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UTD2000 Series User Manual

13

Warning: In order to avoid electric shock when measuring high voltage with probe,

please ensure that the insulation lead of the probe is in good condition and do not

contact the metal part of the probe when connecting high pressure power supply.

1.3 Front and Rear Panel

Figure 1-3 Front Panel

Figure 1-4 Rear Panel

Display area

USB host interface

Control Menu button

Multifunctional Knob

Function menu button

Vertical control

Horizontal control

Analog channel input

Trigger control

Probe compensator

and grounding interface

USB Device

LAN

Pass Test Output

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Содержание utd2000

Страница 1: ...UTD2000 Series Digital Oscilloscope User Manual www uni trend com cn ...

Страница 2: ... China Co Ltd All rights reserved Trademark Information UNI T is the registered trademark of Uni Trend Technology China Co Ltd Document Version UTD2000 20210816 V3 00 Statement UNI T products are protected by patent rights in China and other countries including issued and pending patents UNI T reserves the rights to any product specification and pricing changes UNI T reserves all rights Licensed s...

Страница 3: ... delivered to an address within the country where the maintenance centre operates Uni T shall pay the cost of returning the product to the destination all freight custom duty tax and other costs will be paid by the customer This warranty shall not apply to any defects or damages caused by accidental machine parts wear and tear improper use and improper or lack of maintenance UNI T under the provis...

Страница 4: ...CAN Plug AC 125V 10A UL 498 Cord 3X18AWG 300V 105 C Connector AC 125V 10A Correct Plug Don t plug when the probe or test wire is connected to the voltage source Ground the product This product is grounded through the power supply ground wire To avoid electric shock grounding conductors must be connected to the ground Please be sure that the product is properly grounded before connecting to the inp...

Страница 5: ...oltage Please do not operate the product in humid conditions Please do not operate in inflammable and explosive environment Please keep the product surface clean and dry Radio frequency magnetic field CS The product was tested per EN 61000 4 6 interference signal amplitude is 3V frequency is beween 150kHz to 80MHz The waveform will be affected with interference signal and return to normal after re...

Страница 6: ...al damage to the operator Note This operation may cause damage to the product and devices connected to the product The following symbols may appear on the product Symbol Description Direct current Alternating current Earth ground TERMINAL PROTECTIVE CONDUCTOR TERMINAL Caution possibility of electric shock Warning or Caution Frame or chassis TERMINAL Comply with European Union standards Conforms to...

Страница 7: ... the following 9 models Series Model Band Width Sampling Rate UTD2000 UTD2052CL 50MHz 500MS s UTD2072CL 70MHz 500MS s UTD2102CL 100MHz 500MS s UTD2102CL PRO 100MHz 500MS s UTD2152CL 150MHz 500MS s UTD2102CEX 100MHz 1GS s UTD2152CEX 150MHz 1GS s UTD2202 PRO 200MHz 1GS s UTD2202CEX 200MHz 1GS s UTD2000 series provide the users with front panels with simple operation and clear functions to perform al...

Страница 8: ...lay 800 480 resolution Support plug and play USB storage equipment or be capable of communicating with computer via USB storage equipment Automatic waveform and state settings Waveform saving and replay feature Delicate window extension function and precise analysis on waveform details and overview Automatic measurement of 34 waveform parameters Automatic cursor tracking measurement function Uniqu...

Страница 9: ...ing coupling channel 17 2 2 Setting channel bandwidth Limited 18 2 3 Setting probe Rate 19 2 4 Vertical Volts Div adjustment setting 19 2 5 Settings of waveform inverting 20 2 6 Mathematical operation function 21 2 7 FFT spectral analysis 21 Chapter III Horizontal System 24 3 1 Horizontal control 24 3 2 Explanation of nouns 24 3 3 Window extension 25 3 4 Trigger hold off time adjustment 25 Chapter...

Страница 10: ... Upgrade program 51 Chapter XII Applicaion example 52 Example 1 Measuring simple signals 52 Example 2 Observing the delay caused by a sine wave signal passes through the circuit 52 Example 3 Acquiring single signals 53 Example 4 Reducing random noise of signals 54 Example 5 Using the cursors for measurement 55 Chapter XIII System Prompts and Trouble shooting 57 13 1 Definitions of System Prompts 5...

Страница 11: ...ease contact the UNI T product distributors or local UNI T offices If the instrument is damaged due to transportation please pay attention to keeping the package notify transportation department and UNI T product distributors and UNI T will make arrangement for repair or replacement 1 2 Function Inspection Conduct a fast function inspection to verify whether the instrument is in normal operation P...

Страница 12: ...tment of probe compensation follow the following steps Set the probe menu attenuation coefficient as 10 place the switch on the probe at 10 and connect DSO probe with CH1 If hook shape head of probe is used please make sure that it contacts the probe Connect the probe to the probe compensator of DSO connect the grounding clamp to the Grounding terminal of probe compensator turn on CH1 and press AU...

Страница 13: ...ot contact the metal part of the probe when connecting high pressure power supply 1 3 Front and Rear Panel Figure 1 3 Front Panel Figure 1 4 Rear Panel Display area USB host interface Control Menu button Multifunctional Knob Function menu button Vertical control Horizontal control Analog channel input Trigger control Probe compensator and grounding interface USB Device LAN Pass Test Output ...

Страница 14: ...omatic setting application the frequency of the measured signal is required to be 20Hz Apply automatic setting 1 Connect measured signal to signal input channel 2 Press AUTO key DSO will automatically set its vertical deflection factor scanning time base and trigger mode If further careful observation is required adjustment can be conducted again after automatic settings until the waveform display...

Страница 15: ...ll be filtered which helps to display AC component of signal with higher sensitivity 2 Vertical SCALE Change vertical setting and observe the change of status information User can confirm any change of vertical scale level by the information displayed on the status bar Rotate the vertical scale knob to change the vertical scale level of VOLTS DIV and then the scale level of channel on the stauts b...

Страница 16: ...et trigger holdoff time on this menu 1 7 Introduction to the Trigger System As shown in Figure 1 8 there is one knob and four keys in trigger menu control area Practices below will gradually guide you to be familiar with the setting Figure 1 8 Trigger Control Area and Trigger Menu on the Panel 1 Turn trigger level knob LEVEL to change trigger level Please refer to the trigger marking on the screen...

Страница 17: ...e Fine Volts Div is within the range of coarse Volts Div setting set the vertical scale of current channel based on 1 step of current Volts Div scale Probe 0 01 0 02 100 1000 Based on probe attenuation coefficient you select a value to ensure the consistency of vertical scale reading and actual displayed waveform so that you don t need to calculate by multiplying the probe attenuation coefficient ...

Страница 18: ...the instrument both DC and AC components of the input signal are blocked And waveform display is shown in figure below Figure 2 3 Simultaneous Blocking of Signal DC and AC Components 2 2 Setting channel bandwidth Limit Assuming that the input signal is a 40MHz sinusoidal signal connected to CH1 Press CH1 and then press F2 to set BW Limit as Full Bandwidth the channel bandwidth becomes full bandwid...

Страница 19: ...eform Display When Setting Bandwidth throttling as ON 2 3 Setting probe Rate In order to cooperate with attenuation coefficient setting of probe it is required to set the probe attenuation coefficient in channel function menu If the probe attenuation coefficient is 10 1 the probe coefficient in channel function menu shall be set to be 10 and vice versa Figure 2 6 Probe Attenuation Coefficient Sett...

Страница 20: ...rent vertical gear position range Vertical deflection factor can be consecutively adjusted within all vertical gears Figure 2 7 Coarse and Fine Adjustment of Vertical Deflection Factors 2 5 Settings of waveform inverting Waveform inverting can be set by F5 function button The measured input signal will be displayed with 180 degrees difference Please see Figure 2 8 for a non inverted waveform and F...

Страница 21: ...ource2 as CH2 Operator Source1 Source2 Source1 Source2 Source1 Source2 Source1 Source2 Source2 CH1 You can select signal source1 as CH1 CH2 You can select signal source2 as CH2 2 8 FFT spectral analysis Enter FFT fast fourier transform operation the time domain YT signal can be converted into frequency domain signal At FFT operation it is convenient to observe signals of the following types Measur...

Страница 22: ...l waveform by a window function the value at forced starting and ending positions is 0 See the table below for window function application Table 2 5 FFT window function FFT Window Features The most suitable measurement content Rectangle The best frequency resolution and the worst amplitude resolution It is basically similar to the condition without window Signal levels before and after transient s...

Страница 23: ...rrent upper frequency limit can the signal pass through Band pass Only when the signal frequency is higher than current lower frequency limit and lower than current upper frequency limit can the sigal pass through Band stop Only when the signal frequency is lower than current lower frequency limit or higher than current upper frequency limit can the sigal pass through Lower frequency limit Lower l...

Страница 24: ...time base set as main time base the main time base will change when adjusting horizontal time base Extension time base set as extension time base the extension time base will change when adjusting horizontal time base Window extension Press to turn on the extension time base Hold off time To adjust the trigger hold off time by multi purpose knob 3 2 Explanation of nouns YT Mode In this mode the Y ...

Страница 25: ...rm that has been extended horizontally from selected original waveform area What users should pay attention is that the extension time base enhances the resolution compared with main time base as shown in the figure above Because the displayed lower part waveform corresponds to the selected upper part area so the extension time base can be enhanced by rotating the horizontal SCALE in other words i...

Страница 26: ... can also figure out the frequency and phase relation between two signals according to Lissajous figures below Figure 3 4 Common Lissajous Figures Only when CH1 and CH2 are used simultaneously can this method be adopted After selecting XY display mode CH1 volatage is displayed on horizontal axis and CH2 voltage is displayed on vertical voltage Figure 3 5 Waveform Display under XY Mode Note To ensu...

Страница 27: ...signal satisfies a certain set level the trigger starts Pulse Width Trigger When the pulse width of the trigger signal satisfies a certain set condition the trigger starts Video Trigger Conduct field or line trigger for standard video signal Slope Trigger When the rising descending slope of signal meets with the set value the trigger starts Alternating Trigger CH1 and CH2 trigger their own signals...

Страница 28: ... trigger menu Function Menu Setting Description Type Pluse Source CH1 Set CH1 as the triggering signal source CH2 Set CH2 as the triggering signal source EXT Set external trigger input channel as the triggering signal source AC Line Set AC power line as trigger source Trigger coupling AC Block the DC component of triggering signal DC Pass through DC and AC components of triggering signal HF Reject...

Страница 29: ...1 as trigger signal CH2 Set CH2 as trigger signal Trigger coupling AC HF Noise Block the DC components of insput signals Hold off the high frequency components over 80kHz of the signal Hold off the high frequency noise of the signal to reduce the probability of mis trigger Trigger mode AUTO When there is no signal input the system will automatically collect waveform data and the scan base line wil...

Страница 30: ...at 20ns 10s adjust the time through the multifunctional knob on front panel Threshold High level Low level High low level Adjust high level threshold of slope trigger through the LEVEL knob on trigger control area Adjust low level threshold of slope trigger through the LEVEL knob on trigger control area Through the LEVEL knob on trigger control area adjust high level lowl level threshold of slope ...

Страница 31: ... 1 is an example screen display when PAL video trigger model is selected as standard and the synchronization mode is selected as line synchronization Figure 4 2 is an example screen display when the synchronization mode is set to field synchronization Figure 4 1 Video Trigger Line Synchronization Figure 4 2 Video Trigger Field Synchronization 4 5 Alternating trigger During alternating trigger the ...

Страница 32: ... the slope as trigger mode Coupling DC Pass through DC and AC components of triggering signal AC Block the DC component of triggering signal HF Reject high frequency component of the triggering signal LF Reject low frequency component of the triggering signal Noise rejection Suppresses high frequency noise in the signal and reduces the probability of the oscilloscope being falsely triggered Next p...

Страница 33: ...se Hold off time To adjust the trigger hold off time by multi purpose knob Take pulse series as example trigger the first pulse on the pulse series then the holdoff time can be set as pulse string width As shown in the figure below Figure 4 4 Snychronous complex waveform Operation Instruction 1 Based on the synchronization mode of normal signal select to trigger edge trigger source slope of TRIG M...

Страница 34: ...quisition only when trigger conditions are satisfied When there is no trigger signal DSO stops data collection When there is trigger signal the scan will be triggered Single trigger On single trigger mode press Operation once the DSO will enter the status of waiting trigger when the DSO detects a trigger it will collect data and display the collected waveform and then stop 3 Trigger coupling Trigg...

Страница 35: ...isplay waveform High resolution The DSO averages the proximal point of acquired waveform to reduce random noise of input signal and display a smoother wave on the screen Average The DSO acquires some waveforms and calculate their average values and then display the final waveform Averages 2 256 Set average number by using the multipurpose knob the average number is set to 2 4 8 16 32 64 128 256 51...

Страница 36: ...t the real time sampling rate of the system This is used to observe any waveform within the sampling rate of the system Equivalent sampling mode Data sampling at higher than maximum sampling rate of the system This is used to observe any periodical waveform at beyond the maximum sampling rate Peak value mode DSO finds the maximum and minimum value of input signal in each sampling interval and uses...

Страница 37: ... display sampled data points Persistance Set OFF AUTO Short persistence Long Persistence infinite Menu Set 5s 10s 20s manualy Screen protection time Set OFF 1min 5min 10min 30min 1 hour Next page Go to next page Table 6 2 Display Menu Page 2 Function Setting Description Waveform brightness 10 100 Set waveform brightness Grid brightness 10 100 Set grid brightness Backlight 10 100 Set backlight brig...

Страница 38: ...rameter Pop up a selection interface with custom parameters press the multifunctional knob to display parameters Press custom parameter key or MENU key to close the selection interface extremum and average value will be displayed on the screen Next page Go to next page Table 7 1 Automatic measurement menu Page 2 Function Menu Setting Description Indication selection By adjusting multifunctional kn...

Страница 39: ...hest level to waveform lowest level Amplitude Amp The voltage value from waveform top to waveform bottom Mean value Mean The average amplitude value of waveform Cycle mean CycMean The average amplitude value of waveform of one cycle Root Mean Square RMS The effective value The converted energy based on AC signal The DC voltage corresponding to the generating equivalent energy converted energy Cycl...

Страница 40: ...n the first falling edge of source 1 to the first falling edge of source 2 FRLF The time between the first rising edge of source 1 to the last falling edge of source 2 FRLR The time between the first rising edge of source 1 to the last rising edge of source 2 FFLR The time between the first falling edge of source 1 to the last rising edge of source 2 FFLF The time between the first falling edge of...

Страница 41: ...racking is selected move cursor 1 and cursor 2 at the same time T unit Second hertz Set the unit of time measurement Source CH1 CH2 Math Set measurement source 8 2 Cursor measurement display On CURSOR mode user can move the cursor to measure there are two types voltage and time Rotate the Multipurpose knob to adjust the position of AY press Multipurpose knob to shift cursor BY adjust BY position w...

Страница 42: ...ce beween cursor A and cursor B 1 B A represents the reciprocal of time difference For same periodic signal if AX and BX locate at adjacent rising edge 1 B A equal to frequency Y Voltage A B represents the voltage distance between zero point and the cursor A B B A represents the voltage difference beween cursor A and cursor B When voltage is measured the figure bleow displays on the top left of sc...

Страница 43: ...B Select storage location DSO can store 20 groups USB can sotre 200 groups Delete File name Delete Delete the stored files File name The menu will change to file name when the storage medium is USB Save Store the file to current designated storage location Load Load the previous storage location in current designated storage location to get the DSO back to stored setting status Edit file name When...

Страница 44: ... Menu Setting Description Data source CH1 CH2 Select storage channel Storage medium DSO USB Select the set storage location File name Customized Please refer section 9 1 Edit file name Store Press the button to store Previous Go to the previous page Table 9 4 Waveform load menu Function menu Setting Description Reference waveform REF A Select load waveform to REF A REF B Select load waveform to RE...

Страница 45: ...selected storage type is data file stored in CSV format Storage medium USB Only when the USB is plugged into DSO can the data file be stored File name Customized Please refer section 9 1 Edit file name Save Press the button to save Note Only when the USB is plugged into DSO can the data file be stored 9 4 Screen copy Press PrtSc button then current screen will be stored in USB in BMP format This b...

Страница 46: ...Next Go to next page Table 10 2 Utility menu Page 2 Function menu Setting Description Cymometer OFF Turn off frequency meter ON Turn on frequency meter Local square wave It can be set as 10Hz 100Hz 1kHz 10kHz it defaults at 1kHz AUTO strategy Enter AUTO strategy setting the AUTO status can be set please refer to 10 3 AUTO strategy for specific operation LAN setup Enter the dialog box of network se...

Страница 47: ... Set the source Enter Pass Fail menu and then press F3 to set source 4 Display information The screen displays test result 5 Next page 6 Stop setting enter stop setting menu Table 10 4 Stop Setting Function Menu Setting Description Stop type Pass times Auto stop testing after reaching up to the PASS numbers at specified threshold Fail times Auto stop testing after reaching up to the FAIL numbers a...

Страница 48: ...rding 1 Replay button 2 Press this button to replay the replayed frame number displays on the screen rotate the multifunctional knob to stop replaying if keep rotating the knob a particular frame of waveform will be replayed repeatedly 3 If users need to continue replaying all first press and then press 4 Record 1000 frames of data at most Access Only when the storage device is plugged in DSO can ...

Страница 49: ...tup Release Lock Release The channel setting is set as default after AUTO operation Lock The channel setting is unchanged after AUTO operation Sampling setup Release Lock Release The acquiring mode automatically changes to normal sampling after AUTO operation Lock The acquiring mode is unchanged after AUTO operation Trigger setup Release Lock Release The trigger type changes to edge after AUTO ope...

Страница 50: ...tment according to signal frequency Trigger coupling DC Trigger holdoff The minimum value Trigger level Set to 50 Trigger mode AUTO Trigger source Set to CH1 If there is no signal for CH1 and a signal is exerted on CH2 then set to CH2 Trigger gradient Ascending Trigger type Edge Bandwidth limit OFF Volt Divs Auto adjustment according to singnal amplitude NOTE When AUTO strategy is set as default i...

Страница 51: ... will display whether or not update press F3 to update If two or more than two program files are stored in USB the interface of selecting files will appear press F1 to select a program file to be updated and press F3 to start updating 4 When the update is completed a prompt of successful update will appear please unplug the USB and turn off the DSO the program update is complete when you turn on t...

Страница 52: ...s To measure signal frequency and peak to peak value follow the steps below Press MEASURE to display auto measurement menu Press F4 to enter custom parameter selection window Move the slection box through multifunctional knob to peak to peak value and then press multifunctional knob to complete the selection of peak to peak parameter According to step 3 move the selection box to Frequency and pres...

Страница 53: ...e the selection box through multifunctional knob to rising time press multifunctional knob to complete the selection of rising delay parameter measurement Press F4 or MENU button to close custom parameter selection window Observe waveform changes see the figure below Figure 12 2 Waveform delay Example 3 Acquiring single signal The advantage and special feature of your digital storage Oscilloscope ...

Страница 54: ...uired set the trigger level to just higher than the normal signal level Press RUN STOP and begin waiting When a glitch occurs the machine will automatically trigger and record the waveform immediately before and after triggering By turning the horizontal POSITION knob in the horizontal control zone on the front panel you can change the trigger position horizontally to achieve negative delay trigge...

Страница 55: ... being measured is stacked with random noise and the waveform is too coarse as a result you can use the average sampling mode to eliminate random noise display and reduce the size of waveform for easy observation and measurement After getting the mean random noise is reduced and details of the signal are clearer Follow the steps below Press ACQUIRE in the menu zone of the front panel to display th...

Страница 56: ...control knob to set cursor 1 at one step voltage of the step signal 4 Press SELECT to select the cursor then turn the multifunction control knob again to set cursor 2 at another step voltage of the step signal The cursor menu will automatically display the V value i e the voltage difference of that point See the figure below Figure 12 6 Measure the voltage difference of signals by cursors Note Whe...

Страница 57: ...below to find the cause Check if the probe is connected to the signal test point correctly Check if the signal connection line is connected to the input point of analog channel Check if the input point of analog channel signal is consistent with the open channel Connect the probe tip to the compensating signal connector of DSO to check if the probe is in good condition Check if the thing to be mea...

Страница 58: ...lect other acquiring modes i e normal sampling Check if the persistence in DISPLAY button menu is set relatively long or infinite 5 The waveform is like stair step shape Stair step waveform is normal The horizontal time base scale may be is overlow increase the horizontal time base to increase the horizontal resolutuion which can improve the display The display type may be vector the connecting li...

Страница 59: ...052 CL UTD2072 CL UTD2102CL PRO UTD2102CL UTD2152 CL UTD2102 CEX UTD2152 CEX UTD2202 CEX UTD2202 PRO Real time 500MS s 500MS s 500MS s 500MS s 1GS s 1GS s 1GS s Equivalence 50GS s 50GS s 50GS s 50GS s 50GS s 50GS s 50GS s Average When the sampling times of all channels are N N can be chosen among 2 4 8 16 32 64 128 and 256 Input Channel Specifications Input Coupling DC AC and GND Input impedance 1...

Страница 60: ...V div 20 V div at 1 2 5 increment Position range 8div Selectable bandwidth limitation Typical 20MHz Low frequency response AC Coupling 3dB 5 Hz above BNC DC gain accuracy sampling or average sampling mode 5mV 20V div 3 1mV 2mV div 4 DC measurement accuracy average sampling mode When vertical position is 0 and N 16 4 reading 0 1div 1mV and selects 1mV 2mV div 3 reading 0 1div 1mV and selects 10mV 2...

Страница 61: ...s adjustable Hold off range 80ns 1 5s Set the level to 50 Typical Operate under the condition of input signal frequency of 50Hz Trigger mode AUTO normal single High frequency holdoff Hold off signals over 80kHz Low frequency holdoff Hold off signals below 80kHz Edge trigger Edge Rise fall rise fall Pulse width trigger Trigger mode Polarity positive pulse width negative pulse width Pulse width rang...

Страница 62: ...FFFF FRLF FRLR FFLR FFLF Measurement quantity Display 5 types of measurement at the same time Measurement scope Screen or cursor Measurement statistics Average value maximum value minimum value and standard deviation Math Math operation Window Rectangle Hanning Blackman Hamming Vertical scale Vrms dBVrms Digital filtering Low pass high pass band pass band reject Storage Setting Internal 20 groups ...

Страница 63: ...e load 1MΩ Frequency Typical 10Hz 100Hz 1kHz Default 10kHz Power Source Power voltage 100V 240V Fluctuations 10 50 60Hz Power consumption 100VA max Fuse F 1 6A 250V Environment Specifications Intended use Indoor use Pollution degree 2 Operating temperature Operating Temperature Range 0 40 Storage Temperature Storage Temperature Range 20 60 Cooling Build in cooling fan Operating Humidity Range 35 9...

Страница 64: ...instrument or probe with spray liquid or solvent so as to avoid damaging the instrument or probe 2 Clearing Check the instrument and probe frequently Clean the surface of the instrument according to the following steps Please wipe the surface of the instrument and probe with soft cloth Pay attention not to scratch the LCD screen Wipe the instrument with wet cloth after disconnecting the power supp...

Страница 65: ...and except the guarantee given herein or in other applicable warranty UNI T makes no other express or implied guarantee including but not limited to any implied guarantee on the product s tradability and suitability for any specific purpose Under no circumstance will UNI T bear any liability for any indirect special or subsequent loss Appendix D Contact Us For product support outside China contact...

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