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UTD2000 3000共用英文说明书20120823.cdr

1. Function menu Setup Description Setup To select panel setup menu Operation setup to save 20 groups of panels To select by multi Setup of storage position 1 20 purpose knob in upper part of front panel Position and quantity vary with machine model Save Storage setup Recall Callout setup 53 Operating Manual for UTD2000 3000 3 As shown in Form 2 19 please select bitmap for entry into bitmap storage menu Remark This function can not be called out until plugging in U disk Form 2 19 Bitmap storage menu Function menu Setup Description Bitmap Select bitmap menu Storage position 4 200 200 bitmap data can be saved by selecting multi purpose knob in upper part of front panel It is 1 to 10 for UTD2000C series Save Save bitmap data Off M 500us Figure 2 26 Bitmap storage 54 55 Setup of auxiliary functions As shown in following figure UTILITY in MENU control area is function key oO SELECT coarse MULTI PURPOSE MEASURE ACQUIRE STORAGE OF MEASURE ACQUIRE STORAGE CURSOR DISPLAY UTILITY AUTO CURSOR DISPLAY UTILITY PUSH SELECTED Figure 2 27 Function key and function of sampling User can press UTILITY key to pop out setup menu of auxiliary system function Form 2 20 the first page Operating Manual for UTD2000 3000 Function menu Setup Description Execution To carry out s
2. interface analog signal input 5 7 inch front panel of UNI T Operating Manual for UTD2000 3000 multi purpose common Operation knob controller menu controls N LINI T UTD2102CEX 100MHz 1GS s DIGITAL STORAGE OSCILLOSCOPE SR RUN D jweasunel ffaccure sroracel f gun O ao fo four fare HORIZONTAL TRIGGER VERTICAL F1 POSITION ne 4 POSITION gt A LEVELY OTT trigger control horizontal control Lo HORI SET MENU TOZI TRIG ERO MENU 5 10 BOB SCALE Q Sns SEC DIV 2 vertical control FORCE HELP EXT TRIG E probe compensation signal output interface 7 inch front panel of UNI T EXT TRIG INPUT analog signal input Operating Manual for UTD2000 3000 display of horizontal trigger position display of trigger status time display of central scale line CHI Coupling rare Stee Caeser I leenen ee Di mark of M vat ERE Meee neni sieaa TREET gt BY Limit enu varies with channel 1 ae _ differe
3. Ch2 Off M 100 15 Figure 2 1Jammed DC component of signal Operating Manual for UTD2000 3000 Note Input signal still shall be connected to channel circuit under such mode although waveform is not Ground coupling setup M 100j1s Ch2 Off Figure 2 3 Synchronous obstruction of DC and AC components of signal 2 Setup of channel bandwidth limit Input one sine signal of about 40MHz for CH1 as an example It has to press CH1 to open CH1 channel then press F2 to set bandwidth limit to OFF Channel band width is full band width to pass through high frequency components contained by measured signal Waveform display is also shown in following figure Bandwidth suppression 20MHz EEEF LEELEE TE LELLEEETEEET ELEELE TA TELLELEEETIT CLIT M 5 00ns Bandwidth suppression icon Figure 2 4 Waveform display when closing bandwidth limit Please press F2 to set band width limitation to ON for great attenuation of high frequency component and noise of more than 20MHz contained by measured signals Waveform display is also shown in following figure Close bandwidth limit Ch2 Off H 5 00ns Figure 2 5Waveform display when opening bandwidth limit 19 Operating Manual for UTD2000 3000 3 Setup of multiplying factor for probe It has to set probe attenuation coefficient in operation menu of channel to coordinate with attenuation coefficient setup of probe Probe coefficient in chann
4. To open extension time base Hold off To adjust inhibition time 40 41 M 100 15 Figure 2 17 Hold off used for synchronization of complex waveform Operation Description 1 To select edge trigger source and gradient shown in TRIG MENU according to synchronization mode of normal signal then adjust trigger level for stable waveform display as practicable as possible 2 To press HORI MENU key to display horizontal menu 3 To adjust multi purpose knob in upper part of panel to alter inhibition time for stable waveform Operating Manual for UTD2000 3000 display as practicable as possible Term explanations 1 Trigger source To gain trigger from many kinds of information sources namely input channel CH1 amp CH2 external trigger EXT amp EXT 5 and municipal power E Input channel The most common trigger information source is optional input channel Selected one is used as channel of trigger information source for normal operation regardless of input display E External trigger Such trigger information source can be used for trigger on the third information channel during synchronous data acquisition on 2 channels For instance signals from external clock or circuit to measure can be used as trigger information source EXT and EXT 5 trigger sources shall use external trigger signals Operating Manual for UTD2000 3000 connected to EXT TRIG interface Signal can be use
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6. UTD2000 3000 series oscillograph automatically are as follows Peak value Vpp Voltage from the highest waveform point to the lowest waveform point The maximum value Vmax Voltage from the highest waveform point to GND ground The minimum value Vmin Voltage from the lowest waveform point to GND ground Middle value Vmid Half of sum of waveform top and bottom voltage Amplitude Vamp Voltage from waveform top to bottom Middle value Vmid Half of sum of waveform top and bottom voltage Top value Vtop Voltage from flat waveform top to GND ground Bottom value Vbase Voltage from waveform bottom to GND ground Overshoot Ratio of difference of the maximum waveform value and top value and amplitude Preshoot Ratio of difference of the minimum waveform value and bottom value and amplitude Average value Average amplitude of signals within acycle Root mean square Vrms It is effective value Root mean square refers to DC voltage of converted energy within 1 cycle according to AC signal to correspond to equivalent energy 62 63 Automatic measurement of time parameters UTD2000 3000 series oscillograph can measure signal frequency cycle ascending time descending time positive pulse width negative pulse width delay of 9 combinations positive duty cycle negative duty cycle and 10 time parameters automatically Definitions of such time parameters are as follows RiseTime It refers to pe
7. frequency inhibition is to set a high pass filter to filter low frequency signal component of less than 80kHz and allow pass through of high frequency signal component High frequency inhibition is to set a low pass filter to filter high frequency signal component of more than 80kHz and allow pass through of low frequency signal component It can be set to inhibit low frequency or high frequency Operating Manual for UTD2000 3000 noise respectively to gain stable trigger 4 To reduce display noise by setting sampling modes To adopt average sampling mode to eliminate display of random noise to thinner waveform and facilitate observation amp measurement if waveform is thickened by overlapping random noise to measured signal Signal details can be observed conveniently by reduced random noise after gaining average value Detailed operation is as follows To press ACQUIRE button in panel menu area to display sampling setup menu To press F1 key as menu operation key to set obtainment mode to average status As shown in following figure please adjust average times by pressing F2 key as menu operation key with step from 2 to 256 by multiples of 2 so that waveform display can meet observation amp test equirements Operating Manual for UTD2000 3000 Figure 3 5 Inhibited signal noise To reduce display noise by reducing waveform brightness Note Average sampling mode can be used to slow down updating speed for waveform di
8. Indicators Unless otherwise specified all technical dimensions are appropriate to probes by setting attenuation switch to 10 and UTD2000 3000 series digital storage oscillograph Digital storage oscillograph must meet 2 conditions as follows to meet such dimension standards Minstrument must operate under regulated operation temperature for more than 30 minutes continuously Be sure to open system function menu and execute self correction procedure if variation scope of operating temperature reaches or exceeds 5 C All dimensions shall be guaranteed except dimension with typical pattern Operating Manual for UTD2000 3000 Technical Indicators Sampling Sampling mode Real time Equivalent UTD2000C 3000C 500MS s 25GS s Sampling UTD2000E 3000E 1GS s 50GS s ii UTD2052CL 500MS s 25GS s UTD2052CEX UTD2102CEX 1GS s 50GS s Average N can be selected from 2 4 8 16 32 64 128 and 256 after sampling all channels for value N times at the same time Note Real time sampling rate is 250MS s without equivalent sampling for UTD2025C UTD3025C and UTD2025CL 92 Operating Manual for UTD2000 3000 Input Input coupling DC AC GND UTD2000C 3000C 142 MQ for parallel connection to 24 3pF UTD2000E 3000E 142 MQ for parallel connection to 244 3pF Input impedance for machine model of at most 100MHz 1 2 MQ for parallel connection to21 3pF for machine model of 150MHz to 200MHz UTD200
9. OFF Off M 200 15 Figure 2 19 Waveform without adopting Acquire Mode Average Averages 2 Sampling Real time Fastdcq OFF Off M 200 15 Figure 2 20 Waveform by adopting 32 times of average mode Note 1 Please select real time sampling mode for observation of single signal 2 Please select equivalent sampling mode for observation of high frequency periodic signal 3 Please select peak value detection mode to avoid mixed signal envelope Please select average sampling mode with step of multiples of 2 for average value to reduce random noise of displayed signal Average times can be selected form 2 to 256 46 47 Operating Manual for UTD2000 3000 Term explanation Real time sampling It refers to data required for once acquisition Equivalent sampling It refers to repeated sampling mode It can facilitate careful observation of repeated periodic signals It can be adopted to gain horizontal resolution which is higher than real time sampling resolution greatly Sampling mode It can be classified into equivalent and real time modes Peak value detection mode Digital storage oscillograph will find out the maximum and minimum input signals within every sampling interval for waveform display by using such values under such obtainment mode It can also obtain and display narrow impulse or they may be omitted for larger noise under such mode Average mode is as follows Digital storage oscillogra
10. SCALE knob in horizontal control area so as to gain clear waveform display M 50 0us Figure 3 8 Trigger of video field Trigger of video row Please operate according to following steps for trigger in video row 1 To press MENU button in trigger control area to display trigger area 2 To press F1 key as menu operation key to select video 3 To press F2 key as menu operation key to set trigger source to Ch1 4 To press F3 key as menu operation key to select video standard of PAL 5 To press F4 key as menu operation key to select synchronization to designated row 6 To rotate multi purpose knob controller for trigger in any row 7 To adjust horizontal time base by rotating horizontal SCALE knob in horizontal control area so as to gain clear waveform display 82 trigger source synchronization designated row designated row M 50 05 Figure 3 9 Trigger of video row Pass Faillnterface Schematic Rear panel of Pass Fail output 83 Operating Manual for UTD2000 3000 The eighth example Pass Fail detection It has to check if input signal is within rule scope or not Fail refers to out of scope and Pass refers to within the scope Pass Fail signal can be shown by output port of the rear panel 1 To press UTILITY button then press F2 Enter into Pass Fail menu 2 Setup of information source Enter into Pass Fail menu then press F2 to select information source 3 Template setup To
11. adjacent sampling points during vector display Only sampling points will be displayed for point display 49 Operating Manual for UTD2000 3000 Storage and callout Operation steps As shown in following figure STORAGE in MENU Please press STORAGE Enter into type menus control area is function key of storage system There are 3 types namely waveform setup and bitmap aa 13 m fer eae E33 2 Please refer to Figure 2 16 for selection of type waveform and entry into following waveform COARSE CURSOR DISPLAY UTILITY storage menu Please call out REF reference waveform shown in the second page from Section MULTI PURPOSE re roa 2 of the chapter after saving waveform RUN 9 A eee a sien Form 2 16 Waveform storage menu the first page gt PUSH SELECTED CURSOR DISPLAY AUTO Figure 2 22 Function key storage for sampling system STORAGE key can be used to display storage setup menu You can save oscillograph waveform or setup status to internal storage area or U disk to call out saved waveform by RefA or RefB or call out setup status by STORAGE key Waveform display area of oscillograph can be saved to DSO contents in U disk in a form of bitmap Saved bitmap can be read by PC computer 50 51 Operating Manual for UTD2000 3000 Form 2 16 Function menu Setup Description Type Waveform Select waveform storage and callout menu Information source CH1 Select waveform from CH1 channel CH2 Selec
12. capture abnormal pulse by setting pulse width conditions Form 2 8 the first page Function menu Setup Description Type Pulse width CH1 To set CH1 as trigger signal of information source baie CH2 To set CH2 as trigger signal of information source ses ectiono EXT To set EXT TRIG INPUT channel as trigger signal of information source information EXT 5 To divide outer trigger source by 5 to expand outer trigger level scope Source Municipal power To set municipal power for trigger Alteration ALT TRIG of CH1 and CH2 signals i More than To trigger when pulse width exceeds set value Pulse width i whined f diti Less than To trigger when pulse width is less than set value conten Equal to To trigger when pulse width is equivale Pulse width To set pulse width of 20ns to 10s then regulate by multi purpose knob in setup upper part of front panel Next page Enter into next page 1 2 34 35 Form 2 9 the second page Type Pulse width Positive pulse width Trigger polarit SUSEP Negative pulse width Automatic l Normal Trigger mode Trigger coupling High frequency inhibition Operating Manual for UTD2000 3000 To set positive pulse width as trigger signal To set negative pulse width as trigger signal The system will acquire waveform data automatically and display scanning base line on the screen without trigger signal input It will convert to trigger scanning automatically when
13. display A Elementary understanding of vertical system A Elementary understanding of horizontal system A Elementary understanding of trigger system Operating Manual for UTD2000 3000 General inspection Please know front operation panel firstly after getting UTD2000 3000 series digital storage oscillograph The chapter is to introduce operation and functions of front panel for UTD2000 3000products so as to be familiar with usage within the shortest period 5 keys in a row in the right side of display panel are menu operation keys They are defined as F1 to F5 keys from top to bottom You can also set different options for current menu by them Other keys are function keys You can enter into different function menus or gain specific function application directly by them Operating Manual for UTD2000 3000 multi purpose common Operation knob controller menu controls UNI T UTD2102E 100MHz1GS s DIGITAL STORAGE OSCILLOSCOPE SS coarse cursor r m BY trigger control Position POSITION eT F 0 SA QO OF horizontal control vertical control O amelie C EXT TRIG Pea aN oe Ox probe compensation signal output EXT TRIG INPUT
14. function As shown in following figure user can press F1 menu key of STORAGE main menu to select storage type of bitmap after plugging in U disk and successful connection of oscillograph User can rotate multi function knob to select saved bitmap No Saved bitmap in U disk with BMP format can be read out by computer directly WM 500s Figure 3 14 Bitmap storage Operating Manual for UTD2000 3000 4 PrtSc copy amp storage function There is 1 PrtSc key in upper left corner of the screen for UTD2000L 2000EX series of oscillograph User can press the key for screen copy after plugging in U disk Displayed image can be saved in U disk by way of BMP format Ch2 Off M 500s Figure 3 15 Screen copy Chapter 4 System Prompt and Troubleshooting Introduction to System Prompt Regulation to the extreme It prompts that multi purpose knob has been regulated to the greatest extent under current status and continued adjustment is not allowed The prompt will display when regulating vertical deflection coefficient switch time base switch X displacement vertical displacement and trigger level to the terminal Successful connection of U disk The prompt will display on the screen after connecting U disk to digital storage oscillograph and correct connection Plug out of U disk The prompt will display on the screen when plugging out U disk from digital storage oscillograph Saving The prompt will display
15. not less than 20ns Trigger Trigger sensitivity lt 1div Internal 5div away from screen center Trigger level scope EXT 3V EXT 5 15V Typical precsion of trigger Internal 0 3div X V div within scope of 4div from screen center oe ee g EXT 6 of set value 4omv EXT 5 6 of set value 200mV Pre trigger ability Normal mode scanning mode pre trigger delay trigger with adjustable pre trigger depth Inhibition scope UTD2000C 3000C UTD2000E 3000E 100ns 1 5s UTD2000L 2000EX 80ns 1 5s Typical level set to 50 Operation if frequency of input signal is not less than 50Hz Edge trigger Edge type Ascend descend ascend amp descend while UTD2000C has no ascend amp descen function Pulse width trigger Trigger mode To be more than less than or equivalent to positive negative pulse width Pulse width scope 20ns 10s UTD2025 3025 40ns 25s 98 Operating Manual for UTD2000 3000 Video trigger Trigger sensitivity Internal Peak value of 2div typical video trigger EXT 400mV EXT 5 2V Signal system and row field frequency video To support standard NTSC and PAL Scope of row quantity is 1 525 NTSC and 1 625 PAL trigger type ALT TRIG CH1 trigger Edge pulse width and video CH2 trigger Edge pulse width and video Notex UTD2052CL and UTD2052CEX 2102CEX has no EXT 5 function and video trig
16. off oscillograph then open it to fulfill updating procedure Note 1 Please wait for updating for several minutes 2 Itis not allowed to power off oscillograph or plug out U disk during updating to avoid updating failure or unforeseenable error 3 Please power off oscillograph then open it for re updating after updating failure 84 85 The tenth example Usage of storage function Storage functions of oscillograph include setup storage waveform storage bitmap storage and specific screen copy function of UTD2000L 2000EX series of oscillograph 1 Setup of storage function It has to select display channel trigger channel vertical and horizontal gears of oscillograph for setup Please press STORAGE key to select torage type of setup by pressing F1 key As shown in following figure it has to select position to save by multi function button then press F3 for saving Operating Manual for UTD2000 3000 storage position 2 M 500s Figure 3 10 Saving setup interface It can be tested directly during next test after saving setup to reduce re setup process UTD2000C series of oscillograph can save 10 kinds of setup while UTD2000E and UTD2000L 2000EX series of oscillograph can save 20 kinds of setup Operating Manual for UTD2000 3000 2 Waveform storage function UTD2000 series of oscillograph can provide waveform storage function User can press STORAGE key and F1 key to select storage type of wavef
17. on the screen with schedule bar below it when saving waveform 88 89 Loading The prompt will display on the screen with schedule bar below it when calling out waveform Troubleshooting 1 Please operate according to following steps for black panel without display for digital storage oscillograph after pressing power switch To check if power plugs are connected with normal power supply or not To check if power switch is connected or not To start up the instrument again after above inspection Please contact UNI T for service if the product still can not be used normally 2 Please operate according to following steps if there is no signal waveform in the image after signal acquisition To check if probe is connected to signal connection wire or not normally To check if signal connection wire is connected Operating Manual for UTD2000 3000 to BNC namely channel connector or not To check if probe is connected to articles to measure or not normally To check if signals are produced or not for articles to measure Channels with signal and those with any problem can be connected to find out reasons To acquire signals once again 3 Measured voltage amplitude is 10 times larger or smaller than actual value It has to check if channel attenuation coefficient is consistent with attenuation multiple of used probe or not 4 With instable waveform display To inspect setup of trigger sou
18. resolution of 320 X 240 or 800 x 480 e To support plug and play USB storage instrument to communicate with computer e Automatic waveform and status setup e Waveform setup bitmap storage waveform and setup reoccurrence e Elaborate view window extension function for delicate analysis of waveform details and profile e Automatic measurement of 28 kinds of waveform parameters e Automatic cursor tracing and measurement function e Unique waveform recording and playback functions e Embedded FFT e Multiple mathematical calculation functions including X for waveform e Edge video pulse width and ALT TRIG functions e Multi language menu display Fittings of UTD2000 3000 series digital storage oscillograph e 2probes of 1 2m 1 1 10 1 please refer to manual of probe Fittings of probe details so as to meet EN61010 031 2008 standard Operating Manual for UTD2000 3000 e 1 power wire to meet national standards e 1 Operating Manual e 1 Product Warranty USB connecting wire UT D0O6 or UT D05 Communication control software for UTD2000 3000 series oscillograph Operating Manual for UTD2000 3000 Contents Item General Safety Overview Preface Chapter 1 User Guideline General Inspection Function Inspection Probe Compensation AutomaticSetup of Waveform Display Elementary understanding of Vertical System Elementary understanding of Horizontal SySteM cccccsseeeeesstee
19. window Vertical gear of volt grid can be altered by rotating vertical scale knob to show corresponding variation for channel gear display which corresponds to status bar User can press CH1 CH2 MATH and REF to display operation menu mark and waveform and gear status information of corresponding channels Operating Manual for UTD2000 3000 Users can also press OFF key to close currently Elementary understanding of horizontal system selected channels for UTD2000C 3000C and As shown in following figure there is 1 key and 2 UTD2000E 3000E oscillograph They can also knobs in horizontal control area Please be familiar click on CH1 CH2 and MATH keys twice to close with setup of horizontal time base gradually as corresponding channels for UTD2000L 2000EX follows oscillograph Horizontal control Horizontal control panel of 5 7 inch panel of 7 inch Figure 1 10 Horizontal control area on the panel Operating Manual for UTD2000 3000 1 Use horizontal SCALE knob to alter horizontal time base gear then observe alternation of status information To rotate horizontal SCALE knob to alter s div time base gear so as to show corresponding variation of time base gear display for corresponding channels of status bar Horizontal scanning speed steps from 2ns div 50s div by way of 1 2 5 mode Note Horizontal scanning time base gear varies for UTD2000 3000 series digital storage oscillograph due to differe
20. 00 series digital storage oscillograph preliminarily You should be familiar with setup of digital storage oscillograph by menu operation by introduction shown in previous chapter It is suggested to read Chapter 1 if you have not been familiar with above operation and methods The chapter is mainly to introduce following themes E Set vertical systems of CH1 CH2 MATH JREF JOFF JVERTICAL POSITION and VERTICAL SCALE E Set horizontal systems of JMENU or JHOR MENU JHORIZONTAL POSITION or HORIZONTAL SCALE E Set trigger systems of TRIGGER LEVEL MENU 50 and FORCE E Set sampling mode of ACQUIRE Operating Manual for UTD2000 3000 E Set display mode of DISPLAY E Store and call out for STORAGE E Set auxiliary system of UTILITY E Automatic measurement of MEASURE E Cursor measurement of CURSOR E Use execution buttons of AUTO and RUN STOP It is suggested to read the chapter carefully to know many measurement functions for UTD2000 3000 and system operation method Operating Manual for UTD2000 3000 Setup of vertical system CH1 and CH2 channels and setup Every channel has its own vertical menu Every item can be set individually according to different channels As shown in Form 2 1 the system can display operation menu of CH1 or CH2 channel by pressing CH1 or CH2 function key Form 2 1 Description To obstruct DC component of input signal Coupling To cut off inpu
21. 0L 2000EX 1 2 MQ for parallel connection to 24 3pF Probe attenuation coefficient 1x 10x 100xand 1000x The maximum input voltage 400V DC AC peak value and input impedance of 1M2 Typical delay between channels 150ps 93 94 Operating Manual for UTD2000 3000 Horizontal Waveform interpolation Sin x x Record length Sampling point of 2x512k Storage depth 25k UTD2000C 3000C 2 5k for UTD2025C 3025C 4k Scanning scope UTD2000C 3000C 2ns div 50s div 200MHz 150MHz UTD2000E 3000E 5ns div 50s div 100MHz 80MHz 60MHz and 40MHz 20ns div 50 div 25MHz UTD2000EX 2ns div 50s div UTD2052CEX UTD2102CEX 5ns div 50s div UTD2052CL PID ZOE 10ns div 50s div UTD2025CL Precision of sampling rate and delay time 50ppm for any interval of at least 1ms Measurement precision full band width for interval AT Single mode 1 sampling interval 50ppmxreading 0 6ns gt 16 average values 1 sampling interval 50ppmxreading 0 4ns 95 Operating Manual for UTD2000 3000 Vertical p Analog digital converter A D 8 bit resolution with synchronous sampling for 2 channels Scope of deflection coefficient V div UTD2000C 3000C UTD2000E 3000E 2mV div 5V div in input BNC UTD2000L 2000EX 1 mV div 20V div in input BNC Displacement scope 10div Of which 5div for UTD2202E 3202E Typical optio
22. 2 26 Function measurement item Description Return Return to menu shown in Form 2 25 Return to parameter measurement display menu and Preshoot substitute original position parameter after selection Amplitude he same as above Overshoot The same as above Next page 1 4 Page turning Form 2 27 Operating Manual for UTD2000 3000 Function measurement item Description Previous page Return to previous page Average value Return to parameter measurement display menu and substitute original position parameter after selection Peak value he same as above Root mean square he same as above Next page 2 4 Page turning Form 2 28 Function measurement item Description Previous page Return to previous page Top value Return to parameter measurement display menu and substitute original position parameter after selection Bottom value The same as above Middle value The same as above Next page 3 4 Page turning 65 Operating Manual for UTD2000 3000 Form 2 29 Function measurement item Description Previous page Return to previous page The maximum value Return to parameter measurement display menu and substitute original position parameter after selection The minimum value The same as above Next page 4 4 Return to the first page sh
23. BLACK ae uUTD2000 3000 OPERATING MANUAL Digital Storage ea meen Fed e 1e e e7 HORIZONTAL Introduction Dear users Thank you for purchasing UNI T product To operate the instrument correctly please read this Operating Manual carefully and especially its Safety Notice before use Afer reading it you are suggested to keep the manual properly Please keep it with the instrument together or place it in an accessible location for future use General Safety Overview The instrument is designed and manufactured strictly according to Safety Requirements of Electronic Instruments GB4793 and IEC61010 1 Safety Standard It conforms to Insulation Overvoltage Standard CATII 600V and Safety Standard with Pollution Level II You are expected to know the following Measuring safety precaution measures to avoid personal injury or product damage or any other product connected to it Please use the product according to the regulations so as to avoid the possible damage Only personnel with professional training can execute maintenance procedure to avoid fire or personal injury Appropriate power wires should be used and special power wires must be approved by the state Correct plug in out Please do not plug in out when connecting probe or testing conduits to voltage source Operating Manual for UTD2000 3000 Reliable grounding of products The product is grounded by ground conductor of power sup
24. H1 CH2 CH1 CH2 Select CH1 as recording signal source Select CH2 as recording signal source Select ct CH1 CH2 as recording signal source Operation Record by pressing recording key for synchronous display of recorded quantity in lower part of the screen 1 Playback key 2 Press the key for playback and display of current playback screen No in lower right corner of screen Playback can be stopped by rotating multi purpose knob controller in upper part of panel However waveform of a certain screen can be selected for repeated playback by continuing to rotate it 3 PressWto stop then press gt for playback of all items Stop recording Save 1 200 Save newly recorded waveform for U disk plug in Storage position can be selected by multi purpose knob Recall 1 200 Call out recorded waveform from U disk then select recording position by multi purpose knob Return Return to previous level of menu Operating Manual for UTD2000 3000 Form 2 23 By detection Function menu Setup Description Open Detection status a Open close information of waveform pass fail times CH1 Select CH1 as detected signal source CH2 Select CH2 as detected signal source Information source MATH Select MATH as detected signal source RefA Select RefA as detected signal source RefB Select RefB as detected signal source Pass Output concurrency prompt when detecting waveform pass
25. Operating Manual for UTD2000 3000 l Realization of mathematical calculation function BH Linit Mathematical calculation functions are to show x as wellas FFT calculation results for CH1 and CH2 channel waveform Menu is shown as follows Coupling Volts Div Reverse phase e of waveform Operator Figure 2 9 Setup of reverse phase of vertical eer channel Neel Source Mathematical calculation Figure 2 10 Mathematical calculation 21 Operating Manual for UTD2000 3000 Form 2 2 Introduction to mathematical calculation Function Menu Setup Description Information source Operator Information source 2 k T x gt gt To set information source 1 as Ch1 channel waveform To set information source 1 as Ch2 channel waveform Information source 1 Information source 2 Information source 1 Information source 2 Information source 1 x Information source 2 Information source 1 Information source 2 To set information source 2 as CH1 channel waveform To set information source 2 as CH2 channel waveform Analysis of FFT frequency spectrum Time domain signal can be converted to frequency domain signal when using mathematical calculation of fast Fourier transtable FFT Following types of signals can be observed conveniently by using FFT e Measure harmonic content and distortion within measurement system e Show noise characteristics in DC power e Analyze vibrat
26. Output conditions Pass Halt Output and pause when detecting waveform pass Fail Halt Output and pause when detecting waveform fail Fail Output concurrency when detecting waveform fail Template setup Refer to Form 2 24 for details Enter into template setup menu Return Return to previous menu 58 Form 2 24 Template setup Functionmenu Setup Description Set horizontal and vertical Template output Pass Fail tolerance scope according to adjustment Horizontal 1 200Pixel Set horizontal tolerance scope Vertical 1 100Pixel Setvertical tolerance scope Return to Pass detection Return menu 59 Key note Key note Self correction Self correction procedure is to correct measurement error caused by digital storage oscillograph due to ambient variation You can operate the procedure according to demand Please open power of digital storage oscillograph then wait for instrument pre heating for 30 minutes for more correct calibration Please press UTILITY key as an auxiliary function for operation Operating Manual for UTD2000 3000 according to prompt shown in the screen Language selection There are many kinds of languages for UTD2000 3000 series digital storage oscillograph Please press UTILITY menu button and select appropriate language Operating Manual for UTD2000 3000 Automatic measurement As shown in following figure MEASURE is automatic measurement f
27. RUN STOP button for waiting The machine will trigger automatically and record waveform before and after trigger during burring Horizontal POSITION knob in horizontal Operating Manual for UTD2000 3000 control area on the panel can be rotated to alter horizontal trigger position so as to gain negative delay trigger with different length to facilitate observation of waveform before burring Coupling Ch2 Off M 5 00s T Figure 3 3 Single signal The fourth example To reduce random noise of the signal You can adjust setup of digital storage oscillograph for overlapping of random noise to tested signal so as to filter or reduce noise and avoid disturbance to ontology signal during measurement Please refer to following figure for waveform Acquire EEEE TEELEN O TEEN Sampling Real time Fasthog OFF Figure 3 4 To reduce random noise of signals Operation steps are as follows 1 As shown in previous example please set attenuation coefficient of probe and CH1 channel 76 77 2 To connect signals for stable waveform display on digital storage oscillograph Please refer to previous example for operation Please refer to previous chapter for adjustment of horizontal time base and vertical gear 3 To improve trigger by setting trigger coupling 1 To press MENU button in trigger area to display trigger setup menu 2 To set trigger coupling to low frequency inhibition or high frequency inhibition Low
28. cending descending edge of input signal when selecting edge trigger Form 2 7 32 Operating Manual for UTD2000 3000 Functionmenu Setup Descripton p type edge SP O OCOCOCOCOCSCSC C SCTTTC CH1 Set CH1 as trigger signal of information source CH2 et CH2 as trigger signal of information source Selection of EXT Set EXT TRIG INPUT channel as trigger signal of information source information source EXT 5 Divide outer trigger source by 5 to expand outer trigger level scope Municipal power Set municipal power trigger Alteration ALT TRIG of CH1 and CH2 signals Ascend Set ascending edge trigger for signal Gradient Descend Set descending edge trigger for signal Ascend descend Set ascending descending edge trigger of signal Automatic Set waveform acquisition without detecting trigger conditions Normal Set waveform acquisition after meeting trigger conditions Single Set sampling of a waveform and shutdown after detecting once trigger Trigger mode AC Obstruct DC component of input signal DC Pass through AC amp DC components of input signal High frequency Inhibit high frequency components of more than 80kHz for signal Trigger coupling inhibition Low frequency Inhibit low frequency components of less than 80kHz for signal inhibition 33 Operating Manual for UTD2000 3000 Pulse width trigger Trigger time shall be determined for pulse width trigger according to pulse width You can
29. cillograph as follows Detailed models are shown in the following form Sees J Model Bandwidth Real time UTD2000 3000 Operating Manual for UTD2000 3000 UTD2000 3000 series digital storage oscillograph provides simple front panel with clear functions to users for all basic operations Scale and position of various channels can provide intuitional operation to meet usage habits of traditional instruments Users can use it skillfully without learning and being familiar with operation for along time Users can also press AUTO key directly to accelerate adjustment and facilitate measurement Appropriate waveform and gear setup can be shown on the instrument panel UTD2000 3000 series digital storage oscillograph also has high performance indicators and powerful functions to fulfill measurement tasks quickly besides easy usage Quicker signals can be observed by UTD2000 3000 series digital storage oscillograph by real time sampling of 500MS s or 1GS s and equivalent sampling of 25GS s or 50GS s It can capture and analyze waveform easily by powerful trigger and analysis capacity Users can also observe and analyze signal problems quickly and clearly by clear LCD display and mathematical calculation function We can see that such series of digital storage oscillograph can meet your measurement requirements by following performance characteristics e Double analog channels e High resolution colorful LCD display system with
30. d for EXT and EXT can be used within signal trigger level scope of 3V to 3V It is allowed to select EXT 5 for oscillograph of 5 7 inch screen Outer trigger shall be divided by 5 so that trigger scope can expand to 15V to 15V for trigger of digital storage oscillograph under large signal E Municipal power Such trigger mode can be used to observe signal with regard to municipal power For instance it can provide relationship between lighting equipment and power supply equipment so as to gain stable synchronization 2 Trigger mode It is to determine behavior mode of digital storage oscillograph without trigger event This digital storage oscillograph can also provide 3 triggers namely automatic normal and single trigger modes E Automatic trigger The system will acquire waveform data automatically so as to display scanning base line on the screen without trigger signal input It will convert to trigger scanning automatically for signal synchronization when producing trigger signal Note Without trigger signal is allowed under automatic mode when setting scanning waveform to 5 ms div or less time base E Normal trigger Digital storage oscillograph can not acquire waveform until meeting trigger conditions under ordinary trigger mode Trigger scanning can be produced when producing trigger signal E Single trigger User can press operation button once under single trigger mode for entry and trigger waiting for
31. digital storage oscillograph It will sample and display all acquired waveform then stop after digital storage oscillograph detects once trigger 42 43 3 Trigger coupling Trigger coupling can determine category of signal component conveyed to trigger circuit Coupling types include DC AC low frequency inhibition and high frequency inhibition E Pass through all components of signals under DC mode E Obstruct DC components with signal attenuation to be less than 400Hz under AC mode E Obstruct DC components with attenuation of low frequency component of less than 80kHz under low frequency inhibition mode E Attenuate high frequency components of more than 80kHz under high frequency inhibition mode 4 Pre trigger delay trigger To trigger data acquired in ahead after event Trigger position is often set in the horizontal center on the screen You can observe pre trigger and delay information of 5div or 6div You can also rotate horizontal position to regulate horizontal displacement of waveform and Operating Manual for UTD2000 3000 review more pre trigger details You can observe waveform in ahead of trigger by observing pre trigger data For instance burring reason can be shown by observation and analysis on pre trigger data after capturing burring during circuit startup Operating Manual for UTD2000 3000 Setup of sampling system As shown in following figure ACQUIRE in control area is function key o
32. ear at the same time Cursor position on the screen can be adjusted by multi purpose knob controller User can press SELECT key or multi function knob key to select cursor to adjust Displayed reading is also time or voltage between 2 cursors 2 Tracing mode Horizontal and vertical cursors can intersect to become a crossing cursor Crossing cursor can position on the waveform automatically to adjust horizontal position of crossing cursor on the waveform by rotating multi purpose knob controller Digital storage oscillograph can also display coordinate of cursor point at the same time 3 Measurement value will be displayed in upper right corner of the screen automatically when opening cursor function Operating Manual for UTD2000 3000 Usage of operation key RUN STOP key is in upper right corner of front panel of digital storage oscillograph User can press the key so that green lamp is on to show operation status Red lamp can be on after pressing the key to show stop status SELECT D MEASURE ACQUIRE STORAGE COARSE CURSOR DISPLAY UTILITY MULTI PURPOSE MEASURE ACQUIRE STORAGE CURSOR DISPLAY UTILITY PUSH SELECTED Figure 2 30 Operation stop key Automatic setup As shown in above figure automatic setup is to simplify operation Digital storage oscillograph can adjust vertical deflection coefficient and horizontal time base gear automatically for stable waveform display on the screen according to waveform ampl
33. ection to check if the machine operates normally or not Please operate according to following steps 1 Connect the power supply You can supply power to the machine and voltage is AC 100V to AC 240V Frequency is 45Hz to 440Hz It has to press UTILITY menu and F1 for self correction after power supply 30 minutes after operation of hot machine so that digital storage oscillograph operates under the best status As shown in Figure 1 4 please enter into next page and press F1 to call out ex factory setup Operating Manual for UTD2000 3000 power switc UTD2102CEX 100MH21G5 s DIGITAL STORAGE OSCILLOSCOPE mtrrunrone function button Figure 1 4 Warning Please confirm safety grounding of digital storage oscillograph to avoid dangers 2 Signal access of digital storage oscillograph is double channel input for UTD2000 3000 series digital storage oscillograph There is also 1 EXT TRIG INPUT channel Please connect signals according to following steps As shown in Figure 1 5 connect probe of digital storage oscillograph to CH1 input terminal and set attenuation ratio switch on probe to 10xA Figure 1 5 Setup of attenuation ratio switch on probe In digital storage oscilloscope to set the probe attenuation factor The attenuation coefficient of vertical gear ratio change instruments which makes measurement resultsSetup method of attenuation coefficient of probe is as follows to show ampli
34. eeeeesaes Elementary understanding of Trigger System Chapter 2 Instrument Setup Setup of Vertical System Setup of Horizontal System Setup of Trigger System Page Operating Manual for UTD2000 3000 Item Page Setup of Sampling Syste Mikseri rinise e eect cece eee eea eee E EnA AR 44 Setup of Display SysteMes ciie cok ainiai i dee 48 Storage ANd CallOUts sccccccsssscvecetsecontseataes iaia a 50 Setup of Auxiliary Functions 0 ccccceeeceeceeeeeeeeeeeaeeeeeeeeeceaeeeseaeesecaeeeseaaeeeeaees 55 Automatic Measurement cccceceeeceececeeeeeeeeceeeeeeeeaeeeeeeeeseaaeesneneeesaeeeeeaeeeeaas 60 Cursor Measurement 0 cscceceeceeeeececeeeeeeeaaeeeeeeeeeeeaeeeeeeeeecaeseeeaaeseeaeessaaeeesaees 68 Operation Key ets ectaiate dnda ied ee daitie devi aiden eae 70 Chapter 3 Application Examples 0 cccccccccee ccc eeeeeeeeeeeeeaeeeeeeneeeeeeeeeees 72 Example 1 Measurement of Simple Signals ccceceeeeeeeeeeeeeeeeeeeeeeeneees 72 Example 2 Delay Observation of Sine Signals by Circuit 73 Example 3 Capture of Single Signal cceeeceeeeeeeeeeeeceeeeeaeeeeeeeeeeeeeeeeenees 75 Example 4 Reduction of Random Noise for Signals 76 Example 5 Application Cursor MeaSurement cccccccceecsseeeeeeeeeeeeeeeeeeeeees 78 Example 6 Application of X Y FUNCtION eeceeeeeeceeeeeeeeeeeeeeeeeeeeeeeeeeees 79 Example 7 Trigger of Video Signals ccccceeeeeeeeeeeeeeeee
35. eeenneeeaaee eeseeeetennes 81 Operating Manual for UTD2000 3000 Item Page ExampExample 8 Pass Fail Detection ccccccceceessseeeeeeseseeesesseeeeeeeaas 83 ExampExample 9 Usage of Upgrading Procedure of U disk 05 84 Example 10 Usage of Storage FUN ction eee eeeeeesseeseeeeseeeseesaeeeneeeaes 85 Chapter 4 System Prompt and Troubleshooting ccccssssssseeeeeeeseeeeeeeneees 88 System Prompt Information ssrrsresirsauicisinircniene rnei aei 88 Troubles hNootin Gesina a a a N Eaa 89 Chapters Technical IndicatorS ssssssssssnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnn 91 Appendix A Technical IndiCators cccceceeceee eee ects ee eee ese eaeeeeeeeeeas 91 Appendix B Fittings of UTD2000 3000 Series Digital Storage Oscillograph 494 Appendix C Maintenance and Cleaning Maintenance ccceseeeeeeees 105 Chapter 1 User Guideline UTD2000 3000 series digital storage oscillograph is a small and handy desktop product Basic test can be done by providing convenient front panel to facilitate operation for users UTD2000 3000 series are to provide simple front panel with clear functions to users for basic operation Panel also includes knob and function key Knob functions are similar to those of other digital storage oscillograph The chapter is to show execution of following steps A General inspection A Function inspection A Probe compensation A Automatic setup of waveform
36. el menu shall be set to 10x if probe attenuation coefficient is 10 1 It has to analogize to guarantee correct voltage Volt grid gears of vertical deflection coefficient can be divided into coarse tuning and fine tuning Please refer to following figure for setup and vertical gear when using 10 1 probe er Coupling BY Limit An E Volts Div Probe DA attenuation D coefficient Invert Ch2 Off M 100s Figure 2 6 Probe attenuation coefficient shown in channel menu Operating Manual for UTD2000 3000 4 Regulation setup of vertical volt grid Volt grid scope is 2mV div 5V div or 10V div or 1mV div 20V div with step by way of 1 2 5 Deflection coefficient shall be altered within current vertical gear scope by less step during fine tuning so as to realize uninterrupted and continuous adjustment of vertical deflection coefficient within all vertical gears Coupling BW Limit Setup of ine tuning Figure 2 7 Coarse tuning and fine tuning of vertical deflection coefficient 5 Setup of reverse phase of waveform Reverse phase of waveform Itis to show overturning degree of phase location of displayed signals Please refer to Figure 2 8 for waveform without reverse phase Please refer to Figure 2 9 for waveform with reverse phase Coupling BW Limit Volts Div Without iope reverse phase Figure 2 8 Setup of reverse phase of vertical channel or without reverse phase 20
37. elf correction Self correction Cancel To cancel self correction and return to previous page Please refer To set waveform Pass Fail Only UTD2000E 3000E B f y detection to Form 2 23 UTD2025C 3025C and UTD2025CL have this function Waveform Please refer Set waveform recording recording to Form 2 22 operation Language Multilanguage Select interface language Operating Manual for UTD2000 3000 Form 2 21 1 the second page Function menu Setup Description Fast correction ON OFF Activate inactivate fast correction function of channels within scope of 2mV div to 10 mV div Only UTD2025C 3025C has this function Interface style The first style The secondstyle The third style The fourth style Set 4 interface styles for digital storage oscillograph Gridding brightness 1 100 Adjust gridding brightness of the screen by multi purpose knob UTD2000C 3000C also has no this function bay page S Enter into next page Form 2 21 2 the third page Function menu Description System information Display information of current oscillograph system Frequency meter Activate inactivate function of frequency meter The first page 3 3 Return to the first page 56 57 Form 2 22 Waveform recording menu Operating Manual for UTD2000 3000 Function menu Setup Description Information source C
38. f sampling system COARSE CURSOR DISPLAY UTILITY MULTI PURPOSE MEASURE ACQUIRE STORAGE CURSOR DISPLAY UTILITY AUTO PUSH SELECTED Figure 2 18 Function key of sampling system User can use ACQUIRE key to pop out sampling setup menu so as to adjust sampling mode by control button shown inthe menu 44 Form 2 14 Sampling menu Operating Manual for UTD2000 3000 Function menu Setup Description Obtainment mode Sampling Peak value detection Average Activate ordinary sampling mode Activate peak value detection mode Set average sampling mode and display average times Average times Set average times for step by multiples of 2 namely 2 4 8 16 2 256 32 64 128 and 256 As shown in Figure 2 18 average times can alter by pressing left multi purpose knob Sampling mode Real time Set sampling mode to real time sampling mode Equivalent Set sampling mode to equivalent sampling mode Acquire by higher screen refreshing rate to reflect dynamic Fast acquisition ON effect of waveform excellently Close fast acquisition 45 Operating Manual for UTD2000 3000 It has to observe waveform display variation by altering obtainment mode Please refer to Figure 2 19 and 2 20 for sampled waveform display if signal contains large noise when adopting 32 times of average mode or without adopting average mode Acquire hode Sample Sampling Real time Fasticq
39. ger function 99 Operating Manual for UTD2000 3000 Measurement Voltage difference AV between cursors Manual mode Time difference AT between cursors Cursor Reciprocal of AT 1 AT Tracing mode Voltage and time of waveform point Itis allowed to display cursor during automatic measurement Peak value amplitude the maximum value the minimum value top value bottom value Automatic middle value average value root mean square overshoot preshoot frequency cycle measurement RiseTime DescendTime positive pulse width negative pulse width positive duty cycle negative duty cycle and delay Mathematical operation a a a Stored waveform UTD2000C 3000C 10 groups of waveform and 10 kinds of setup UTD2000E 3000E UTD2000L 2000EX 20 groups of waveform and 20 kinds of setup FFT Window Hanning Hamming Blackman Rectangle Sampling point 1024 points ao Phase location Lissajous s figure difference 3 degrees 100 Operating Manual for UTD2000 3000 Trigger frequency meter Reading resolution 6 bit Trigger sensitivity lt 30Vrms Typical precistion 51 ppm 1 word General technical dimension Display UTD2000C 3000C UTD2000E 3000E UTD2000L 2000EX Display type Diagonal with diagonal of 145mm 5 7 inches Diagonal with diagonal of 178mm 7 inches Display resolution 320 horizontal x RGBx240 vertical pixel
40. he first example Steps are as follows if displaying measured peak value of CH2 channel in F1 area 1 To press F1 key Enter into measurement category selection menu 2 To press F2 to select CH2 3 To press F3 to select voltage 4 To press F5 shown in the second page 2 4 to see that F3 position is peak value 5 To press F3 to select peak value and return to parameter measurement display menu automatically Peak value is displayed in F1 area onthe homepage of measurement menu Operating Manual for UTD2000 3000 The secondexample Setup of delay measurement Delay measurement function is used for interval between ascending edges of 2 information sources namely interval from ascending edge of the first cycle of a certain information source to that of the first cycle of additional information source Measurement steps are as follows 1 To refer to above example and select area displayed by delay measurement value after entering into measurement menu shown in 3 3 page of time category 2 To select reference information source of CH1 then select delay information source of CH2 3 To select reference information source of CH1 then select delay information source of CH2 4 To press F5 to confirm that delay measurement is displayed in selected area Operating Manual for UTD2000 3000 Automatic measurement of voltage parameters Voltage parameters which can be measured by
41. if main axle of ellipse is within Quadrant l or III Calculated value is within 5 T or m20 if main axle of ellipse is within Quadrant Il or IV Additionally frequency and phase location relationship between 2 signals can be calculated according to figure if frequency or phase location difference of 2 measured signals is integral multiple 80 81 10 Form of X Y phase location difference Frequency Phase location difference ratio of signal 0 45 90 180 270 360 1 1 S O O O P Operating Manual for UTD2000 3000 The seventh example Trigger of video signal Video trigger function can be used for all modes except UTD2000L 2000EX series Of which UTD2025CL has video trigger function It has to adopt video trigger to gain stable video output signal display for observation of a certain video circuit Trigger of video field Please operate according to following steps for trigger in video field 1 To press MENU Jbutton in trigger control area to display trigger menu 2 To press F1 key as menu operation key to select video type 3 To press F2 key as menu operation key to set trigger source to CH1 4 To press F3 key as menu operation key to select video standard of PAL Operating Manual for UTD2000 3000 5 To press F4 key as menu operation key to select synchronization of odd field or even field 6 To adjust horizontal time base by rotating horizontal
42. ing of vertical system As shown in the following figure there are a series of keys and knobs in vertical control area Please introduce usage of vertical setup gradually as follows TER VERTICAL gt POSITION sv aN VOLTS DIV 7 inch vertical control panel of screen 5 7 inch vertical control panel of screen Figure 1 9 Vertical control area on the panel Operating Manual for UTD2000 3000 1 Use vertical position knob so that middle display of waveform signal in the window Vertical display position of signal can be controlled by vertical position knob Ground mark moves vertically with waveform when rotating vertical position knob Measurement knack ou can observe difference between waveform and signal ground to measure DC component of signal quickly if adopting DC channel oupling mode DC components in the signal ill be filtered if adopting AC coupling mode You can also display AC component of signal by higher sensitivity conveniently Vertical position of double analog channels shall be restored to short cut key of zero pointnamely SET TO ZERO The key is to return vertical displacement horizontal displacement hold off position to zero point or middle point Of which UTD2000L 2000EX series will trigger electric level Return to 50 of position 2 Alter vertical setup and observe alternation of status information You can determine variation of any vertical gear by status bar below waveform
43. ion 22 23 es 2 3 FFT menu Description FFT mathematical tine ret eaters Information CH1 To set CH1 and CH2 as source CH2 calculation waveform Hanning Set Hanning window Hamming Set Hamming window Window Blackman Set Blackman window Rectangle Set Rectangle window Vertical uni Vrms To set vertical unit to erticalunit gBvrm Vrms or dBVrms Operating Manual for UTD2000 3000 FFT operation knack Signals with DC component or deviation will bring in error or deviation of FFT waveform component AC coupling mode can be selected to reduce DC component Average obtainment mode of digital storage oscillograph can be set to reduce random noise and aliasing frequency component of repeated or single pulse event Operating Manual for UTD2000 3000 Selection of FFT window Mathematical storage oscillograph will carry out FFT conversion for time record with limited length when assuming continuous repetition of YT waveform YT waveform will have the same amplitude in beginning and ending locations for no interrupation However high frequency transient interruption will be caused in connector due to different waveform amplitudes for non integral cycle of YT waveform Such effect shall be called as leakage in frequency domain Therefore value in forced beginning and ending locations is 0 by multiplying original waveform by a window function to avoid leakage Please refer to following form f
44. ire lower party corresponds to area selected for upper part so users can rotate horizontal SCALE knob to reduce selected area and increase extension time base namely horizontal extension multiple of waveform The mode must be used for CH1 and CH2 at the same time CH1 voltage will be displayed on X axle and CH2 voltage Operating Manual for UTD2000 3000 will be displayed on Y axle after selecting X Y display mode WaveBright Figure 2 13 Waveform display under X Y mode Note Digital storage oscillograph can capture waveform by any sampling speed under normal X Y mode Similarly it is allowed to adjust sampling rate vertical gear of channels and time base gear under X Y mode Default sampling rate is 100MS s under X Y mode In general sampling rate can reduce to gain excellent Lissajou s figure Following functions do not effect during X Y display E Automatic testing mode E Cursor measurement mode E Reference or mathematical calculation waveform E View window extension function E Trigger control 30 31 Setup of trigger system Trigger can determine data acquisition time and waveform display for digital storage oscillograph It can convert instable display to meaningful waveform once correct setup Digital storage oscillograph will collect sufficient data to map waveform in the left side of trigger point firstly It will acquire data continuously and synchronously when waiting for trigger conditions It a
45. ital storage oscillograph to 10 Please connect CH1 channel of digital storage oscillograph to circuit signal input terminal and connect CH2 channel to output terminal Operation steps 1 Signal display of CH1 and CH2 channels To press AUTO button To continue to adjust horizontal or vertical gear so that waveform display can meet your test requirements To press CH1 key to select CH1 then rotate vertical position knob to adjust vertical position of CH1 waveform To press CH2 key to select CH2 then adjust vertical position of CH2 waveform to facilitate amp Operating Manual for UTD2000 3000 comparison without waveform overlapping for the first and second channels 2 To measure delay of sine signal caused by circuit then observe waveform variation Delay of automatic measurement channel To press MEASURE button to display automatic measurement menu To press F1 key to enter into measurement menu category for selection To press F4 key to enter into time measurement parameter list To press F5 key twice to enter into 3 3 page To press F2 key to select delay measurement To press F1 key to select CH1 then press F2 key to select CH2 then press F5 as enter key You can see delay value from CH1 CH2 delay in F1 area Observation of waveform variation shown in following figure Ch2 1 004 M 100s Figure 3 2 Waveform delay 74 75 The third example Capture of single signal Advantages and characte
46. itude and frequency when user presses AUTO key System setup is shown in following form during automatic setup 70 Function Setup Obtainment mode Sampling Display format Setto YT Horizontal position Automatic adjustment Adjustment according to signal Second grid frequency Trigger coupling AC Hold off The minimum value Trigger level Set to 50 Trigger mode Automatic Trigger source Set to CH1 Set to CH2 when exerting on signal for it if there is no signal for CH1 Trigger gradient Ascending Trigger type Edge Vertical band width All Volt grid Adjustment according to signal amplitude Operating Manual for UTD2000 3000 RUN STOP To acquire waveform or stop acquisition continuously The key can be pressed for switchover of waveform sampling between operation and stop User can press the key under operation status so that green lamp is on Auto can be displayed in upper part of the screen Old digital storage oscillograph can acquire waveform continuously while red lamp is on by pressing the key under stop status Digital storage oscillograph can stop acquisition when displaying Stop in upper part of the screen Operating Manual for UTD2000 3000 Chapter 3 Application Example The first example Measurement of simple signal It has to observe a unknown signal in the circuit for quick display and measurement of signal frequency and peak
47. lease be familiar with setup of trigger system gradually as follows TRIGGER A LEVEL Y E TRIGGER LEVEL Slo pe hode Coupling 5 7 inch screen 7 inch screen Figure 1 12 Trigger menu Figure 1 11 Trigger menu on the panel Operating Manual for UTD2000 3000 1 To user trigger level knob to alter trigger level and instruct trigger level line by seeing trigger mark onthe screen so that it moves vertically with knob rotation Variation of trigger level in lower part of screen can be observed when moving trigger level at the same time 2 As shown in Figure 1 12 TRIGGER MENU can be used to alter trigger setup User can press F1 key to select edge trigger They can press F2 key to select trigger source to CH1 They can press F3 key to set gradient of edge type to ascending They can press F4 key to set trigger mode to automatic They can also press F5 key to set trigger coupling toAC in trigger signal amplitude 4 To press FORCE button To produce 1 trigger signal forcefully for mainly application for normal and single trigger mode 2 They can press 50 button for 5 7 inch oscillograph and press SET TO ZERO key for 7 inch oscillograph It also has to set vertical middle point of trigger level 15 Chapter 2 Instrument Setup By now you have been familiar with operation of vertical control area horizontal control area and trigger system menu for UTD2000 30
48. lso will acquire sufficient data continuously to map waveform in the right side of trigger point Trigger control area of operation panel of digital storage oscillograph includes trigger level adjustment knob and trigger menu key of TRIG MENU 5 7 inch oscillograph will set 50 of trigger level in vertical middle point of signal and realize UTD2000L 2000EX by press SET TO ZERO key It has to press forced trigger key of FORCE Operating Manual for UTD2000 3000 Trigger level Trigger level will set signal voltage which corresponds to trigger point 50 To set trigger level to vertical point of trigger signal amplitude FORCE To produce 1 trigger signal forcefully for mainly application for normal and single modes shown in trigger modes TRIG MENU To trigger and set menu key Operating Manual for UTD2000 3000 Trigger control Trigger mode Edge pulse width video and ALT TRIG Edge trigger Trigger when edge of trigger signal reaches a certain given level Pulse width trigger Trigger when pulse width of trigger signal reaches certain set trigger conditions Video trigger Carry out field or line trigger for standard video signals UTD2025CL UTD2000EXseriesis no such function ALT TRIG It is appropriate to trigger signal without frequency relevance Various kinds of trigger menus are also shown as follows Edge trigger Edge trigger mode is to trigger threshold value of input signal edge Thatis to trigger in as
49. lt 60 RH Altitude Operation elevation of less than 3 000m Non operation elevation of less than 15 000m 102 103 Operating Manual for UTD2000 3000 Machine dimension UTD2000C UTD3000C UTD2000L UTD2000E UTD3000E UTD2000X Dimension Width 320mm 320mm 306mm Height 150mm 150mm 147mm Depth 130mm 292mm 122mm Not containing package 2 5kg 4 9kg 2 2kg Weight Containing package 4 0kg 6 8kg 3 3kg IP protection IP2 X Adjustment interval Suggested calibration period is 1 year Operating Manual for UTD2000 3000 Appendix B Fittings of UTD2000 3000 series digital storage oscillograph Standard fittings e 2inactive probes of 1 2m and 1 1 10 1 Please refer to manual of probe fittings of details to meet EN61010 031 2008 standard 150V CAT II grade if switch is in 1 position 300V CAT II grade if switch is in 10 position 1 power wire to meet national standards 1 Operation Manual 1 Warranty Certificate Communication control software of UTD2000 3000 oscillograph e USB connecting wires UTD2000C 3000C 2000E 3000E UT D06 UTD2000L 2000EX UT D05 Optional fittings e UTD2000C 2000E series LAN module UT M01 e UTD3000C 3000E series LAN module UT M05 e UTD3000C series GPIB module UT M02 Please order all fittings standard pieces and optional fittings from local UNI T dealer 104 105 Appendix C Mainte
50. m for horizontal scale or time base unit if stopping waveform sampling by using RUN STOP key Figure 2 11 Interface of horizontal system Mark Description Mark represents position of current waveform view window in RAM Mark position of trigger point in RAM Mark position of trigger point in current waveform view window Display horizontal time base or main time base namely s div Trigger horizontal distance of position by comparing with middle point of view window 28 29 View window extension View window extension is to argument a section of waveform to review image details conveniently Setup of view window extension can not be slower than that of main time base Horizontal extension of the waveform Extension time base Horizontally extended part of the waveform Figure 2 12 Screen display under view window extension Operating Manual for UTD2000 3000 As shown in above figure it can be divided into 2 display areas under extension time base Original waveform is displayed for upper part Selected area can move horizontally by rotating horizontal POSITION knob or increase or decrease by rotating horizontal SCALE knob Waveform with horizontal extension in originally selected waveform area is shown in lower part As shown in above figure please pay attention that resolution increases for extension time base by comparing with main time base Waveform displayed by the ent
51. nal band width limitation 20MHz Low frequency response AC coupling 3dB lt 10Hz in BNC DC gain precision by adopting sampling or sampling mode of average value UTD2000C UTD3000C UTD2000E UTD3000E 4 if vertical sensitivity is 2mV div or 5mV div 3 if vertical sensitivity is 10mV div to 5V div UTD2000L 2000Ex 5 if vertical sensitivity is 1mV div or 2mV div 4 if vertical sensitivity is 5mV div 3 if vertical sensitivity is 10mV div to 20V div DC measurement precision by adopting average sampling mode UTD2000C UTD3000C UTD2000E UTD2000E If vertical displacementis 0 and N 16 4 xreading 0 1 grid 1mV by selecting 2mV div or 5mV div 3 xreading 0 1 grid 1mV by selecting 10mV div to 5V div If vertical displacementis not 0 and N 16 Operating Manual for UTD2000 3000 DC measurement precision by adopting average sampling mode 3 x reading vertical displacement reading 1 xvertical displacement reading To add 2mV when Setting from 2mV div to 200mV div To add set value by 50mV when setting from 200mV div to 5V div UTD2000L 2000EX If vertical displacementis 0 and N 16 5 xreading 0 1 grid 1mV by selecting 1mV div or 2mV div 4 xreading 0 1 grid 1mV by selecting 5mV div 8 xreading 0 1 grid 1mV by selecting 10mV div to 20V div If vertical displacementis not 0 andN 16 3 reading vertical displacement reading 1 xvertical displacement
52. nance and cleaning General maintenance It is not allowed to store or place instruments in locations with direct sunshine for LCD for a long time Note It is not allowed to touch instrument or probe by pressurized spray liquid or solvent to avoid damage Cleaning Instrument and probe can be inspected constantly according to operation Please clean outer surface of instruments according to following steps 1 Please remove floating dust out of instrument and probe by soft cloth Please do not scratch transparent LCD protection screen during cleaning 2 Please power off when cleaning the instrument by wet soft cloth without dripping It can be cleaned by soft detergent or clean water It is not allowed to use any corrosive chemical detergent to avoid Operating Manual for UTD2000 3000 damage to instrument or probe Warning Please confirm that instrument has been dried thoroughly before power re supply to avoid electric short circuit even personal injury due to moisture Operating Manual for UTD2000 3000 The information is subject to changes without prior notice if manual content varies 106 107 Copyright 2010 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
53. nd gain the most sform synchronization Please refer to following form for menu of trigger coupling mode 38 39 Operating Manual for UTD2000 3000 Form 2 12 Function menu Setup Description Type Trigger source oe Gradient o Trigger mode _ AC Set pass through obstruction of DC components DC Set pass through of all components i High frequency inhibition Obstruct pass through of high frequency part of signal Only low oupling Low frequencyinhibition frequency components can pass through Obstruct pass through of low frequency part of signal Only high frequency components can pass through Operating Manual for UTD2000 3000 Adjustment of hold off time Adjustment of hold off time can be used to observe complex waveform such as pulse string series Inhibition time refers to waiting period of digital storage oscillograph to start up trigger circuit again Digital storage oscillograph will not trigger until inhibition time ends during inhibition period For instance as shown in Figure 2 17 the first pulse among a group of pulse series shall be triggered to set inhibition time to width of pulse string Please refer to following form for hold off menu Form 2 13 Function menu Setup Description Main time base 1 To open main time base 2 To close view window extension according to main time base after opening view window extension View window extension
54. nt function moe ie Soe EEEE eee j keys a A AAALAC Volts Div A AAEE ee Sea Bete ae Poe nok ceae nerds Sele E E waveform mark of E a Soo i cs ce es PENE display window channel 2 Invert Ch2 1 00 H 200 15 OFF E ae vertical scale coefficient of display channel display setup of main time base Interface display diagram of digital storage oscillograph i e UTD2000L series General inspection It is suggested to inspect the instrument by following steps when getting a new UTD2000 3000 series digital storage oscillograph 1 To check if there is damage due to transportation or not Please replace carton or foaming plastic protection cushion with severe damage instantly 2 Please inspect fitting details and shown it in Fittings of UTD2000 3000 series digital Storage Oscillograph shown in the manual You can check if there are deficient fittings or not by referring to it Please contact UNI T distributor or local agent if there are deficient or damaged fittings 3 Please inspect the entire machine and contact UNI T distributor or local agent for damaged appearance abnormal operation or failing to pass performance test Please pay attention to packages and report to Operating Manual for UTD2000 3000 transportation department and UNI T distributor if machine damage is caused by transportation UNI T will arrange maintenance or replacement Function inspection Please carry out once fast function insp
55. nt models 2 Use horizontal POSITION knob to adjust horizontal position of signals in waveform window To use horizontal POSITION knob to control trigger displacement of signals Horizontal movement of waveform with knob can be observed when rotating horizontal POSITION knob for application for trigger displacement 3 Please press MENU button for 5 7 inch oscillograph and press HORI MENU button for 7 inch oscillograph to display Zoom menu Please press F3 to open view window extension under this menu then press F1 to close view window extension and return to main time base Hold off time can be set under this menu Trigger point can be restored to vertical middle point quickly by short cut key of SET TO ZERO so as to restoring displacement of trigger point to horizontal zero point short cut key Users can also adjust horizontal position of signal in waveform window by rotating horizontal POSITION knob erm explanation rigger point It refers to position of actual trigger point by comparing with middle point of storage instrument Users can move trigger horizontally by rotating horizontal POSITION knob Hold off It refers to interval to start up trigger ircuit again Hold off time can be set by rotating multi purpose knob controller Operating Manual for UTD2000 3000 Elementary understanding of trigger system As shown in Figure 1 11 there is 1 knob and 3 or 2 keys in control area of trigger menu P
56. of front panel Odd field To set synchronous trigger for video odd field Even field To set synchronous trigger for video even field 36 37 Operating Manual for UTD2000 3000 Please refer to Figure 2 14 for screen display when selecting standard system of PAL and row synchronization as synchronization mode Please refer to Figure 2 15 for field synchronization of synchronization mode Ch2 Off M 50 0us Figure 2 15 Video trigger Field synchronization ALT TRIG mode ALT TRIGTrigger signal comes from 2 vertical channels during ALT TRIG Such trigger mode can be adopted for synchronous observation of 2 signals Off M 500ns Figure 2 14 Video trigger Row synchronization without regard to signal frequency Please refer to following figure for trigger alternation waveform display Operating Manual for UTD2000 3000 M Pos 0 00us different frequency by Form 2 11 Trigger alternation menu Trigger Type Edge Coupling AC Fe 2 1 6 Aar Taaa of 2 signals with Function menu Setup Description Type Edge Set trigger mode to edge f ALT TRIG of CH1 and Trigger source Alternation CH2 Gradient Ascending Set trigger gradient to ascending edge Trigger mode _ set trigger mode as i Automate automatic one Trigger coupling AC Set trigger coupling modeto AC mode Setup of trigger coupling mode Please enter into trigger setup menu for setup of trigger coupling mode a
57. on of displayed waveform HA TUL ANAN Exceeding Correct Insufficient compensation compensation compensation Figure 1 8 Compensation correction of probe 3 Adjust variable capacitance on the probe by screwdriver of non metallic handle for waveform display of insufficient compensation or excessive compensation shown in above figure until correct compensation for waveform display on the screen as above Warning Please guarantee perfect insulation conduits of probe and do not contact metallic part of probe when connecting to HV source to avoid electric shock of probe during HV measurement Automatic setup of waveform display UTD2000 3000 series digital storage oscillograph has automatic setup functions It can adjust vertical deflection coefficient scanning time base and trigger mode automatically according to input signal for the most appropriate waveform display Frequency of measured signals shall be more than or equal to 50Hz and duty cycle shall exceed 1 according to automatic setup requirements Automatic setup 1 Connect measured signals to signal input channel 2 Press AUTO button so that digital storage oscillograph can set vertical deflection coefficient scanning time base and trigger mode automatically They can be adjusted again after careful observation and automatic setup so that waveform display can realize the best effect Operating Manual for UTD2000 3000 Elementary understand
58. ons and behaviors that may endanger lives N Note Notice statement means the conditions and behaviors that may cause other property damage Terms for products The following terms may be Danger It refers to direct injury near the mark Warning It refers to potential injury near the mark Note It refers to potential danger for the product and other properties ground terminal Operating Manual for UTD2000 3000 Product symbol Following symbols may be shown on the product surface A High voltage Caution Refer to manual Protective Groundterminal Ground terminal for chassis for testing Operating Manual for UTD2000 3000 Preface The manual is about operation information of OPERATING MANUAL FOR UTD2000 3000 digital storage oscillograph The manual includes the following chapters Chapter 1 User Guideline It is to introduce functions of digital storage oscillograph easily and provide installation guidelines Chapter 2 Instrument Setup Operation methods of OPERATING MANUAL FOR UTD2000 3000 digital storage oscillograph Chapter 3 Application example Examples to solve various measurement problems Chapter 4 System Prompt and Troubleshooting Chapter 5 Appendix Technical Indicators Appendix B Fittings of OPERATING MANUAL FOR UTD2000 3000 series digital storage oscillograph Appendix C Maintenance and Cleaning Maintenance Operating Manual for UTD2000 3000 The manual includes 3 series of digital storage os
59. or application of window function Form 2 4 FFT window Characteristics The most appropriate measurement content Rectangle Hanning Transient or short impulse with basically equivalent signal level Sine with equivalent amplitude with _ similar frequency Wide band random noise of wave spectrum with slow variation The best frequency and the poorest amplitude resolution to be basically similar to circumstances without window With excellent frequency resolution and poor amplitude resolution by comparing Sine cycle and narrow band random noise with rectangular window H Frequency resolution of Hamming window Transient or short impulse with large difference amming is better than that of Hanning window slightly for signal level Blackman The best amplitude resolution and the Mainly used for single frequency signal to search poorest frequency resolution for higher order of harmonic wave 24 25 Term explanation FFT resolution It is defined as factor of sampling and calculation point FFT resolution increases when sampling rate decreases for fixed calculation point quantity Nyquist frequency Original waveform can not be reset until using sampling rate of at least 2f for waveform with the maximum frequency of f It is also called as Nyquist guideline f refers to Nyquist frequency and 2f refers to Nyquist sampling rate Reference waveform Please refer to waveform stored in nonvolatile memor
60. orm User can press F2 key to select channel to save waveform then press F5 Enter into next page Magnetic disk in F1 menu position can designate storage position and default storage position is digital storage oscillograph DSO without plugging in U disk Stored magnetic disk position can be DSO or USB after plugging in U disk Default storage depth shown by F2 is ordinary and saved waveform only can be displayed by oscillograph Storage depth can be selected to long storage to save data for exportation by waveform analysis software when plugging in U disk and selecting magnetic disk position to USB It is allowed to analyze content data of every point of saved waveform User can also press F5 Return to previous menu then select storage position by multi function button then press F3 for saving Bit Map Type Bit Map Figure 3 11 Waveform storage Storage Disk USB Length Normal Load F Previous Chi Ch2 Off M 100us 2 2 iT Figure 3 12 Waveform storage by U disk 86 As shown in following figure saved waveform can be recalled by short cut key of REF on the panel for UTD2000C and UTD2000E series of oscillograph User can press F3 shown in the second page of STORAGE main menu for recall for UTD2000L 2000EX series of oscillograph a E3 m ca REF Figure 3 13 Vertical control panel of 5 7 inch screen 87 Operating Manual for UTD2000 3000 3 Bitmap storage
61. own in Form 2 26 Menu included by time category is shown in Form 2 30 to Form 2 32 Form 2 30 Function measurement item Description Return Return to menu shown in Form 2 25 Return to parameter measurement display menu and substitute Freguency original position parameter after selection Cycle The same as above RiseTime The same as above Next page 1 3 Page turning 66 Form 2 31 Operating Manual for UTD2000 3000 Function measurement item Description Previous page Return to previous page Return to parameter measurement display menu and substitute PISaueney original position parameter after selection Cycle The same as above RiseTime The same as above Next page 2 3 Page turning Form 2 32 Function measurement item Description Previous page Return to previous page Delay Enter into delay option menu shown in Form 2 32a after selection Positive duty cycle Return to parameter measurement display menu and substitute original position parameter after selection Negative duty cycle The same as above The first page 3 3 Return to the first page shown in Form 2 30 67 Operating Manual for UTD2000 3000 Form 2 32a Function Setup Description Channel CH1 CH2 Select measured channel MATH Channel rie Return to parameter measu
62. ph may obtain several waveform and calculate average value then display final waveform under this obtainment mode Such mode can be adopted to reduce random noise Operating Manual for UTD2000 3000 Setup of display system As shown in following figure DISPLAY in control area is function key of display system SELECT oO MEASURE ACQUIRE STORAGE CURSOR DISPLAY UTILITY MULTI PURPOSE MEASURE ACQUIRE STORAGE CURSOR DISPLAY UTILITY AUTO PUSH SELECTED Figure 2 21 Function key of sampling system Please press DISPLAY button to pop out setup menu shown in following figure Display mode can be adjusted by pressing menu control button 48 Operating Manual for UTD2000 3000 Form 2 15 Display menu Setup Descriptions S Display type YT Operation mode of digital storage oscillograph oe X Y display mode X input for CH1 and Y input for CH2 Close Real time updating of screen waveform 1s To update after keeping waveform data shown in the screen for 1s 2s To update after keeping waveform data shown in the screen for 2s 5s To update after keeping waveform data shown in the screen for 5s Infinite To always keep display of original waveform data shown in the scree until this function is inactivated if new data is added into display continuously To set waveform brightness without this function for UTD2000C 3000C Continuous Waveform brightness 1 100 Key points Display type To fill in blank between
63. ply Ground conductor must be connected to earth to avoid electric shock Please guarantee correct grounding before connecting input output terminal of the product Correct connection of oscillograph probe Earth wire of probe is the same to earth potential Please do not connect earth wire to high voltage Review of rated values of all terminals Please refer to all rated values and marks on the product surface to avoid fire or excessive current shock Please refer to product manual before connecting products so as to know details of rated values Do not open cover plate of machine box It is not allowed to start or operate the product when opening external cover or panel Operating Manual for UTD2000 3000 Usage of appropriate fuse It is only allowed to use fuse type and rated indicator designated by the product To avoid exposed circuits It is not allowed to touch exposed connector or element after power supply Operation is not allowed if there is any doubt for product trouble Please consult qualified maintenance personnel to inspect the product if there is any trouble doubt It has to maintain appropriate ventilation Itis not allowed to operate in wet locations It is not allowed to operate in combustible and explosive environment It has to keep product surface clean and dry Safety Terms and Symbols Terms in the manual The following terms may be seen inthe manual A Warning Warning statement means the conditi
64. press F4 Enter into template setup menu Template To press F2 and F3 shown in Template menu to set horizontal and vertical tolerance scope by multi function knob namely 1 200Pixel toward horizontal direction and 1 100Pixel toward vertical direction Please press F4 finally Return to Pass Fail menu 4 Setup of output conditions To press F3 to set output conditions shown in Pass Fail menu 5 To begin detection To press F1 to open detection status shown in Pass Fail menu Operating Manual for UTD2000 3000 The ninth example Usage of updating procedure of U disk Updating procedure of U disk can be used more conveniently and flexibly Please operate according to following steps if using this function 1 To download procedure documents to update from Internet then save them in U disk It is suggested to use U disk suggested by us 2 To close oscillograph and insert U disk then open oscillograph 3 To turn to confirmation interface of whether to update it or not if there is only 1 procedure document in U disk Please press F5 for exit or press F1 to exit procedure updating Document selection interace will appear if there are at least 2 procedure documents in U disk Please press F5 key for confirmation or press F1 to exit procedure updating Please turn to confirmation interface of whether to update it or not then press F5 for updating 4 To wait for updating for prompt of successful updating Please power
65. producing trigger signal To produce trigger scanning if any trigger signal is produced To produce once trigger then stop during trigger signal input High frequency inhibitionTo pass through AC amp DC components of trigger signal To obstruct DC components of trigger signal To obstruct pass through of high frequency components of signal and only low frequency components can pass through T OOH pag Oo O Return to previous page Operating Manual for UTD2000 3000 Video touch To trigger in field or row with NTSC or PAL standard video signals after selecting video trigger for UTD2025CL oscillograph shown in 5 7 inch or 7 inch screen Trigger coupling is pre set to DC Please refer to following form for trigger menu Form 2 10 Setup of video trigger rostennene Seep eee Pulse width Selection of information source Synchronization CH1 To set CH1 as trigger EEn of information source CH2 To set CH2 as trigger signal of information source EXT To set EXT TRIG INPUT channel as trigger signal of information source EXT 5 To set 5 times of attenuation for outer trigger signal as trigger signal Alteration ALT TRIG of CH1 and CH2 signals PAL Video signal to be appropriate to PAL system Standard NTSC Video signal to be appropriate to NTSC system All rows To set synchronous trigger of video row Designated row To set synchronous trigger of designated video row for adjustment by multifunctional knob in upper part
66. rce shown in trigger menu to check if it is consistent with input channel of actual signal or not Inspection of trigger type General signals shall be inspected by edge trigger mode while video trigger Operating Manual for UTD2000 3000 mode shall be used for video signals Waveform can not be displayed stably until setting correct trigger mode Please strive to set coupling to high frequency inhibition and low frequency inhibition display to filter high low frequency noise triggered by interference 5 To press RUN STOP key without any display To check if trigger mode of trigger menu is in normal or single gear or not It has to check if trigger level is out of waveform scope or not Trigger level shall be in the middle or trigger mode shall be set to AUTO gear if yes To press AUTO key for automatic setup as above 6 Display speed will reduce after opening average time sampling mode In general speed will reduce normally if average times exceed 32 To reduce average times 7 Staircase waveform display As normal phenomenon horizontal time base can increase under super low horizontal time base gear so as to increase horizontal resolution and improve display Possible display type is vector and sampling points can be connected for staircase waveform display Display type canbe set to point display 90 91 Operating Manual for UTD2000 3000 Chapter 5 Appendix Appendix A Technical
67. rcuit to monitor input output signal of circuits Please operate according to following steps to review input output terminal of circuits by way of X Y coordinate diagram 1 To set probe menu attenuation coefficient to 10 and set switch on the probe to 10 2 To connect CH1 probe to network input then connect Ch2 probe to network output 3 To press CH1 and CH2 menu keys and open 2 channels if they have not been displayed 4 To press AUTO button 5 To adjust vertical scale knob for approximate equivalent display amplitude of 2 loops of signals Operating Manual for UTD2000 3000 6 To press DISPLAY menu key to call out display control menu 7 To press F2 to select X Y Digital storage oscillograph will display input output characteristics of circuit under Lissa Jous s figure mode 8 To adjust vertical scale and vertical position knob to reach the best effect for waveform 9 As shown in following figure please observe and calculate phase location difference by elliptic oscillograph figure method Signal must be in the horizontal center Figure 3 7 sin6 A B or C D Of which 0 refers to phase location difference angle between channels Please refer to above figure for definition of A B C and D Therefore phase location difference angle is calculated as follows tarcsin A B or tarcsin C D Calculated phase location difference angle shall be within Quadrant lor IV namely 0 5 or 32 2m1
68. reading 0 2div To add 2mV when Setting from 5mV div to 200mV div To add set value by 50mV when setting from 200mV div to 20V div Measurement precision of voltage difference AV by adopting sampling mode of average value Voltage difference between any 2 points on the waveform after calculating average value for at least 16 captured waveform under the same setup and environment conditions 3 xreading 0 05div Note Deflection coefficient scope of UTD2025C 3025C is 2mV div 10V div in input BNC 96 97 Operating Manual for UTD2000 3000 band width series model analog band width single band width RiseTime UTD2025C UTD3025C 25MHz 25MHz 14ns UTD2042C UTD3042C 40MHz 40MHz 8 7ns UTD2062C UTD3062C 60MHz 60MHz 5 8ns UTD2000O 3000C UnD2082e UND s082C 80MHz 80MHz 4 3ns UTD2102C UTD3102C 100MHz 100MHz 3 5ns UTD2152C UTD3152C 150MHz 100MHz 2 3ns UTD2202C UTD3202C 200MHz 100MHz 1 8ns UTD2042CE UTD3042CE 40MHz 40MHz 8 7ns UTD2062CE UTD3062CE 60MHz 60MHz 5 8ns UTD2000E 3000E UTD2082CE UTD3082CE 80MHz 80MHz 4 3ns UTD2102CE UTD3102CE 100MHz 100MHz 3 5ns UTD2152CE UTD3152CE 150MHz 100MHz 2 3ns UTD2202CE UTD3202CE 200MHz 100MHz 1 8ns UTD2000L UTD2025CL 25MHz 25MHz 14ns UTD2052CL 50MHz 50MHz 7ns UTD2000EX UTD2052CEX 50MHz 50MHz 7ns UTD2102CEX 100MHz 100MHz 3 5ns Operating Manual for UTD2000 3000
69. rement display menu Enter and substitute original position parameter after selection Cursor measurement User can press CURSOR button to display measurement cursor and cursor menu then use multi purpose knob controller to alter cursor position As shown in following figure CURSOR in MENU control area is cursor measurement function key SELECT oO MEASURE ACQUIRE STORAGE COARSE CURSOR DISPLAY UTILITY MULTI PURPOSE MEASURE ACQUIRE STORAGE CURSOR DISPLAY umumy PUSH SELECTED Figure 2 29 Function key or cursor of sampling system 68 69 User can move cursor for measurement under CURSOR mode There are 3 modes namely voltage time and tracing AV can be measured by pressing SELECT and COARSE keys on the panel and multi purpose knob controller to adjust positions of 2 cursors respectively during voltage measurement Similarly it can be measured if selecting time Cursor of digital storage oscillograph can also trace signal variation automatically under tracing mode with waveform display Remark For 5 7 inch oscillograph 1 Effect of SELECT key is to select the cursor 2 Effect of COARSE key is to adjust movement speed of cursor For 7 inch oscillograph User can press multi function knob key to select the cursor Movement speed of cursor can also alter according to rotation speed 1 Voltage time measurement mode The first or Operating Manual for UTD2000 3000 secondcursor will app
70. ring actual application Please compare current waveform with reference waveform for analysis Please press REF key to display reference waveform menu Setup is also shown in following form Form 2 5 Selection of storage position Function menu Setup Description Storage position 1 20 1 20refer to positions of 20 groups of waveform respectively There are 200 groups of waveform positions for storage to USB Storage position and quantity vary withmachine model Magnetic disk DSO USB To select internal storage position To select external storageposition until plugging inU disk Close To close called out waveform Callout To call out selected waveform Cancel Return to previous menu It is allowed to select from 1 to 20 for internal storage position Please plug in U disk and press F2 to select USB magnetic disk for external storage instrument Please refer to STORAGE menu for waveform storage 26 27 Setup of horizontal system Horizontal control knob Control knob on horizontal surface can be used to alter horizontal scale or time base to trigger horizontal position or trigger position shown in RAM Vertical middle point toward horizontal direction on the screen is time reference point for waveform Horizontal scale can be altered for waveform extension or shrinkage by comparing with screen center Horizontal position can also alter by comparing with position of
71. riod when waveform amplitude increases from 10 to 90 FallTime It refers to period when waveform amplitude decreases from 90 to 10 Positive pulse width Width It refers to pulse width of positive pulse under 50 of amplitude Negative pulse width Width It refers to pulse width of negative pulse under 50 of amplitude Delay ascending edge It refers to delay from ascending edge to ascending edge Delay descending edge It refers to delay from Operating Manual for UTD2000 3000 descending edge to descending edge Positive duty cycle Duty It refers to ratio of positive pulse width and cycle Negative duty cycle Duty It refers to ratio of negative pulse width and cycle Measurement menu Operation Description Please press MEASURE key so that the screen can display 5 measurement values As shown in Form 2 25 user can press any key of F1 to F5 so that the screen enters into measurement selection menu Operating Manual for UTD2000 3000 Form 2 25 Function menu Setup Description Return Return to parameter measurement display menu Information source CH1 Select channel of measurement parameters CH2 Select channel of measurement parameters Voltage kind Enter into voltage parameter menu Time kind Enter into time parameter menu All parameters Display close all measurement parameters Of which Menu included by voltage kind is shown in Form 2 26 to 2 29 Form
72. ristics of digital storage oscillograph include convenient capture of aperiodic signals such as pulse and burring etc It has to know this signal to set trigger level and trigger edge to capture a signal signal For instance Trigger level shall be set to about 2V and set trigger edge to ascending edge trigger if pulse is a logic signal of TTL level User can observe it by automatic or ordinary trigger mode so as to determine trigger level and trigger edge for unknown signals Operation steps are as follows 1 To set attenuation coefficient of probe and CH1 channel like the previous example 2 To set triggers To press MENU button in trigger control area to display trigger setup menu To set trigger type to edge trigger source to CH1 Operating Manual for UTD2000 3000 gradient to ascend trigger mode of single mode and trigger coupling to AC by using menu operation keys of F1 to F5 respectively under this menu To adjust horizontal time base and vertical gear to appropriate scope To rotate TRIGGER LEVEL knob to adjust appropriate trigger level To press RUN STOP execution button to wait for signals which meet trigger conditions Once sampling can be done for display onthe screen ifa certain signal reaches set trigger level Occidental events can be captured easily by utilizing the function For instance Sudden burring with large amplitude Please set trigger level to be higher than normal signal slightly then press
73. s UTD2000EX 800 horizontal x RGBx480 vertical pixels UTD2000L 400 horizontal x RGBx240 vertical pixels Display color Colorful Waveform brightness Adjustable color Typical backlight strength 300nit Category of display language Multilingual selection Note UTD2000C 3000C series have no function of trigger frequency meter except UTD2025C 3025C Waveform brightness can not be adjusted 101 Operating Manual for UTD2000 3000 Probe compensator output Typical output voltage About 8V if peak value is not less than 1M2 Typical frequency 1kHz Interface function Standard configuration UTD2000C 3000C UTD2000E 3000E 1 USB D 1 USB H UTD2000L 2000EX 1 USB OTG Optional fittings UTD2000C series UTD2000E 3000E series LAN UTD3000C series GPIB and LAN Only LAN can be selecte dfor UTD3025C Environment Temperature scope Operation 0 C 40 C Non operation 20 C 60 C Power Power voltage 100 240VACRMS 45 440Hz CAT Il Power consumption To be less than 30VA F1 6AL 250V Fuses of UTD2000 UTD2000E series are Fuse on power board in the machine u Fuses of UTD3000 UTD3000E series are in power socket Fuses of UTD2000L 2000EX series are on power board in the machine Cooling method Forced cooling by fan Humidity scope lt 35 C lt 90 RH 35 C 40 C
74. splay as normal phenomenon The fifth example Application cursor measurement This digital storage oscillograph can measure 28 kinds of waveform parameters automatically All automatic measurement parameters can be measured by cursor Waveform time and voltage can be measured quickly by using cursor To measure 1 staircase voltage of staircase signal Please operate according to following steps to measure 1 staircase voltage of staircase signal 1 To press CURSOR key to display cursor measurement menu 2 To press F1 key as menu operation key to set cursor type to voltage 3 To rotate multi purpose knob controller to place the first cursor to 1 staircase of staircase signal 4 To press SELECT or PUSHSELECT to select the cursor then rotate multi purpose knob controller to place the secondcursor to another staircase of staircase signal 78 79 AV namely pressure difference can be shown in cursor menu automatically Please refer to following figure for details Note Please set cursor type to time if onlying adopting the secondstep as above for time measurement by cursor Ch2 Off Figure 3 6 Voltage difference of signal by cursor measurement Operating Manual for UTD2000 3000 The sixth example Application of X Y function To review phase location difference of signals of 2 channels Example Phase location variation caused by 1 circuit for tested signals Please connect digital storage oscillograph to ci
75. t signals by AC Grounding and DC components of input signals Bandwidih ON To limit band width to 20MHz limit so as to reduce display noise OFF _ Full band width To set vertical deflection Coarse oefficient for coarse tuning tuning Volt grid by 1 2 5 system To refine Fine within setup scope of coarse tuning tuning for fine tuning so as to improve vertical resolution To select one value according to probe attenuation coefficient to keep correct vertical deflection coefficient There are totally 4 kinds namely 1x 10x 100x and 1000 x ON To realize reverse direction Reverse phase function for waveform OFF To display waveform normally 46 Operating Manual for UTD2000 3000 1 Setup of channel coupling Press F1 to DC to pass through DC and AC Measured signal is a sine signal with DC component components of measured signals of CH1 channel by taking exerting signal to CH1 channel as an Waveform display is also shown in following figure example l To press F1 to select AC and AC coupling mode DC n component contained by measured signal will be obstructed Waveform display is shown in following figure Setup of AC coupling Che OF W003 Figure2 2 Synchronous display of DC andAC components of signal Press F1 to select grounding and set channels to grounding mode DC and AC components contained by measured signals will be obstructed Waveform display is shown in following figure displayed on the screen
76. t waveform from CH2 channel 1 20 refer to positions to store 20 groups of waveform Storage position 1 20 There are 200 groups of waveform positions for storage to USB Storage position and quantity vary with machine model Save Save waveform as a Enter into next page Ch2 Off M 5004s ii CH Figure 2 23 Waveform storage Storage Disk USB Length Normal Load 3 Previous Ch2 Off MW 100ys 2 2 T Figure 2 24 Waveform storage by U disk Operating Manual for UTD2000 3000 Form 2 17 Storage menu the second page Function menu Setup Description To select internal RAM of digital storage oscillograph then Magnetic disk DSO select external U disk This function can not be used until USB eee plugging in U disk To set storage depth to ordinary Callout only can be done in REF area when saving data to U disk Ordinary To set storage depth to long storage Note This function can Storage depth Long storage not be activated until plugging in U disk Callout can not be done until using loading function of computer communication software or waveform analysis load when saving data to U disk Previous page 9 2 Return to previous page 52 Operating Manual for UTD2000 3000 2 As shown in Form 2 18 please select setup and enter into setup storage menu Ch2 Off M 500ys Figure 2 25 Storage setup Form 2 18 Setup of storage menu
77. tude of measured signals correctly Please press F4 key for menu display of 10x Coupling BY Limit Probe ration Figure 1 6 Setup of deflection coefficient of probe on digital storage oscillograph Operating Manual for UTD2000 3000 3 Connect probe and grounding clip to corresponding connection ends then press AUTO button As shown in Figure 1 7 square wave 1kHz about 3V and peak value can be displayed within several seconds It has to inspect CH2 by the same method then press OFF function button so as to power off CH1 It has to press CH2 function button to power on CH2 and repeat the second and third steps Coupling M 500 15 Ch2 Off Figure 1 7 Operating Manual for UTD2000 3000 Probe compensation It needs to adjust it when connecting probe to any input channel for the first time so that probe can be appropriate to input channel Probe without compensation correction can also bring in measurement tolerance or error Please operate according to following steps for adjustment of probe compensation 1 To set probe menu attenuation coefficient to 10x and place probe switch to 10x then connect digital storage oscillograph probe to CH1 Please guarantee reliable contact to probe It has to connect probe end to signal output connector of probe compensator then connect grounding clip to earth wire connector of probe compensator It also has to power on CH1 and press AUTO 2 Observati
78. unction key You can be familiar with powerful automatic measurement function of UTD2000 3000 series digital storage oscillograph gradually by following introduction SELECT vo cc MULTI PURPOSE oQ MEASURE ACQUIRE STORAGE CURSOR MEASURE ACQUIRE STORAGE UTILITY Figure 2 28 Function key automatic measurement of sampling system DISPLAY UTILITY CURSOR DISPLAY AUTO PUSH SELECTED Application example Measurement menu of such series of oscillograph can be used to measure 28 kinds of waveform parameters User can press MEASURE key Enter into parameter measurement display menu firstly The menu includes 5 areas to display measurement value at the same time They correspond to function keys of F1 to F5 respectively Please press corresponding F keys Enter into measurement category selection menu if measurement category shall be selected for any area Measurement category selection menu can be classified into voltage and time kinds Enter into voltage or time measurement category respectively Please press F1 to F5 to select measurement category then return to parameter measurement display menu In addition user can 60 61 press F5 to select All parameters to display all voltage time measurement parameters User can press F2 to select channel to measure Channel is ineffective until opening User can press F1 Return to parameter measurement display menu if not altering current measurement category T
79. value 1 Please operate according to following steps for quick signal display 1 Please operate according to following steps for quick signal display To set probe menu attenuation coefficient to 10 and set switch on the probe to 10 2 To connect CH1 probe to measured point of circuit To press AUTO button Digital storage oscillograph can set automatically for the best waveform display You can also adjust vertical or horizontal gear on above basis so that waveform display can meet related requirements 2 Automatic measurement of signal voltage and time parameters Digital storage oscillograph can measure most of display signals automatically Please operate according to following steps for measurement of signal frequency and peak value To press MEASURE key to display automatic measurement menu To press F1 to enter into measurement menu category for selection To press F3 to select voltage category To press F5 to turn to 2 4 page then press F3 to select measurement type of peak value To press F2 to enter into measurement menu category for selection then press F4 to select time category To press F2 to select measurement type of frequency 72 Ch2 Off M 5 0015 Figure 3 1 Automatic measurement 73 Operating Manual for UTD2000 3000 The secondexample Delay observation of sine wave signal by circuit The same as above example please set attenuation coefficient of probe and dig
80. waveform trigger point Horizontal position To adjust horizontal position of channel waveform including mathematical calculation Resolution of such control key varies according to time base Horizontal scale To adjust main time base namely s div Window width can vary with delay scanning time base by rotating horizontal scale knob when Operating Manual for UTD2000 3000 opening extension time base Please refer to introduction to extension time base for details As shown in the following form horizontal menu can be displayed for horizontal control key menu Form 2 6 Function menu Setup Description 1 To open main time base 2 To close view window extension according to main time base after opening Main time base View window _____ To open extension time base extension Hold off To regulate inhibition period Operating Manual for UTD2000 3000 HORIZONTAL Term explanation Y T mode Y axle refers to voltage and X axle refers to time quantum under this mode X Y mode X axle refers to CH1 voltage and Y axle refers to CH2 voltage under this mode Slow scanning mode Instrument will enter into slow scanning sampling mode when setting horizontal time base control to 100ms div or less It is suggested to set channel coupling to DC when observing low frequency signal by applying for slow scanning mode s div Time base control can expand or compress wavefor
81. y NVM of digital storage oscillograph or peripheral U disk with name of RefA and RefB as follows Please operate according to following steps to call out or close reference waveform 5 Please press REF menu key on the front panel for 5 7 screen oscillograph Please press STORAGE key and enter into the Operating Manual for UTD2000 3000 second page to select call out for 7 inch oscillograph namely UTD2000L 2000EX series 2 Please press RefA RefA reference option and select information source then select its position by rotating multi purpose knob in upper part of front panel 1 10 or 1 20 can be selected for the position Press call out to call out waveform which is stored inthe position originally after selecting acertain position such as 1 Please plug in U disk if waveform is stored in the U disk There are 2 options for magnetic disk as follows DSO USB Please press F2 key and select USB The menu can not be activated until plugging in U disk Called out waveform is displayed on the screen for waveform called out and stored from U disk Please press cancel key F5 Return to previous menu after waveform call out 3 To press RefB RefB reference option and select Operating Manual for UTD2000 3000 information source 2 which participates in calculation and method is the same to the secondstep Please measure and observe related waveform by UTD2000 3000 series digital storage oscillograph du

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