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Series OPERATING MANUAL

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1. FFT Source Windows Picture 6 30 FFT operation Set as following table 75 Table 6 19 Function menu Set Instruction On Open close FFT FFT Off operation function Source Select information source A involved in operation when it is dual channel i model Hanning Set Hanning window function Hamming Set Hanning window function ONG Blackman Set Blaclman window function Rectangle Set Blaclman window function Vrms Set vertical coordinate unit Vert Scal dBVrms as linear or vdb 76 FFT frequency analysis Use FFT fast Fourier transform mathematic operation to transform time domain signal into frequency domain signal It is convenient to observe the following types of signals by using FFT UTD1000L User Manual Measure harmonic content and distortion Indicate noise property in DC power Analyze vibration FFT operation techniques As signal containing DC component or bias will result in mistakes or bias in FFT waveform components in order to reduce DC components you can select AC coupling For reducing random noise and aliased frequency components in the repeat or single pulse event you can set oscilloscope s acquisition mode as average Select FFT window Suppose YT waveform is repeating continuously oscilloscope takes FFT transformation of the time record with limit length When the period is an integral ampliltude value of YT w
2. 0c cece eee e ee 28 Select AC Coupling 0 cece cece tne ene en ree 29 Reverse Polarity of the Displayed Waveform 29 Automatic Setting for Small Signal with DC Bias 30 Chapter V Use Multimeter lsssssesees III 32 Connect Apparatus 0 cece cence e 32 Interface Indication Instruction 00 e eee cee eee 32 Multimeter Measurement 0 0 00 cece cece eee ees 33 Measure Resistance Valu 0 c cece cece eee teeta 33 Measure DIO Gs onto hind atis t o dong odd cue ela eb RR xus 34 Continuity Test cet recedet eee E panes 34 Measure Capacitance iles 35 UTD1000L User Manual UTD1000L User Manual Item Page Measure DC Voltage 36 Measure AC Voltage 0 ee eee 36 Measure DC Current 0 0 cece e eee n eee tenet n eens 37 M asure AU GUITBPIC oe cox ua ket eder Et ER e bte Eph n ie ae 39 Hold Measurement Value ssssssssss e 41 Relative Measurement 6 5 0 cece e tee eee eeee 41 Select Automatic Manual Range Adjustment 42 Chapter VI Details about Using Oscilloscope 0 0 eee 43 Vertical System Setting sessie sore drase e cee ene eens 43 Horizontal Sysmem Setting 0 ccc cece eee een eens 46 Trigger System Setting esses 49 Collection Mode Setting 0 esses 57 Display Set ccs et Rte RR eR eR Re Reha 5
3. 1 Press key SINGLE the oscilloscope shall be set as single trigger mode quickly 23 24 ET eiririrar aga rar rrr rr gg DC A 20 00mv Picture 4 14 Single Trigger Check Oscilloscope Status To conduct online help under the following steps 1 Press key SHIFT to show character shift on the right corner of screen 2 Press key STATUS and the present setting status of oscilloscope shall appear on the screen 3 Reapeat step 1 and 2 to close help status information UTD1000L User Manual Notes press key AUTO the status information shall close automatically Probe Channel T Coupling Disp ave Picture 4 15 Status Information UTD1000L User Manual Check Oscilloscope System Information To check oscilloscope system information under the following steps 1 Press key SHIFT to show character shift on the right corner of screen 2 Press key CONFIGURE to open interface configuration menu 3 Press key F4 the screen shall display informations such as type versionof the present oscilloscope 4 Press key F1ito close system information window Language Menu Display Picture 4 16 System Information Automatic Parameter Measurement There are two ways of automatic parameter measurement showing all parameters or individually set measured parameter to display on screen with maximum of 4 parameter item
4. hardware version software version etc UTD1000L User Manual Auxiliary Function Set To set oscilloscope display interface under the following steps 1 Press key SHIFT and character shift will appear on the right upper corner of screen 2 Press key UTILITY functino set menu Set as follows to enter into auxiliary Table 6 18 Function menu Set Instruction Self Cal Implement system self Adjust Oscilloscope back to Detautrec 7 A factory set status On Open close trigger Cymometer Off frequency count Delete data information Erase Data ______ saved in the apparatus such as waveform set etc UTD1000L User Manual Major instructions Self correction it can correct oscilloscope produced measurement error resulted by environmental changes you can operate the program based on need For more accurate calibration please power on oscilloscope and wait preheat 20 minutes Full automatic set the oscilloscope shall adjust apparatus gear automatically with the changes of input signal and display the waveform in the fittest form without manual intervention Mathematic Operation Function Mathematic operation function is used to display operation results of channel waveform FFT To conduct mathematic operation under the following steps 1 Press key MATH to open mathematic operation menu 2 Press key F1 to select FFT operation as open
5. Location 1 Press key RECORD to enter into waveform recording menu 2 Press key F1 to select menu function as record 3 Press key F4 to start recording and press key F3 to stop Save recorded files into inner memory of the machine Save Callbacke recorded files Load mS saved into inner memory and playback it Notes recorded files saved into the machine could be output to computer by host computer and played in it For example it is required to record waveform of channel and save the file into inner memory 4 Press key F1 to select menu function as store 5 Press key to adjust address as 1 6 Press key F3 to store recorded waveform and screen shall display saving await saving indicator to disappear the waveform shall be stored into inner memory of the machnine Notes oscilloscope can record at most 300 Screens of waveform data and during recording if the following operations are conducted the record shall stop E Change horizontal position of signal under stop status 67 68 For example itis required to callbacke waveform recorded file that saved into inner memory in the example 1 to oscilloscope and playback 1 Press key RECORD record menu 2 Press key F1 to enter into waveform to select menu function as store 3 Press left rig ht key to adju
6. Don t operate if there is any suspected trouble please let the qualified maitainence personnel to check the product suspected being damaded Please don t operate in the moist anbient Please don t operate in the explosive anbient Keep product suface clean and dry Chapte II Brief Instroduction of the UTD1025CL Portable Digital Storage Oscilloscope Brief Instroduction of the UTD1025CL Portable Digital Storage Oscilloscope The UTD1025CL series of digital storage oscilloscope referred hereinafter as oscilloscope are a perfect combination of usability uniquie technical index and multipurpose helping users completing test more quickly The manual concludes the following types Sampling Channel Type Bandwidth Velocity count UTD1000L User Manual The UTD1025CL series of digital storage oscilloscope provides a simple and functionally clear front panel enabling to conduct all basic operations meeting the use habit of traditional instrument and enabling the user to operate it proficiently without taking much time to learn and be familiar with operation of the digital storage oscilloscope In order to speed up the adjustment for measuring the user can press directly the button AUTO and then the instrument shall show the proper waveform and the gear setting Apart from the usability UTD1025CL series of digital storage oscilloscope possess high efficiency index and powerful functions required for quick
7. To callback waveform under the following steps 1 Press key SHIFT and character shift will appear on the right upper corner of screen 2 Press key to enter into cursor set menu 3 Press key F3 to select cursor measurement type There are two cursor measurement types in cursor measurement menu voltage and time In measuring voltage you can use key SELECT on board and up down left right key to adjust cursor position respectively it means to measure AV if select time you can measure At Voltage time measurement method when cursor 1or 2 appear at the same time adjust cursor position with the up down left right key and press key SELECT to select cursor Reading displayed shall be voltage or time value between the two cursors If cursor function is open measurement value shall appear automatically on the left upper corner of screen Off Time Amplitude Time Picture 6 28 Time Cursor Measurement Menu 71 72 Table 6 15 Function menu Set Instruction Types Time Cursor used to measure time Independent To shift any one of two Modes cursors independently Tracking To shift two cursors concurrently maintaining At Measurement parameter is Cursor Units Second time Z Measurement parameter is frequency Channel To select shift target as channel waveform Trigger To select shift target as Function switch trigger
8. menu Press key SHIFT and press it again you can open the HELP help information SHIFT key to select functions in combination with other function keys Time base used to change scanning velocity Scanning velocity of the apparatus is 50s div 10ns div with 1 2 5 system Press S the scanning velocity shall slower down a gear relatively or speeded up Vertical scale used to change vertical scale gear Scale scope of the apparatus is 5mV div 20V div with 1 2 5 system Press V a vertical scale shall be relatively increased or reduced UTD1000L User Manual Press V a vertical scale shall be relatively increased or reduced Selection key the selection for switching channel vertical shift and trigger level shift under normal conditions If vertical shift have been selected the vertical reference triangle cursor on the screen shall be solid and you can move vertical position on the screen of the waveform by adjusting the up down keys If press the key SELECT again the vertical triangle cursor of trigger level position shall be solid and you can change the trigger position by adjusting thelup down keys In the MEASURE menu the key used to confirm the selected Customization parameter switch cursor 1 and cursor 2 under the cursor measurement to hide display the present menu bar under normal circumstances under the multimeter DMM mode the keys are used to confir
9. 1 Check if probe is in normal connection with signal connection line 2 Check if signal connection line is in normal connection with BNC channel connector 3 Check if probe is in normal connection with object being measured 4 Check if any signal produced by the object being measured to confirm the problem by connecting channel with signal with the problematic channel 5 Restart collecting signal once Unstable Waveform Display 1 Check the trigger source set in trigger menu to confirm if it is consistent with channel input by real signal 19 80 2 Check trigger type the common signal shall use edge trigger mode and vedio signal vedio trigger mode Waveform will display stably only with correct trigger mode 3 Try to change trigger coupling into high frequency restriction remove high frequency noise that interferes trigger without Display after Pressing Key RUN STOP 1 Check if trigger method in trigger menu is at the normal or single gear and if trigger level exceeds waveform scope lf so center trigger level or set trigger method as automatic gear 2 Press key to complete above settings automatically UTD1000L User Manual After Select Opening Average Acquisition Method Time Display Speed Slows Down 1 Generally it is normal to slow down when average frequency is over 32 2 Reduce average frequency Waveform Displays in Echelonment 1 It is normal and probably caused by low horizontal time b
10. Callback Set as shown in the following table Table 6 14 Function menu Set Instruction Ref Wave REF A Select callback route Location 1 20 Select callback position with the right left key ead ER mplement the former selected operations Close and callback to Close 2 reference waveform on screen UTD1000L User Manual For example it is required to save channel waveform into oscilloscope and callback Waveform storage 1 Press key SHIFT and character shift will appear on the right upper corner of screen 2 Press key STORAGE to enter into waveform storage setting menu 3 Press key F1 to select storage type as waveform 4 Press left right key to select storage position as 1 5 Press key F3 to save storage success indicated on screen means save successful and waveform shall be stored into oscilloscope Waveform callback 6 Press key SHIFT and character shift will appear on the right upper corner of screen 7 Press key REF to enter into reference waveform callback set menu UTD1000L User Manual 8 Press left right key to select storage position as 1 9 Press key F3 to callback Load Success indicated on screen means callback successful and waveform shall appear on screen 10 Press key F4 to close reference waveform Cursor Measurement
11. MATH mathematic operation menu Press key SHIFT and press it again you can open the STATUS status bar display WWE RECORD STORAGE key under the oscilloscope mode press the key to enter into RECORD waveform record menu Press key SHIFT and press it again you can open the STORAGE storage menu SINGLE REF key under the oscilloscope mode press the key to set SINGLE single trigger function Press key SHIFT and press it again you can backto the REF waveform reference menu PE AUTO key under the oscilloscope mode press the key to complete waveform automatic setting Press key SHIFT and press it again you can open full automatic setting function under which the oscilloscope shall adjust apparatus gear automatically with the changes of input signal and display the waveform in the fittest form without manual intervention RUNSTOP RUN STOP key under the oscilloscope mode press the key to start or stop data collecting under the multimeter DMM mode press the key to hold screen measurement reading 893 UTILITY TRIGGER key under the oscilloscope mode press the key to enter the UTD1000L User Manual TRIGGER trigger setting menu Press key SHIFT and press it again you can enter into the UTILITY auxiliary function menu 1 549 HORIZONTAL HELP key under the oscilloscope mode press the key to enter the HORIZONTAL horizontal setting
12. damage to the accessory in reference to the manual If any lack or damage of accessories were found please contact UNI T distributor selling the product UTD1000L User Manual or the local office of UNI T Check the Complete Apparatus If any damage of accessory surface or failure to work or to pass the function test were found please contact with the UNI T distributor or the local representative office of UNI T If any damage were found please keep the package and contact with the transportation department and the uni t distributor that sells the product UNI T shall arrange for the maintenance or replacement Oscilloscope Connection Oscilloscope Connection The oscilloscope connection is referred to the picture 3 1 Picture 3 1 Oscilloscope Interface Instructions 1 Oscilloscope channel input port 2 USB connection port 3 Adapter interface used for AC power supply and battery charging 4 Probe compensation signal output port 5 Multimeter input socket 3 circular banana Sockets are input ports for voltabe resistance current and COM port 7 UTD1000L User Manual Compensation Signal Output Connection of the Oscilloscope panels and keys Apparatus Panels and keys of oscilloscope are shown in As shown in the following picture a the picture 3 3 compensation signal 1kHz 3V output port on the Left side of the apparatus could be used to adjust the probe Picture 3 2 Compensation Signal Output Pi
13. in combination with 10 x probe USB isolated communication provides safer USB communication Q Transition from color display to B W display is applicable in the strong outdoor light Smart upgradation function user can upgrade software by local or network Unique waveform recording storage and playback function Color liquid crystal display with high resolution and high contrast No less than 8 hours of continuous work Automatically measure 19 types of waveform parameters Screen printing function Help information display both in Chinese and English Multimeter e 33 4 bit Voltage current resistance diode capacitance and conductive measurement Current measurement up to 10A Extremely low current measurement internal resistance precise measurement results Mutual isolation between multimeter and osilloscope UTD1000L User Manual Chapter Ill Oscilloscope Connection How to Conduct General Check Please check the new oscilloscope under the following steps if you have one Check If Any Damage Resulted By Transportation If any serious damage of the package carton or plastic foam protective mat were found please contact with the Uni T distributor or local Uni T representative office immediately Check Accessory As regards to the provided accessory details the above mentioned UTD1025CL Oscilloscopes Accessory in the manual has clearly stated it You can check it if there is any
14. into the full automatic setting the following setting shall be compulsory 1 Under the non main time base status it shall switch to main time base status 2 The channel coupling shall switch to AC coupling which is unchangeable 3 To modify vertical scale coefficient of oscilloscope horizontal time base change vertical and horizontal position of oscilloscope the apparatus shall exit full automatic setting mode automatically UTD1000L User Manual Stop Restore Data Collection To operate under the following steps to stop data collection 1 Press key RUN STOP the oscilloscope shall STOP data collection and trigger status on the upper part of screen shall display STOP 2 Press key RUN STOP to restore data collection and the oscilloscope shall restart collecting data On Coupling DispWave Off Invert Picture 4 10 Stop Data Collection Trigger Frequency Count Setting To operate under the following steps to open the trigger frequency count SHIFT character shift shall appear on the right corner of screen UTILITY ito show auxiliary function 1 Press key 2 Press key menu 3 Press key as open F3 to select frequency count function Erase Data Cymometer Picture 4 11 Trigger Frequency Count Screen Brightness Adjustment To operate under the following steps to adjust screen brightness 1 Press key SHI
15. level Cursor To select shift target as measuring cursor and press key SELECT to switch cursor 1 and 2 Type UTD1000L User Manual Freq 1 00699kHz Position 0 03div Mo Fun h Picture 6 29 Voltage Cursor Measurement Menu UTD1000L User Manual Table 6 16 Function menu Set Instruction Types Amplitude Cursor used to measure voltage Independent To shift any one of two Modes cursors independently Tracking To shift two cursors concurrently maintaining At Channel To select shift target as channel waveform Trigger To select shift target as Function switch trigger level Cursor To select shift target as measuring cursor and press key SELECT to switch cursor 1 and 2 Interface Set To set oscilloscope display interface under the following steps 1 Press key SHIFT and character shift will appear on the right upper corner of screen 2 Press key CONFIGURE to enter into interface set menu 73 74 Table 6 17 Function menu Set Instruction Chinese Select menu language Language types English Classic traditional Skin modern and Select display style black white Set awaited close time for menu box 5s 10s 20s Menu display OL and manul The last one can not close automatically and need to press key OK to close or open Display informations such Version as oscilloscope types
16. measurement There are 19 types of measurement parameters and generally user just need to measure some of them and set as customization parameter instead of all All customization parameters shall appear on screen 63 64 Preshoot Picture 6 20 Voltage Parameter Measurement Voltage parameters that oscilloscope can automatically measure include Maximum value Vmax Voltage value from waveform highest point to GND ground Minimum value Vmin Voltage value from waveform lowest point to GND ground Top value Vtop Voltage value from waveform top to GND ground UTD1000L User Manual Base value Vbase voltage value from waveform base to GND ground Middle value Vmid half of amplitude value Peak peak value Vpp voltage value from waveform highest point to the lowest point Amplitude value Vamp voltage value from waveform top to bottom Overshoot ratio of difference between waveform maximum value and top value with amplitude value Preshoot ratio of difference between waveform minimum value and bottom value with amplitude Average value average amplitude of signal during a period Root mean square value the valid value It means the converted energy of AC signal in a period is corresponding to the DC voltage that produces equivalent energy UTD1000L User Manual RiseTime FallTime 1 Fog I Width s4 Width i I l Picture 6 21 Time Parameter Measurement T
17. menu the sector could be used to shift horizontal extension part left right by adjusting right left key and increase or reduce the selection area by the key s ns The lower half part is the waveform after horizontal extension of the selected original sector It is noteworthy that resolution of the extension time base 48 has improved compared with main time base as shown in picture 6 5 As waveform displayed by the whole lower half part is corresponding to the upper half part sector it is able to improve extension time base by adjusting key s ns to reduce selected area thus increasing horizontal extension times of waveform Trigger Holdoff Time Adjustment In the horizontal setting menu and display status of menu press lleft right key to adjust holdoff time 100ns 1 5s Use trigger holdoff time adjustment to observe complet waveform ex pulse serial Holdoff time is to adjust the data collection period of oscilloscope integral multiple of and sychoronous to the period of complex waveform being measured For example the signal being measured is a combination wave signal imposed on the channel CH1 Press key HORIZONTAL to open horizontal setting menu and press key left right to adjust holdoff time the trigger holdoff time shall UTD1000L User Manual vary with it till the waveform display is stable as shown in the following picture DM
18. or speed up Notes minimum time base gear shall vary with types UTD1000L User Manual Horizontal Shift of Waveform Press key left right to adjust pretrigger depth The trigger position generally is set at the screen horizontal center and you can see the 6 div pretrigger and delay information Through adjusting waveform horizontal position you can see more pretrigger information and based on the observed pretrigger data to see the waveform status prior to trigger For example if capture the glitch produced during the circuit start time to find the reason by observing and analizing pretrigger data Press key HORIZONTAL to open horizontal setting menu as shown in the following picture UTD1000L User Manual Freqi1000kHz Position 0 0div DG 4 DOmY Picture 6 4 Horizontal Setting Menu There are two function options in the horizontal setting menu window extension and trigger holdoff Window Extension Function In the horizontal setting menu press key F1 to open window extension function to amplify a sector of waveform checking the picture details Window extension setting shall not be slower than the main time base setting TRIGED Freq 1 000kHz Cy 4DOmV Picture 6 5 Screen Display after Window Extension Two display sector in the window extension function as shown in the above picture The upper part displays the original waveform after pressing the key OK to hide
19. other property Terms on the product The following terms might be on the product Danger it means reading the symbol might be harmful to you immediately Warning it means reading the symbol Notes it means damage might be caused to the product or other property Symbols on the product The following symbols might be on the product A AN High voltage Please pay attention Measurement of to the Manual the ground port General Safety Overview The apparatus is strictly designed and produced under the GB4793 Safety Requirements for Electronic Measuring Apparatus and IEC61010 1Safety Standard The apparatus meets the over voltage standard CATIII 600V and safety standards for pollution level Il Please read the following safety prevention measures to prevent personal injury and any damage to the product or other products connected with the product To avoid any possible danger the product shall be applicable in the stitulated Scope and be repaired by the specially trained personnel Warning to prevent electric shocking or fire please use the dedicated adapter approved to apply in the country Warning if the oscilloscope input port were connected with the voltage higher than 42 V 30 UTD1000L User Manual Vrms to avoid electric shocking please Touse the voltage probe test lead wire and adapter with certain insulation attached with the oscilloscope or use the accessories designated by UNI T applicable to oscillo
20. 0L User Manual Automatic Set It is used to simplify operation Press key the oscilloscope will adjust vertival bias coefficient and horizontal time base gear based on the amplitude and frequency of waveform automatically and will display stable waveform on screen The system automatic set are as following Table 6 21 Function menu Set Acquisition mode Normal acquisition Display format YT s div Adjust according to signal frequency v div Adjust according to signal amplitude Trigger mode Edge Trigger level Signal midpoint Trigger coupling DC Trigger slope Rise Trigger type Automatic UTD1000L User Manual Chapter VII Troubleshooting Oscilloscope Fails To Start Battery electricy might be depleted Supply power for oscilloscope with the adapter and try to open oscilloscope If it fails to start again please contact with UNI T and we will serve you Oscilloscope Shuts Down Several Seconds after Start Battery electricy might be depleted Check the battery electricity symbol on the right upper part of screen If symbol indicates battery is depleting charge it The Measured Voltage Amplitude Value Is 10 Times Higher Or Lower Than Real Value Check if channel attenuation coefficient meets with attenuation multiplying power of the probe being used After Signal Collection Signal Waveform Fails To Appear In Picture Please Operate Under The Following Steps
21. 8 Parameter Measurement Setting eese 60 Storage and Record 00 cece cette tenes 65 Record FUNCUOM sc uus e iain Salts ea dee fuses ge Wome a donee 65 Storage Function ossi sed de inoi Beh i ags TREE Impe 68 Item Page Callback Function e zeseerpbiek RU Rhe RR E REC EREA 69 Cursor Measurement 0 ees 71 Interface Set occ cad n E e DER RE ha er AW DRE 73 Auxiliary Function Set 74 Mathematic Operation Function liisliiee eise sssssl 15 Automatic Set de ie dde RES CURL Ee eer DUE Reads 78 Chapter VII Troubleshooting 0 0 0 eee ee eee 79 Chater VIII Service and SUDDOLFL c a duis bi eO a C na eder acea 81 Product Program Upgradation 0 ccc eee eee eee ee 81 Preparations before Upgradation cece eee eee ee 81 Program Upgradation Conditions lees esses 81 Program Upgradation ssssssseseeee eee 81 Chapter IX Appendix mn 84 Appendix A Performance Index eese 84 Appendix B Maintenance and Cleaning 92 UTD1000L User Manual UTD1000L User Manual Chapterl Safety Information Safety Terms and Symbol Terms in the manual The following terms might be in the manual Warning warning statement indicates the conditions and activities that might endander life Notes noting statement indicates the conditions and activities that might cause damage to the product and
22. BLACK Syg hieleleis Series OPERATING MANUAL Handheld Digital Storage Oscilloscope Preface Dear users Hello Thanks for you choosing the brand new UNI T device In order to use the instrument correctly please read the manual thoroughly and especially the Safety Notes part before using the device If you have read through the manul you are recommended to keep the menu properly with the instrument together or at the place you can read anytime in order to read itin the process of future use UTD1000L User Manual Contents Item Page General safety Overview Preface Chapterl Safety Information sees 1 Chapte II Brief Instroduction of the UTD1025CL Portable Digital Storage Oscilloscope 6 teen teen eens 4 UTD1025CL Oscilloscope Components 0 eee 5 Features of UTD1025CL Oscilloscope 0 eee ee 5 Chapter III Oscilloscope Connection esses 6 How to Conduct General Check 0 0 cece eee eee 6 Check If Any Damage Resulted By Transportation 6 Check Accessory ocssesasasea xt eed re arent rad arid 6 Check the Complete Apparatus lisssssll ss cece eee ee 7 Oscilloscope Connection 0 6 esses 7 Compensation Signal Output Connection of the Apparatus 8 Oscilloscope panels and keyS 000 0 esses 8 Chapter IV Primary Application of Oscilloscope 065 12 Connect Appat
23. C TRIGED Freq 32 8129KH BC AQ8 80gV Picture 6 6 Trigger Holdoff Notes 1 Trigger holdoff time only be adjusted under the menu display status 2 Holdoff time is generally slightly shorter than big period time In observing the signal of RS232 communication the holdoff time is frame is slightly shorter than the start edge time of each frame data it is easy to get stable synchronization UTD1000L User Manual Trigger System Setting Trigger decides when to start collecting data and displaying waveform for oscilloscope If trigger has been set correctly it shall transform the unstable display into meaningful waveform In collecting data the oscilloscope shall collect enough data to draw wavefrom on the left of trigger point In waiting for the occurrence of trigger conditions it shall collect enough data countinously to draw wavefrom on the right of trigger point The trigger function of oscilloscope could be set by the trigger function key TRIGGER TRIGGER Key for trigger function setting menu Trigger level used to set the signal voltage relative to trigger point Press key TRIGGER to open trigger menu as shown in the following picture and press key F1 to switch trigger types TRIGED Freq 1 000kHz Position 0 07div Picture 6 7 Trigger Function Menus Trigger control Four trigger modes edge vedio pluse width and slope different function menu for each trigger a
24. FT to show character shift on the right corner of screen 2 Press key ACQUIRE 3 Press key F1 Notes press key to show backlight menu to opern backlight adjustment box 4 Press right left key to adjust backlight brightness to the proper value 5 Press key to close the backlight adjustment box AUTO the backlight adjustment box shall close automatically UTD1000L User Manual BackLight Picture 4 12 Backlight brightness Adjustment UTD1000L User Manual Store Bitmap To store bitmap under the following steps 1 Press key SHIFT to show character shift on the right corner of screen 2 Press key OK to store bitmap into the inner memory of the apparatus Notes to output bitmap into computer by the home computer software and to store it in the BMP format it is allowed to store 10 groups of bitmap Online Help To conduct online help under the following steps 1 Press key SSHIFT to show character shift on the right corner of screen 2 Press key HELP to open help function and character H shall appear on the upper part of screen indicating the help function has started 3 Press corresponding menu keys to see detailed help information 4 Reapeat step 1 and 2 to close help function Picture 4 13 Help System Set Single Trigger To conduct single trigger setting quickly under the following steps
25. LELE Picture 4 1 Instruction Picture of Display Interface Apart from the waveform the display will display some detailed information about waveform and oscilloscope control setting 1 The trigger source status display is as follows CH1 represents adjusting the channel waveform REF represents adjusting the reference waveform UTD1000L User Manual FFT represents adjusting the FFT operation waveform 2 Trigger coupling mode display are as follows AC trigger coupling mode DC trigger coupling mode HF high frequency trigger coupling mode 3 Reading indicates the edge trigger level position 4 Trigger status display are as follows ARMED oscilloscope is collecting pretrigger data under the status all triggers would be neglected READY oscilloscope had collected all pretrigger data and is ready to accept trigger TRIG ED oscilloscope had found a trigger and is collecting the data after triggered STOP oscilloscope ceased collecting waveform data AUTO oscilloscope is under automatic mode and collecting waveform under the non trigger status SCAN oscilloscope collects and displays waveform continuously under the scanning mode 5 Display time reading of trigger point to the center scale 6 Symbols indicate power supply modes as follows Battery power supply used by oscilloscope xF DC adapter power supply used by oscilloscope 7 Symbols on the screen indicate ground baseline 8 1Xsymbol indicates the channel pr
26. Range Accuracy UA 1 2 5 character mA t 1964 5 character 10A use UT MO7 10A 1 5 5 character CURRENT DIVIDER AC voltage Input impedance 10MO Maximum input voltage AC 400V valid value Frequency scope 40Hz to 400Hz Display sine wave valid value AC current Maximum input DC current AC 10A valid value Frequency scope 40Hz to 400Hz Range Accuracy 400 0mV 4 000V 1 2 5 character 40 00V 400 0V Range Accuracy uA 2 5 character mA 1 5 5 character 10A use UT MO7 10A 2 5 5 character CURRENT DIVIDER 89 Resistance Range Accuracy 400 00 4 000kQ 40 00kQ 400 0kQ 4 000MO 40 00MQ Capacitance Range 51 20nF 512 0nF 5 120uF 51 20uF 100ygF 1 2 5 character 1 5 5 character Accuracy x 3964 5 character 90 Diode Voltage reading 0 V to 1 5 V Continuity test Circuit interruption resistance value is set as 75Q buzzer remain silent Good circuit connection on resistance value is 3100 buzzer sounds continuously Display Display types 3 5inch TFT crystal display Display resolution display 320 horizontal x RGB X 240 vertical picture element Display color Color black amp white Waveform display area Horizontal 12 grids 25dot div vertically 8 grids 25dot div Ba
27. al measurement socket and then insert the table pen with the 10A CURRENT DIVIDER 4 Connect the red and blace table pen with the measured point and the screen shall display the DC current value of the measured point Warning in measuring current higher than 400mA the fuse in the machine shall be blown if plug in pA mA port directly without using 10A CURRENT DIVIDER please replace the fuse by the special personnel Picture 5 9 Measurement of DC Current Higher Than 400mA UTD1000L User Manual Measure AC Current To measure AC current lower than 400mA under To measure AC current lower than 4mA under the the following steps following steps 1 Press key ljand the menu shall display 1 Press key l and the menu shall display measurement type AC current measurement type AC current measurement 2 Press key F3 to set range as mA and the unit pA to select different range pA mA A with measurement unit shall be mA the key F3 the fault range is pA 3 Insert blace table pen into COM banana 2 Insert blace table pen into COM banana Socket input port and red one into uA mA banana socket input port and red one into pA mA 4 Connect the red and blace table pen with the banana socket input port measured point and the screen shall display the 3 Connect the red and blace table pen with the AC current value of the measured point measured point and the screen shall display the AC
28. all collect waveform under normal trigger mode only trigger conditions have been met When there is no trigger signal it stops collecting data and awaits trigger While there is trigger signal it shall produce trigger scan B Single trigger under the single trigger mode press operation key once oscilloscope shall await trigger and when detecting a trigger it shall collect and display the collected waveforms then stop it 3 Trigger coupling it decides which components of signal will be transmitted to trigger circuit Coupling types include DC AC and high frequency restriction E DC pass all components of signal UTD1000L User Manual E AC stop DC component and attenuate signal lower than 10HZ B High frequency restriction attenuate high frequency components over 80kHz 4 pretrigger delay trigger data collected before after trigger event Generally trigger is set at the horizontal center of screen you can observe 6div pretrigger and delay information You can adjust horizontal position of waveform to see more pretrigger information by observing pretrigger data to see waveform before trigger For example if capturing glitch when the circuit is power on we can find the reason of occurrence of glitch by observing and analyzing pretrigger data Collection Mode Setting Press key ACQUIRE to enter into collection mode menu as shown in the following table Table 6 8 Funct
29. ase gear and could be improved by increasing horizontal time base to improve horizontal resolution 2 Probably the display type is vector lines between acquisitions points might result in the echelonment display It can be solved by setting display type as point display method UTD1000L User Manual Chater VIII Service and Support Product Program Upgradation Two ways to acquire program upgradation package from UNI T company market department or via company website the user can upgrade program of the present oscilloscope by the embedded program upgradation system in the oscilloscope to make sure that program of the present oscilloscope is the newly published program version of UNI T company Preparations before Upgradation 1 Own an UTD1025CL oscilloscope produced by UNI T and acquire the type hardware and software vision information of the present oscilloscope through the system information menu box under the CONFIGURE menu 2 To acquire from UNI T company market department or via company website the program upgradation package that type and hardware version is identical to the oscilloscope being upgraded and software version is bigger than that of the present oscilloscope Program Upgradation Conditions 1 Product type of the program upgradation package shall be in accord with that of the oscilloscope being upgraded 2 Hardware version of the program upgradation package shall be in accord with that of the osci
30. atus to the Electricity Power 12 Interface Instruction 0 ccc ee 12 UTD1000L User Manual Item Page Reset Oscilloscope 0 0 eee eee eee 14 Operation Methods for Function Menu 0 00 14 Mernu Hiding iue oem trem mete tiated ee p e e Era 15 Oscilloscope Switch In Probe Compensation Signal 15 Probe Compensation 00 0 eia eect eee ees 16 Munual Set Vertical System Horizontal System and Trigger Level 17 Horizontal System i i corte RR RR Rede yeh ge Up E 18 Trigger Eevel iere RI Reb pex Cu pepe prp gases 18 Automatic Setting of Waveform Display 19 Stop Restore Data Collection 0 0 0 0 sis eee eee 21 Trigger Frequency Count Setting leise 21 Screen Brightness Adjustment eese esses 22 Store BIMA Dees ue ho e et nae ace A Un eh de epi e MUR a RR NU tcs 23 Online Helpz 250 ced dered heetonrseddneseea bodega bee 23 Set Single Trigger iE rin ora eE E EEE eens 23 Check Oscilloscope Status naaa 24 Item Page Check Oscilloscope System Information eee 25 Automatic Parameter Measurement 0200050 25 Customization Parameter Measurement 00005 26 Smooth Waveform by Average Treatment 085 21 Display Spike Pulse by the Peak Value Test Function 28 Use Persistence to Show Waveform
31. aveform remains the same at thestart and finish the waveform shall not discontinue UTD1000L User Manual Table 6 20 FFT window Characteristics Fittest contents for measurement Compared with rectangular i it h f Hanning pale E aS b eis Sine period and narrow band random noise resolution and inferior amplitude resolution Frequency resolution of Transient or short pulse signal level varies greatly Hamming window is rather before after it Hamming better than that of Hanning window bis y POR Ampa Mainly used for single frequency signal to find higher order Blackman resolution and worst frequency harmonics resolution Transient or short pulse signal level remains the same With the best frequency f MN basically constant amplitude sinusoid with similar Rectangle resolution and worst amplitude resolution frequency carries broadband random noise of wave spectrum with slow changes TT 78 Nouns explanations FFT resolution itis the quotient of acquisition and operation point When operation point count is fixed the lower the acquisition rate is the better the FFT resolution is Nyquist frequency NYQUIST for waveform with highest frequency f it is required to use acquisition rate at least 2f to reconstruct original waveform It is called the Nyquist Creterion the f represents Nyquist frequency and 2f the Nyquist acquisition rate UTD100
32. cklighty Adjustable brightness Backlight intensity 300nit Display language Chines types English Port function tandard An UT M07 10A CURRENT configuration DIVIDER an USB connection wire Fittings UTD1000L User Manual UTD1000L User Manual Mechanic specifications Power Power voltage 100 220 V AC rms 45 440Hz Output voltage 9VDC Output current 4000mA Battery 7 4 V 3600mA rechargeable lithium ion battery with more than 8 hours power supply Dimension A oommx 118mmx49mm reference data Weight Exclusive of package 0 9kg net weight Inclusive of package 2 3kg Environment IP protection Temperature Operation 0 C 40 C IP2X Non operation 20 C 60 C Cooling method Natural cooling Adjustment interval Humidity 10 C 30 C 90 5 RH 30 C 40 C 60 5 RH Calibration interval is one year recommended Height Operation 3 000m Non operation 15 000m 91 92 Appendix B Maintenance and Cleaning General Maintenance Please do not store or put the instrument on the place where the monitor would be exposed to sunshine for a long time Be careful keep the instrument or probe away from the sprays fluids and solvents to guard against damage to the instrument or probe Clean Check the instrument and probe usually in acco
33. cquisition mode Itis recommended to set channel coupling as DC in using slow scan mode toobserve low frequency signal UTD1000L User Manual Parameter Measurement Setting The following introduction shall help you to know more about the powerful automatic measurement function of oscilloscope Press key MEASURE to open parameter measurement menu as shown in the following picture Freq 2 000kHz Position 0 03div Picture 6 15 Parameter Measurement Menu UTD1000L User Manual Table 6 10 Function menu Set Instruction All parameters ON OFF Display measurement value of all parameters Close automatic measurement function Select paramter ON OFF Open customization parameter selection box to select the needed measured parameter by key SELECT The parameter will appear on screen and you can select at most four customization parameters Close customization parameter selection box Clear Delete customization parameter displayed on screen Example 1 display all measurement values of channel Measurement steps are as follows 1 Press key MEASURE to open parameter measurement menu 2 Press F1 to select all parameter measurement open Screen will display all measurement parameters as shown in the following picture Middle 0 41 Am mG UUme Picture 6 16 All Parameters Measurement 61 62 E
34. ct waveform only trigger conditions have been met UTD1000L User Manual Notes General setting menu can also set by shortcut ways as shown in the following steps 1 Press key SHIFT and character shift shall appear on the right upper corner of screen 2 Press key F1 to show trigger general setting menu Edge Trigger Edge trigger is the trigger on the trigger threshold of input signal edge Edge trigger setting are as shown in the following table C Freq 1 000kHz Position 0 0div D6 2400m Picture 6 9 Trigger Edge Trigger Table 6 4 Function menu Set Instruction Set trigger type as edge Trigger Type Edge trigger Rise Set trigger on the signal rising edge Slope Fall Set trigger on the signal falling edge Pulse Width Trigger Pulse width trigge defines trigger time based on the pulse width You can capture abnormal pulse by setting pulse width conditions C Freq 2 000kHz Position 0 0div Table 6 5 Function menu Set Instruction Trigger Type Pluse width m dac Positive Set positive pulse width Pulse width as the trigger signal polarity Negative Set negative pulse width as the trigger signal Trigger when pulse width equals to setting value Pulse width lt Trigger when pulse width conditions is bigger than setting value Trigger when pulse width is smaller than setting value Pulse width time Set pulse widt
35. cture 3 3 UTD1025CL Panel Connection of the Apparatus UTD1000L User Manual Power key to power on off oscilloscope F1 F4 Key for menu option setting E23 DSO DMM key to switch between the working mode of oscilloscope DSO and multimeter DMM ACQUIRE brightness V voltage measurement key under the oscilloscope mode press the key to enter ACQUIRE aquire sample menu Press the key SHIFT firstly and press it again to adjust brightness and change the Screen brightness by shifting the left right keys Under the multimeter DMM mode press the key to enter into the voltage measurement menu wwen DISPLAY CONFIGURE I current measurement key under the oscilloscope mode press the key to enter DISPLAY display mode menu Press the key SHIFT firstly and press it again to enter the CONFIGURE interface configuration menu Under the multimeter DMM mode press the key to enter into the current measurement menu MEASURE CURSORY R resistance measurement key under the oscilloscope mode press the key to enter COURSOR sursor measurement menu Press the key SHIFT firstly and press it again to enter the MEASURE automatic measurement menu Under the multimeter DMM mode press the key to enter into the resistance measurement menu and to measure resistance diode continuity capacitance PRS MATH STATUS key under oscilloscope mode press the key to enter into
36. current value of the measured point Picture 5 11 Measurement of AC Current lower ES Ee ee SS SS than 400mA Picture 5 10 Measurement of AC Current lower 39 than 4mA 40 To measure AC current higher than 400mA under the following steps 1 Press key l and the menu shall display measurement type AC current 2 Press key F3 to set range as A and the measurement unit shall be A 3 Insert 10A CURRENT DIVIDER into current measurement socket and then insert the table pen with the 10A CURRENT DIVIDER 4 Connect the red and blace table pen with the measured point and the screen shall display the AC current value of the measured point Warning in measuring current higher than 400mA the fuse in the machine shall be blown if plug in pA mA port directly without using 10A CURRENT DIVIDER please replace the fuse by the special personnel UTD1000L User Manual Picture 5 12 Measurement of AC Current higher than 400mA UTD1000L User Manual Hold Measurement Value You can hold the displayed reading antime 1 Press key RUN STOP to hold the measurement value and character Hold shall flicker on the screen 2 Press the key RUN STOP again to restore measurement Picuture 5 13 Hold Measurement Value Relative Measurement Relative measurement shall display the present measurement results relative to the difined reference value The followin
37. d the screen shall display capacitance value reading of the capacitor being measured Notes please use the relative value measurement method in measuring capacitance lower than 5 nF and to improve measurement accuracy Ew o Lec rtr Picuture 5 4 Continuity Measurement 35 Measure DC Voltage To measure DC voltage under the following steps 1 Press key V the menu shall display the measurement type DC Voltage 2 Insert blace table pen into COM banana Socket input port and red one into V banana Socket input port 3 Connect the red and blace table pen with the measured point and the screen shall display the DC voltage value of the measured point as shown in the following picture p 4 7 DC AUTO zc Picture 5 5 DC Voltage Measurement 36 UTD1000L User Manual Measure AC Voltage To measure AC voltage under the following steps 1 Press key V the menu shall display the measurement type DC Voltage 2 Press key F1 the menu shall display the measurement type AC voltage 3 Insert blace table pen into COM banana Socket input port and red one into V banana Socket input port 4 Connect the red and blace table pen with the measured point and the screen shall display the AC voltage value of the measured point xr Picture 5 6 AC Voltage Measurement UTD1000L User Manual Measure DC Current To measure DC current lower than 4mA
38. djust between the channel vertical shifts and trigger level The above operations shall be detailed in the following chapters Automatic Setting of Waveform Display UTD1025CL oscilloscope has the automatic setting function Based on the input signal it is possible to automatically adjust vertical deflection coefficient scanning time base and trigger modes until the proper waveform display In application of automatic setting frequency of the measured signal is required to be bigger than or equivalent to 20Hz duty ratio bigger than 1 Full Automatic Setting of Input Signal UTD1025CL oscilloscope has the creative function of full automatic signal capturing Under the function the oscilloscope shall adjust gear automatically with the changes of input signal and display the waveform in the fittest form without manual intervention The following steps shall be taken to operate the full automatic setting function 20 1 Press key SHIFT to show the character shift on the right upper corner of screen 2 Press key AUTO to select starting full automatic setting function and character A shall appear on the upper part of screen indicating the full automatic setting function has started CHANNEL 20 x M 500us E DC 8 00mv Picture 4 9 Full Automatic Setting Notes 1 Under the full automatic setting mode the UTD1000L User Manual automatic trigger mode shall not be altered 2 Entering
39. et Press key DISPLAY to enter into display menu as shown in the following picture AF T680mY Format Graticule Persist Picture 6 14 Waveform Display Set UTD1000L User Manual Table 6 9 Function menu Set Instruction Format YT Indicate relative relations between vertical voltage and horizontal time Types Vectors Display in the way of linking acquisition points points Display acquisition points directly Full Set mesh display mode in the waveform display area full Graticule Grid grid crosshairs Cross Hairs Automatic Screen waveform updates at normal refresh rate 1s Waveform data on screen updates after holding 1 s Persist 3s Waveform data on screen updates after holding 3s 5s Waveform data on screen updates after holding 5s Infinite Wavefrom data on screen shall hold continuously and new data if any shall display in continuity 59 60 Nouns explanation Display types sector display will fill in blanks between adjacent acquisition points during display and point display shall only display acquisition point Refresh rate it is the refresh frequency per seconds of screen waveforms Speed of refresh rate will affect oscilloscope s ability to observe signal dynamic changes Y T mode Y axis represents voltage quantity and X axis time quantity Slow scan mode when horizontal time base control is set at 50ms div or slower the apparatus shall enter into slow scan a
40. g example introduces how to conduct relative capacitance measurement Firstly to get a reference value 1 Press key R and the menu shall display measurement type resistance 2 Press key F1 the screen shall display measurement type capacitance 3 Insert blace table pen into COM banana Socket input port and red one into V O banana Socket input port 4 When the reading is stable press key F2 to enter into relative value measurement status and the shall appear on the upper part of screen under the appear reference value 41 5 Connect the red and blace table pen with the capacitor being measured and the screen shall display the capacitance reading of capacitor being measurend 5 3 e eo AUTO A Pair Picture 5 14 Relative Measurement of Capacitance Select Automatic Manual Range Adjustment The fault mode of meter is full automatic setting mode to switch to manual range under the following steps 1 Press key V or R menu display measurement mode automatic UTD1000L User Manual 2 Press key F2 to switch measurement mode and enter into manual measurement mode menu display range mode manual 3 Under manual range mode press key F3 once jump a gear upward and press key F3 to the lowest gear when it reaches to the highest gear in a cycle The present range displays above the measurement reading 4 Press key F2 the left up
41. h time value under the menu display conditions set the pulse width time by left right key UTD1000L User Manual Vedio Trigger Select vedio trigger and trigger on the vertical or horizontal line of NTC or PAL standard vedio Position 0 0div T S rd Picture 6 11 Trigger Vedio Triger UTD1000L User Manual Tabel 6 6 Function menu Set Instruction Trigger Type Vedio Set trigger type as vedio trigger Standard PAL Vedio signal applicable to PAL system NTSC Vedio signal applicable to NTSC system All lines Set vedio horizontal trigger sync Sync Odd field Set to trigger sync on the vedio odd field Even field Set to trigger sync on the vedio even field 53 Slope Trigger Select slope trigger and produce trigger when signal rising or falling velocity meets set value conditions When Picture 6 12 the First Page of Trigger Slope Trigger UTD1000L User Manual Freq 2 000kHz Po n O 0din Picture 6 13 the Second Page of Trigger Slope Trigger UTD1000L User Manual Tabel 6 7 Function menu Set Instruction Trigger Type Slope Set trigger type as slope trigger Rise Select a threshold between the rising edge of trigger signal slepe Fall Select a threshold between the falling edge of trigger signal gt Trigger when signal slope between thresholds is bigger than slew rate set value E Tr
42. hannel coupling as AC displayed on the screen Off On Off n On Coupling Disp ave Invert Coupling TELEING robe Invert Picture 4 22 AC coupling l Picture 4 23 opposite phase display of waveform 29 30 Automatic Setting for Small Signal with DC Bias The unique powerful automatic setting function of UTD1025CL oscilloscope make it possible to complete quick correct automatic setting for signal containing any DC components under the channel DC coupling mode On the left upper part of screen display a parameter position Position the parameter indicates the shift value of channel reference symbol relative to the screen horizontal midline Being positive indicates that channel referenece symbol is above the screen horizontal midline and negative indicates that channel referenece symbol is below the screen horizontal midline For example input in the channel AC peak peak value70mV with sine signal containing 1 1V DC bias signal set oscilloscope to display waveform UTD1000L User Manual and read reference value Compare UTD1025CL with traditional oscilloscope in terms of operation convenience Connect signal with input channel set channel coupling mode as DC and conduct automatic setting then the screen shall display the waveform shown as in the picture 4 24 Of which Position 55 Odiv indicates that the channel reference symbol shift downward 55div relative to screen midpoint Based on t
43. he present gear and shift we can calculate the DC bias voltage 20mV div x 55div 1 1V Peak peak value 71 199mV represents the AC peak peak value of the signal and DC level of present signal could be read directrly by the average value Average value 1 120V represents the DC level of the signal and the signal s parameter could be calculated easily based on the above parameters UTD1000L User Manual Invert Picture 4 24 Setting the Signal with DC Bias For trational oscilloscope it is necessary to set it as AC coupling and measure signal s AC parameter set channel as DC manually adjust channel vertical scale coefficient and measure signal s DC parameter by the cursor and get the test value finally as shown in following picture BW Limit Full Input 4 Coupling ON Ac Picture 4 25 AC parameter measurement 31 ALTO MPOS O 00us Input 4 Coupling BW Limit ON DC Full Picture 4 26 DC parameter measurement After comparison we can see UTD1025CL s quicker measurement speed and more intuitive Bias Volt measurement results UTD1000L User Manual ChapterV Use Multimeter About the Chapter The chapter introduces the multimeter function of oscilloscope in phases and provides basic examples for using menu and basic operations Press key DMM DSO the oscilloscope shall switch to multimeter measurement and screen displays multimeter interface Connect Apparatus 3 4 mm safety banana socket input
44. he time parameters that oscilloscope can measure automatically include Rise time duration for waveform rising from 10 to 90 Fall time duration for waveformfalling from 90 to10 Positive pulse width pulse width when positive pulse is at 50 amplitude Negative pulse width pulse width when negative pulse is at 50 amplitude Rise delay delay time of Ato B rise edge Fall delay delay time of Ato B fall edge Positive duty ratio ratio of positive pulse width with period Negative duty ratio ratio of negative pulse width with period Storage and Record Record Function Press key RECORD to open waveform record function menu two independent menus as shown in the following picture 65 66 Picture 6 22 Waveform Record Menu Table 6 11 Record Menu Function menu Set Instruction Rec Op Record Open close waveform record function Play Play recorded waveform files Stop Stop the waveform files being recorded or played Rec Record waveform UTD1000L User Manual TRIGED Freqi1 00300kHz P on A DCA 0D0mY 4 Location Save Picture 6 23 record file storage menu UTD1000L User Manual Table 6 12 record file storage menu Function menu Set Instruction Open close waveform Rec Op n recording function Savec 5 storage positions 1 5 Set storage position by 1 5 left right key under the menu display condition
45. igger when signal slope between thresholds is smaller than slew Slope conditions rate set value Trigger when signal slope between thresholds equals to slew rate set value Next page Second page of slope menu Set slew rate value and under the menu display conditions to set Time as pulse width time by left right key Low level Shift low level threshold by up down key Threshold High level Shift high level threshold by up down key High low level Shift high low level threshold by up down key Back Back to the first page of slope page 55 56 Terms explanation 1 Trigger Source trigger information source is the input channel CH1 E Input Channel the commonly used channel information source is input channel CH1 The channel selected as trigger information source are under normal operation only its corresponding input channel have been opened 2 Trigger Mode decides activity modes of oscilloscope under no trigger event status Three trigger modes automatic normal and single trigger H Automatic trigger when no trigger signal input status the system shall collect waveform data automatically enabling to display scan baseline on the screen when there is trigger signal the automatic shall switch to trigger scanning and sync with signal Notes when scan waveform is set at the 50ms div UTD1000L User Manual or slower time base oscilloscope shall enter into SCAN mode B Normal trigger oscilloscope sh
46. ion menu Set Instruction Normal Set as common acquisition mode T Peak value Set as peak value test Acquisition mode Average Setas average acquisition mode and display average frequency Set average frequency and Averages step in with multiple of 2 has ony from 2 4 and 8 16 32 64 e acquisition miedo M 2 256 128 to 256 Under collection menu average display status set average frequency by left right key 5T 58 Notes 1 Select acquisition mode to observe single signal 2 Select peak value test mode to observe envelop of signal to avoid confusion 3 Select average acquisition mode to reduce random noise in the displayed signal and the average value frequency shall step in with multiples of 2 setting average frequency selection from 2 to 256 Nouns explanation Normal mode oscilloscope collects signal to reconstruct waveform with equal time interval Peak value test mode under the acquisition mode oscilloscope shall find out the maximum and minimum value of input signal in each acquisition intervals and to display waveform by those values Thus oscilloscope can acquire and display narrow pulse or those narrow pulses will be leaked underthe acquisition mode and UTD1000L User Manual noise seems louder Average mode under the mode oscilloscope will acquire several waveforms to calculate average value and display waveform finally thus reducing random noise Display S
47. l part of the probe when connecting with the high voltage source Munual Set Vertical System Horizontal System and Trigger Level Vertical System Press key V mV to adjust vertical gear v div of oscilloscope and to adjust signal to appear on the screen with the proper size When the channel symbol is solid press up down keys to adjust ground baseline position to adjust signal to appear on the screen with the proper size 17 CHANNEL ail h 500us DG 4 00mV Picture 4 6 Vertical Shift of Waveform Notes press key SELECT to change the function needed to adjust between channel vertical shift and trigger level Horizontal System Press key s ns to change horizontal time base gear setting and the time base gear display for status bar changes correspondingly The horizontal scanning velocity is 10ns 50s div and step in by the UTD1000L User Manual way of 1 2 5 Press left right key to adjust horizontal positon of trigger point to observe more Sisi d information Lr Br Picture 4 7 Adjust Horizontal Time Base Trigger Level When the trigger level symbol is solid press up down key to adjust trigger level posion UTD1000L User Manual By ae EEEE AERD Ce AELE EEE CAER EEE AELE EET ee Ce Trigger Level us 0 ns Picture 4 8 Adjust Notes press key SELECTIto change the function needed to a
48. lloscope being upgraded 3 Software version of the program upgradation package shall be bigger than or equal to that of the present oscilloscope Program Upgradation 1 Install the home computer software in disk correctly in accordance with the home computer installation instruction 81 82 UTD1000L User Manual 2 Copy the prepared program upgradation package with suffix upp into the computer The program upgradation package shall be acquired by downloading from UNI T official website and from UNI T market department 3 Connect oscilloscope with computer by USB wire and open the home computer software click button Connect Button in the home computer software interface to realize normal communication between it and oscilloscope After successful connection home computer Picuture 8 1 Connect With Home Computer indicates USB connection successful UTD1000L User Manual 4 by selecting option Operate Program Upgradation in home computer software menu select the program upgradation package copied into computer oscilloscope program starts upgradation the home computer indicates in upgradation please await Lookin E vrpt000L FC software Bek Ca Wninstert me Picture 8 2 Program Upgradation 5 After upgradation oscilloscope display shall appear indication upgradation successful No operation to the oscilloscope at the moment and restart it the program upg
49. ly 1 525 NTSC sand and 1 625 PAL trigger type Slope trigger Trigger condition lt smaller than gt bigger than equal to Slew rate scope 40pV us 1 6kV us 87 UTD1000L User Manual measurement Cursor Manual mode Voltage difference between cursors AV time difference between cursors AT Reciprocal of AT Hz 1 AT Automatic measurement mode Allowable to display cursor in automatic measurement Automatic measurement Measurement includes Peak peak value amplitude value maximum value minimum value top value bottom value medium value average value mean square root value overshoot preshoot frequency period rise time fall time positive pulse width negative pulse width duty ratio duty ratio 19 items parameter Measurement of designated 4 types Mathematic operation FFT operation Store waveform 10 groups of interface storage 20 groups of waveform storage screen print function Record waveform 5 groups of recorded waveform storage FFT Window Hanning Hamming Biackman Rectangular Acquisition point 512 points 88 UTD1000L User Manual Multimeter DC current Input impedance 10MQ Maximum input voltage DC 400V Range Accuracy 400 0mV 4 000V 1 5 character 40 00V 400 0V DC current Maximum input DC current DC 10A
50. m the correct connection of 10A CURRENT DIVIDER in A gear current measurement Introduction about the shortcut operation P Direction key and OK key OK key used 069 E SHIFT OK Store present display interface into the storage and outputted from the host computer SHIFT AUTO open the full automatic setting function under which the oscilloscope shall adjust vertical scale and scanning time base automatically with the changes of input signal and display the waveform in the fittest form without manual intervention SHIFT F1 Open trigger main menu and select trigger coupling mode and automatic normal trigger mode by the key F3 F4 11 Chapter IV Primary Application of Oscilloscope About the Chapter The chapter briefly introduces the UTD1025CL oscilloscope functions not in detail providing some basic examples for using menus and for basic operations Connect Appatatus to the Electricity Power There are two power supply methods for UTD1025CL oscilloscope battery power supply for home apparatus and adapter power supply power supply voltage of which is DC 9V 4A To assure the normal working of apparatus please use the adapter configurated with the product Press power key about 5 seconds the power on LOGO picture shall appear on the oscilloscope and the oscilloscope starts working UTD1000L User Manual Interface Instruction On Coupling TE
51. measuring To simplify the menu operation the combination operation of key UTD1025CL 25MHz 200MS s Single channel SHIFT on the apparatus and other keys can enable direct operation of more functions Besides the powerful trigger and analysis ability shall make it easier to capture and analyze the waveform The clear liquid crystal display and UTD1000L User Manual mathematical operations help users to observe and analyze the signal problems more quickly and clearly UTD1025CL Oscilloscope Components Unpacke the oscilloscope case you Il see the following components Standard configuration Z o Instruction UNI T oscilloscope An adapter An oscilloscope probe 2 multimeter test pen a red and a black An UT M07 module An oscilloscope probe adjusting tool A USB data line An user manual Qo o o0oi oiuoN An user disk inclusive of oscilloscope and comuter communication software e A portable soft bag Features of UTD1025CL Oscilloscope Oscilloscope Full automatic setting function AUTO SCALE vertical and time base gear could be automatically adjusted according to the signal changes with manual intervention Unique powerful automatic setting function can make quick and correct automatic setting about any signal containing DC components Wider voltage measurement scope 20V div reach 200V div
52. n mode Vertical sensitivity is 10mV div 20V div 3 acquisition or average value acquisition mode DC measurement accuracy average value acquisition mode Vertical shift is zero and N216 4 Xreading 0 1 grid 1mV and select 5mV div 3 X reading 0 1 grid lmV and select 10mV div 20V div Vertical shft is not zero N216 3 X reading vertical shift reading 1 x vertical shift reading 0 2div set from 5mV div to 200mV div 2mV Set value gt 200mV div to 20V div 50mvV Voltage difference AV measurement accuracy average sampling mode Under the same set and environmentconditions after gaining the average value of the 216 captured waveform voltage difference between any two points AV is 3 X reading 0 O5div Oscilloscope UTD1000L User Manual Pulse width trigger Trigger Trigger sensitivity lt 1div Trigger mode gt lt positive pulse width gt negative pulse width Trigger level scope To screen center 10div Pulse width scope 20ns 10s Pretrigger ability Normal mode scanning mode pretrigger delay trigger pretrigger depth are adjustable Vedio trigger Holdoff scope 100ns 1 5s Edge trigger Edge type Rise edge fall edge Trigger sensitivity 2divs peak to peak value vedio trigger typical Medis bM Support standard NTSC and PAL 2 ie vedio Scope horizontal
53. nd a general setting mode used to set trigger source trigger coupling and trigger modes Edge trigger produce trigger when signal is set as rising or falling edge To change vertical positon of trigger point on the trigger edge by setting trigger level namely the intersection point of trigger level line and signal edge on the interface 49 Pulse width trigger trigger will occur when the pulse width of trigger signal reaches set conditions Vedio trigger to trigger in the vertical or horizontal signal of standard vedio signal Slope trigger signal s rising or falling velocity is the trigger condition Sorts of trigger menu shall be introduced in the following contents Common Trigger Setting The Common setting is used to set common trigger options as shown in the following table Freq 1 000kHz Position 0 0div Coupling Picture 6 8 Trigger Common Setting UTD1000L User Manual Table 6 3 Function menu Set Instruction Set general trigger Trigger Type Common set olicus Set CH1 as information Trigger source CH1 source trigger signal AC Stop DC components contained in the input signal DC Pass AC and DC Trigger coupling High frequency restriction components in the input signal Resitrict high frequency components higher than 80kHz in the signal Trigger modes Automatic Normal Automatically collect waveform if without detecting any trigger conditions Colle
54. nerator press key AUTO and in few seconds the squarewave display 1kHz about 3Vpp peak peak value will be seen as shown in picture 4 5 UTD1000L User Manual ED ou E DC 1520Y Picture 4 5 Home Computer Squarewave Signal Probe Compensation Connecting probe with channel for the first time it is required to adjust probe compensation to match probe with the input channel The probe without compensation calibration shall result in measurement error or mistakes To adjust probe compensation under the steps as shown in the above example UTD1000L User Manual 1 Set the attenuation coefficient of probe multiplying power as 10X firstly set the switch on probe as 10X and connect probe with input channel of oscilloscope Connect probe pointer with output port of the compensation signal generator 2 Set automatically 3 Observe the displayed waveform a TED f Over compensation correct compensation under compensation If the displayed waveform on the screen show under compensation or over compensation as the above picture use the adjust pen with non metal handle of the probe auxiliary to adjust variable capacitance of the probe until correct compensation were shown on the screen as the above picture Warning to guard against the electric shock in measuring the high voltage with the probe please make sure that the insulated conductor of probe is intact and do not touch the meta
55. ng function with keys F1 F4 hide function menu after that press key OK to UTD1000L User Manual 2 All keys printed with two lines of words are multifunctions for acquiring the above functions please press key SHIFT the word shift shall appear on the right upper corner of screen and then press it again to acquire the corresponding function CHANNEL 100 0 Ix LE Ons Picuture 4 3 Menu Hiding DC 0 00my Menu Hiding Press key OK to hide all key symbols and menu If need to display menu or key symbols press it again Notes it is possible to set menu automatic hiding time through interface configuration setting Oscilloscope Switch In Probe Compensation Signal To switch in signal as the following steps 1 Connect oscilloscope probe with oscilloscope input port and set attenuation multiplying power on the probe as 10X 2 Set attenuation coefficient on the probe It shall change the vertical gear multiplying power and the measurement results would reflects correctly the measured signal s amplitude Ways to set the probe attenuation coefficient is to press key CHANNEL and press F3 to select probe multiplying power 10X in the channel 100X 1000X RC 10X Off Coupling Disp ave Probe Invert Picture 4 4 Probe Multiplying Power Adjusting 3 Connect probe with the output port of compensation signal ge
56. nt type resistance 2 Press key F1 the menu shall display the measurement type diode 3 Insert blace table pen into COM banana Socket input port and red one into O banana Socket input port 4 Connect the red and blace table pen with the measured resistor the screen shall display the turn on voltage drop voltage value reading of the diode UTD1000L User Manual Picture 5 2 Diode Measurement Continuity Test To conduct continuity test under the following steps 1 Press key R the menu shall display the measurement type resistance 2 Press key F 1j the menu shall display the measurement type continuity 3 Insert blace table pen into COM banana socket input port and red one into O banana socket input port UTD1000L User Manual 4 Connect the red and blace table pen with the measured point when the measured point resistance is lower than 10 O the meter shall sound tick r 44 Lo o SEEDED Picture 5 3 Continuity Measurement Measure Capacitance To measure capacitance under the following steps 1 Press key R the menu shall display the measurement type resistance 2 Press key F1 the menu shall display the measurement type continuity 3 Insert blace table pen into COM banana socket input port and red one into O banana socket input port 4 Connect the red and blace table pen with the capacitor being measure
57. obe multiplying power is 1 9 Reading displays main time base setting 10 Home computer connection symbol 11 Reading displays present vertical scale coefficient 12 Waveform opposite phase symbol 13 The reading indicates the shift value of channel reference symbol relative to screen horizontal midline 13 Reset Oscilloscope To reset the oscilloscope as factory setting please operate under the following steps 1 Press key SHIFT the word shift would appear on the right upper corner of the screen 2 Press key UTILITY select auxiliary function setting 4 opti ons displayed in the bottom 3 Press key F2 select Default Set The oscilloscope shall be set as the factory setting CHANNEL In h 1 00ms Position 0 0div Self Cal Default Set Erase Data o er Picuture 4 2 Factory Setting UTD1000L User Manual Status after factory setting Function Setting Acquire method Normal acquire s div 1ms div v div 100mV div Trigger coupling DC Trigger types Automatic Display format vector Continuation time Automatic Interface style Classic Menu display Manual Operation Methods for Function Menu The following examples introduce how to select function with the oscilloscope menu 1 press function keys on the keyboard the relevant set options to keys shall appear on the bottom of screen select correspondi
58. opposite phase mode 44 UTD1000L User Manual Vertical Shift of the Waveform When the channel triangle symbol is solid press up down key to shift channel waveform vertically Picture 6 2 Vertical Shift of Waveform Notes when the channel vertical shift triangle symbol is blank press key SELECT to switch channel vertical shift triangle symbol to solid Set Waveform Display In the channel menu press key channel waveform display F2 to open or close On Off Off Coupling DispHave Invert Picture 6 3 Close Waveform Display Set Probe Multiplying Power To cooperate with the probe attenuation coefficient setting it is required to set probe attenuation coefficient correspondingly in the channel operation menu For example the probe attenuation coefficient is 10 1 the probe coefficient in menu shall be correspondingly set as 10 x others are onthe analogy of the above to assure accuracy of voltage reading 46 In the channel menu press key F3to set probe multiplying power Table for probe attenuation coefficient and corresponding menu settng Table 6 2 Probe attenuation Corresponding menu coefficient 1 1 1x 10 1 10x 100 1 100X 1000 1 1000x Horizontal Sysmem Setting Change of Time Base Press key scanning velocity of the apparatus from 10ns div to 50s div s ns to slow down
59. per part of screen displays Auto and switch back to full automatic setting mode Picture 5 15 Manual Measurement UTD1000L User Manual Chapter VI Details about Using Oscilloscope About the Chapter The chapter will introduce functions of UTD1025CL oscilloscope step by step and make detailed introduction about each function keys on the board and provide some basic examples for using menu and operations You are strongly recommended to read the chapter to know more about the measurement function and system operation methods Vertical System Setting Channel Setting Channel has independent setting menu press key CHANNEL the system shall display channel operation menu as shown in the following picture Coupling Disp ave Invert Picture 6 1 Channel Menu Setting Channel menu as shown in the following table UTD1000L User Manual Table 6 1 DC Pass AC and DC components of the input signal Coupling AC Stop the DC components of the input signal Ground Display DC level of the channel input port being equivalently grounded Waverform On Display channel waveform display Off Close channel waveform 1x Based on the probe attenuation coefficient select one of them to assure 10x E Probe 100x the accuracy of the vertical bias coefficient reading 1000 x Four types 1X 10x 100 1000X Invert Off Normal Waveform display On Waveform being displayed in the
60. ports for multimeter COM V O pu A mA One 10A CURRENT DIVIDER UT MO7 Interface Indication Instruction Instructions 1 Battery indication 2 AUTO automatic setting indication 3 Measurement types indication ili DC voltage measurement UTD1000L User Manual AC voltage measurement DC current measurement 5 AC current measurement T Resistance measurement K Diode measurement Continuity measurement 4 Capacitance measurement 4 A Relative value measurement indications 5 Operation status indication HOLD indicates the screen has been hold 6 113390 Relative value measures reference value 7 06 400 09 Measurement value main reading Multimeter Measurement Press key DMM DSO the oscilloscope shall switch to multimeter measurement and screen displays multimeter interface then you can measure with the multimeter Measure Resistance Value To measure resistance under the following steps 1 Press key R the menu shall display the measurement type resistance 2 Insert blace table pen into COM banana socket input port and red one into O banana socket input port 3 Connect the red and blace table pen with the measured resistor the screen shall display resistance value reading of the measured resistor Picture 5 1 Resistance Measurement 33 34 Measure Diode To measure diode under the following steps 1 Press key R the menu shall display the measureme
61. quisition Averages Picture 4 19 Average Treatment with 16 Times 28 Display Spike Pulse by the Peak Value Test Function The function could be used to show results of 50 ns or even wider pike pulse or other nonsynchronous wavefoms 1 Press key ACQUIR to show acquisition mode menu 2 Press key vto select acquisition mode as peak value Position 3 07div EET MT D F 160 00mV m oen rot Picture 4 20 Peak Value Acquisition UTD1000L User Manual Use Persistence to Show Waveform You can use persistence function to observe dynamic signal continuously 1 Press key DISPLAY to show display mode menu 2 Press key IF4 to select 1 second 3 seconds 5 seconds limitless or automatic in a cycle Select Limitless the observed dynamic signal shall persist on the screen and the persistence function shall close if select Automatic un amm ull Format Graticule Picture 4 21 Display 3 Seconds in Consecutive UTD1000L User Manual Select AC Coupling Reverse Polarity of the Displayed After resetting the oscilloscope shall be DC Waveform coupling and screen shall display AC and DC To display input port waveform in opposite phase voltage To use AC coupling when want to observe under the following steps a small AC signal loaded on the DC signal 1 Press key CHANNEL to show channel menu 2 Press key F1 to select c
62. radation is completed Notes 1 When there is any mistakes about program upgradation package home computer shall indicate mistakes about upgradation files please check it The oscilloscope shall stop upgradation and the program version shall not change before storage 2 If communication disconnection from home computer power off of oscilloscope or computer etc during the upgradation oscilloscope shall stop it and the program version shall not change before storage 83 84 Chapter IX Appendix Appendix A Performance Index Unless otherwise stated all technic specifications shall apply to probe with attenuation switch being set 10X and UTD1025CL series of digital oscilloscope Digital oscilloscope reaches those specifications and standards only if meet the following two conditions B The instrument shall be in continuous operation more than 30 minutes under the stipulate operation temperature E if operation temperature shift reaches to or over 5 degrees the system function menu shall be opened to implement the Self correction procedure and except the specification labeled with character Typical all specifications shall be guaranteed Technical Oscilloscope UTD1000L User Manual Acquisition mode Acquisition mode Real time acquisition Acquisition rate 200MS s Acquisition Acquisition peak peak test average Average value All channels reach N times of acquisition concur
63. rdance with the operation status and clean the instrument surface under the following steps 1 Please wipe dust on the instrument and probe with the soft cloth and do not scrap the transparent LCD protection screen 2 Please power off when clean the instrument with the wet cloth without dripping The soft detergent or clean water could be used to clean the instrument UTD1000L User Manual instead of any corrosive chemical detergent which might damage the instrument or probe Warning Before using the apparatus after being powered on again please confirm that it has been dry guarding against the electric short circuit caused by water and even the personal hurt Deposite Oscilloscope It is required to recharge lithium ion battery before deposit the oscilloscope if want to deposite it for a long time Recharge Battery In delivery lithium ion battery may not be recharged enough To maintain enough battery electricity recharge it 4 hours after that the battery shall supply power at least 8 hours UTD1000L User Manual Supply power by the battery the battery indicator on the top of screen indicates the usage of electricity quantity Five battery signals imum Of which represents only five minutes usage time left If need to recharge battery and supply power for apparatus please to recharge battery by connecting adapter with oscilloscope Notes To guard against overheat in recharging battery the ambient temperatu
64. re shall not exceed the allowable value 0 C 40 C stipulated in the technical specification Notes It shall not result in any danger in long time connection with recharger for instance during a whole weekend The apparatus shall switch to Slow recharge status Replace lithium ion battery Usually it is unnecessary to replace batteries if necessary it shall be replaced by the qualified personnel and by the lithium ion battery with same specification 93 UTD1000L User Manual This user manual may be revised without prior notice 94 UTD1000L User Manual Copyright 2011 UNI Trend Group Limited All rights reserved Address Rm 901 9 F Nanyang Plaza 57 Hung To Road Kwun Tong Kowloon Hong Kong Phone 852 2950 9168 Fax 852 2950 9303 Email info uni trend com Website www uni trend com Manufacturer UNI T Technology Chengdu Co Ltd Add 2F Building D2 No 199 West District Avenue West High tech District Chengdu City Sichuan Province P R China 95
65. rently and N should be chosen among 2 4 8 16 32 64 128 256 UTD1000L User Manual Input Horizontal inpakt coupia Direct current alternative current Waveform sintii ground DC AC GND interpolation Input impedance 1 2 MQ connect with 20 3PF Record length 3 5M in parallel Storage depth 12K Probe attenuation coefficient setting 1X 10X 100X 1000X Scanning sope S div 10ns div 50s divWith 1 2 5 system Maximum input voltage 300V DC AC peak value input impedance 1MQ Time delay in channel typical 50ps Acquisition rate and delay time accuracy 50ppm any time interval 21ms Time interval AT measure accuracy full bandwidth Single 1 sampling time interval 50ppm X reading 0 6ns gt 16 average value 1 acquisition time interval 50ppm X reading 0 4ns 85 86 UTD1000L User Manual Vertical Analogue digital transformer A D 8 bit resolution V div Deflection coefficient V div scope 5mV div 20V div at the input BNC port Shift sope 5mV div 100mV div 1 2V 200mV div 1V div 24V 2V div 20V div 240V Analogue bandwidth 25MHz Single bandwidth 25MHz Low frequency response AC coupling 3dB lt 10Hz at the input BNC port Rise time lt 14ns DC current gain accuracy Vertical sensitivity is 5mV div 4 acquisition or average value acquisitio
66. s Measurement of All Parameters To measure all parameters automatically under the following steps 1 Press key MEASURE to show parameter measurement menu 2 Press key F1 the screen shall display measuremen results of all parameters FWIDTH 4 WIDTH Jc po uuma Clear Picture 4 17 Measurement of All Parameters 26 UTD1000L User Manual Customization Parameter Measurement To measure all customization parameters automatically under the following steps 1 Press key MEASURE to show customization parameter menu 2 Press key F2 the screen shall display measurement parameters for choice 3 Press key up down left right to select type of parameter being measured marked by complement color 4 Press key SELECT to confirm the parameter shall display on the screen automatically with set maximum of 4 measuremnt parameters 5 Press key F2 to close customization parameter menu UTD1000L User Manual Picture 4 18Customization Parameters Menu Smooth Waveform by Average Treatment To smooth waveform under the following steps 1 Press key menu 2 Press key average ACQUIR to show acquisition mode F1 to select acquisition mode as 3 Press key right left to select average frequency as 16 and measurement results shall display 16 times in average 41 gt Ac
67. scope apparatus series product e Before using check if any mechanic damage to the multimeter test pen oscilloscope probe and accessories and please replace it if any damage were found To remove all unused test pen probe an accessories e To insert adapter into the AC socket and connect it with the oscilloscope In measurement in the CATIII ambient don t connect the voltage higher than 300V with the oscilloscope input port and don t connect the voltage higher than 600V with the multimeter input port in the CATIII ambient UTD1000L User Manual In measurement in the CATIII ambient don t connect the voltage with voltage difference higher than 300V with the oscilloscope input port and don t connect the voltage with voltage difference higher than 600V with the multimeter input port in the CATIII ambient Don t use the input voltage higher than apparatus rating value Use accessories attached with the product and cease using it if any damage to it e Don t plug any metals into the socket Use the oscilloscope with the designated method e The voltage rating value mentioned in the Warning information is the limit value of adapter Working Voltage they represent the Vrms 50 60Hz of AC sine wave in use Maintenance shall be conducted only by qualified techinicians Pay attention to all terminals rating value to avoid fire or electric shocking please pay attention to all rating values and marks
68. st address as 1 4 Press key F4 to select callback screen will display loading after successful callback indicating Load Success 5 Press key F1 record 6 Press key F2 again to select menu function as to play automatically the callbacked waveform and press key F3 manual play with left right key to stop it to UTD1000L User Manual Picture 6 24 Recorded waveform playback Storage Fun ction To store wavefom under the following steps 1 Press key SHIFT appear on th 2 Press key e right STORAGE and character shift will upper corner of screen to enter into waveform storage setting menu UTD1000L User Manual In the storage memu set as follows Table 6 13 Function menu Set Instruction Setting Store sets in oscilloscope Type present menus wave Store waveform of channel Location 1 20 Select storage position with left right key Save as the former selected BRE mu operationswith left right key Freq 1 04163kHz Position 0 03div Load Callback saved apparatus appear below 1 20 configuration parameters set menu in the set menu Callback Function ress key REF to enter into reference waveform callback set menu for waveform callback Picture 6 26 Waveform storage menu 69 70 Picture 6 27 Reference Waveform
69. under the following steps 1 Press key and the menu shall display measurement type DC current measurement unit pA to select different range UA mA A with the key F3 the fault range is mA 2 Insert blace table pen into COM banana socket input port and red one into uA mA banana socket input port 3 Connect the red and blace table pen with the measured point and the screen shall display the DC current value of the measured point Picture 5 7 Measurement of DC Current Lower Than 4mA To measure DC current lower than 400mA under the following steps 1 Press key l jand the menu shall display measurement type DC current 2 Press key F3 to setrange as mA and the measurement unit shall be mA 3 Insert blace table pen into COM banana socket input port and red one into pA mA banana socket input port 3T 4 Connect the red and blace table pen with the measured point and the screen shall display the DC current value of the measured point 97 o o oc t V UE QUE LUE nA Picture 5 8 Measurement of DC Current Lower Than 400mA To measure DC current higher than 400mA under the following steps 1 Press key l and the menu shall display measurement type DC current 2 Press key F3ito set range as A and the measurement unit shall be A 3 Insert 10A CURRENT DIVIDER into current 38 UTD1000L User Manu
70. xample 2 to display channel peak peak value amplitude under the following steps 1 Press key MEASURE to open parameter measurement menu 2 Press key F2 to open customization parameter selection box 3 Press up down left right key to select peak peak value parameter 4 Select peak peak value parameter and to press key SELECT to confirm a dot shall appear before the peak peak value in the customization parameter selection box indicating the parameter has been customized and will appear on screen concurrently 5 Same to the above operation press up down left right key to select amplitude parameter 6 Press key SELECT to confirm a dot shall appear before the amplitude paramters UTD1000L User Manual indicating the parameter has been customized successfully and will appear on screen concurrently 7 Press to close customization parameter selection box Then peak peak value and amplitude parameter shall appear on the right upper part of screen as shown in the following picture HIDTH WIDTH Duty Picture 6 17 Peak Peak Value Parameter Customizations UTD1000L User Manual TRIGED Freq 00300kHz TRIGED Freq100300kHz Pk Pk Middle Freq FWIDTH WIDTH Duty Picture 6 18 Amplitude Parameter Customizations Picture 6 19Amplitude Parameter Customizations Notes Designated parameters are used for quick parameter

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