remove the battery pack 43 Fluke 123 124 Users Manual Charging the Rechargeable Battery Pack At delivery the batteries may be empty and must be charged test tool is off to fill them completely Charging time is 5 hours for Fluke 123 Ni Cd battery and 7 hours for Fluke 124 Ni MH battery When fully charged the batteries typically provide 4 hours of use in Fluke 123 and 6 hours in Fluke 124 at full brightness Operating time is extended
56. tion Errors seeee 60 Battery Testing of Fluke Accessories ssssseeeee emm nemen 60 Specifications m 61 lalireelireie E 61 Dual INput OSCIIOSCOPE ep ES 62 Dualilnput Me te m 65 Cursor readout Fluke 124 5 sceecca sets teccuensaccesseedestenavsctecendabeteaguarsesanaacateatvedserpera foes 68 ISIeZIEN Pr 69 Ziel 70 RIT C E P 70 iii Fluke 123 124 Users Manual 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 Compatibility Directive 89 336 EEC Low Voltage Directive 73 23 EEC Declaration of Conformity Sample tests Standards used EN 61010 1 1993 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN 50081 1 1992 Electromagnetic Compatibility Generic Emission Standard EN55022 and EN60555 2 EN 50082 2 1992 Electromagnetic Compatibility Generic Immunity Standard IEC1000 4 2 3 4 5 The tests have been performed ina typical configuration This Confo
57. to step through a menu without changing the setup of the test tool 11 Fluke 123 124 Users Manual Looking at the Measurement Connections Look at the top of the test tool The test tool provides two 4 mm safety shielded banana jack inputs red input A and gray 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 for all single input measurements possible with the test tool Input B For measurements on two different signals you can use the gray input B together with the red input A COM You can use the black COMmon as single ground for low frequency measurements and for Continuity Ohm Q Diode and Capacitance measurements Z Warning To avoid electrical shock or fire use only one COM common connection or ensure that all connections to COM are at the same potential 12 JE A WARNING gt ALLINPUTS 600V CAT Ht BISK OF SHOCK OF FIRE SEE WARNING ON REAR __ Figure 1 5 Measurement Connections Displaying an Unknown Signal with Connect and View The Connect and View function enables hands off operation to display complex unknown signals This function optimizes the position range time base and triggering and assures a stable display on nearly all waveforms If the signal changes the setup will track these changes To enable the Connect and View function do the following Connect
58. uring Video Signals Triggering on a Specific Video Line To view a specific video line in more detail you can select the line number To measure on a selected video line continue from point of the previous example as follows S gt Highlight SELECT SVSTEH LIHE POLARITY mmn ORANDOM W POSITIVE LU HTSE W SELECT OHEGATIVE O P Lplus ENTER O SECAM Fa Select SELECT QO Highlight POSITIVE Fa Accept the video trigger selections Using The Test Tool Triggering on a Waveform Pressing EN selects the line number function To choose line 135 do the following LN Enable video line selection CG gt Select number 135 31 Fluke 123 124 Users Manual Saving and Recalling a Setup and a Screen You can save Screens and Setups to memory and recall them again for later use Fluke 123 has 10 memories while Fluke 124 has 20 memories In each memory you can save a screen and the related settings Saving Screens with Belonging Setups To save a screen and setups in e g memory location 7 do the following E Open the SAVE PRINT menu SAVE PRINT captured screen 42 SCREEH SETUP DATA SAVE RECALL DELETE PRINTER PRINT DELETE SETUP SCREEH alt ENTER Observe that SAVE is already highlighted and that the screen is frozen until you leave the SAVE PRINT menu again Open the SAVE submenu 32
59. wing Highlight ENVELOPE o zzmd b The screen shows the resultant envelope in a gray waveform See Figure 1 12 Start monitoring the envelope of the waveform You can use ENVELOPE to observe variations in time or amplitude of input waveforms over a longer period of time Using The Test Tool 1 Changing the Graphic Representation on the Screen BRNIE Az 3 Vi i ns 4 xr Trig al A 8 s TRIGGERS CONTRAST MOVE al BOoUr IRM gt Figure 1 12 Displaying the Envelope of a Waveform 21 Fluke 123 124 Users Manual TrendPlotting a Waveform The TrendPlot function plots the digital readings as a function of time Date and time stamp shows the time of the most recent change in a MIN or MAX reading Starting a TrendPlot function VHzA Open the INPUT A menu Fo Start TRENDPLOT The test tool records the minimum MIN reading as the main upper displayed measurement of input A The date and time stamp appear below the MIN reading See Figure 1 13 The test tool also continuously logs all readings to memory and displays these as graphs Automatic vertical scaling and horizontal time compression resizes the TrendPlot to fit on the screen The TrendPlot is built up on the screen from left to right until the screen is full The automatic time scaling then compresses this information to about half the screen 22 0001 nin 0843u 32 03 02 47 09 dm i 4m A i2 03 02
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