UNI-T UTD4000 Series User Manual
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UNI-T UTD4000 Series User Manual

UNI-T UTD4000 Series User Manual

Four-channel digital storage oscilloscope
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Safety Instructions
This unit is designed and manufactured strictly in
accordance with GB4793 safety requirements for
electronic testing meters and IEC61010-1 safety
standards. It fully meets CAT II 600V insulation and
overvoltage requirements and Grade II anti-pollution
safety standards. To prevent personal injuries and
damage of this unit or any other devices connected to
,
it please take note of the following safety precautions
To avoid potential hazards use this unit strictly as
instructed by this User Manual
Maintenance should only be carried out by a
trained professional.
To avoid fire and personal injury
Use a correct power cable
power cable which is authorized in the country of use.
Remove the plug correctly
or testing cable when they are connected to power.
Ensure good grounding :
,
.
,
:
Use only the specified
:
Do not remove the probe
This unit is grounded by
UTD4000 Four-channel User Manual
the ground wire of the power cable. To avoid electric
shock, the grounding conductor must touch the
ground. Before connecting the input or output
terminal, ensure the unit is properly grounded.
Connect the probe of the digital storage
:
oscilloscope
The probe ground cable is the same
as ground potential. Do not connect the ground cable
to non ground voltage or high voltage.
Check the rated values of all terminals
.
fire and excessive current shock please check all
rated values and label data Read the manual
carefully and check the rated values before
.
connecting the unit
Do not operate the unit with the chassis cover
:
open
Do not operate this unit when the outer cover
or front panel is open.
:
Use suitable fuses
and rated specifications.
Avoid exposing circuitry
make contact with exposed adaptor or components.
:
To prevent
,
.
Only use specified fuse types
:
When power is on, never

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Summary of Contents for UNI-T UTD4000 Series

  • Page 1 UTD4000 Four-channel User Manual Safety Instructions the ground wire of the power cable. To avoid electric shock, the grounding conductor must touch the This unit is designed and manufactured strictly in ground. Before connecting the input or output accordance with GB4793 safety requirements for terminal, ensure the unit is properly grounded.
  • Page 2 UTD4000 Four-channel User Manual : If you When fault is suspected, stop operation Messages on the product The following suspect a fault, ask a qualified maintenance messages may appear on the product " " professional to carry out inspection. Danger means potential damage that is Maintain good ventilation.
  • Page 3 UTD4000 Four-channel User Manual Preface Appendix C : Maintenance and Cleaning This manual provides information on the operation of the Appendix D : Factory Setup UTD4000 four-channel digital storage oscilloscope series. Guidance is given in several chapters as follows : Chapter 1 User Guide Simple guide to oscilloscope functions and installation...
  • Page 4 UTD4000 Four-channel User Manual The UTD4000 Four-channel Digital Storage Oscilloscope Series UTD4000 four-channel digital storage oscilloscopes offer user-friendliness, outstanding technical indicators and a host of advanced features. They are your perfect tools to complete testing tasks swiftly and efficiently. This manual is a user guide for 3 models of this digital storage oscilloscope series : Dual-channel Sampling Equivalent Sampling Model...
  • Page 5 UTD4000 Four-channel User Manual ● UTD4000 four-channel digital storage oscilloscopes 24k storage depth; 60M equivalent storage offer a user-friendly front panel with clear indications depth; 1024k recording length to allow access to all basic functions for easy ● Unique envelop sampling feature with direct operation.
  • Page 6 UTD4000 Four-channel User Manual ● ● Edge, video, pulse, slope and alternate trigger 2x multimeter test lead; 2x c urrent -to-voltage functions converter module: UT M03/UT-M04 ● Automatic measurement of 24 waveform parameters parameters testing and customization ● Multiple AUTO setups for extra flexibility ●...

  • Page 7: Table Of Contents

    UTD4000 Four-channel User Manual Table of Contents Item Page Safety Instructions Preface Chapter 1 User Guide------------------------------------------------------------------------------ General Inspection---------------------------------------------------------------------- Functional Check ----------------------------------------------------------------------- Probe Compensation ------------------------------------------------------------------ Automatic Setup for Waveform Display ---------------------------------------------- Getting to Know the Vertical System -------------------------------------------------- Getting to Know the Horizontal System ----------------------------------------------- Getting to Know the Trigger System --------------------------------------------------...
  • Page 8 UTD4000 Four-channel User Manual Item Page Utility Function Setup ---------------------------------------------------------------- Automatic Measurement ----------------------------------------------------------- Cursor Measurement ----------------------------------------------------------------- Using the Run/Stop ----------------------------------------------------------------------- Auto Setup ------------------------------------------------------------------------------- Multimeter Measurement ------------------------------------------------------------- Help System ----------------------------------------------------------------------------- Chapter 3 Practical Example Illustrations ----------------------------------------------------------- Illustration 1 : Measuring simple signals ------------------------------------------- Illustration 2 : Observing the delay caused by a sine wave signal passes through the circuit...
  • Page 9 UTD4000 Four-channel User Manual Page Chapter 4 System Prompts and Trouble-shooting ------------------------------------------- Definitions of System Prompts ----------------------------------------------------- Troubleshooting----------------------------------------------------------------------- Chapter 5 Upgrading System Software on USB ---------------------------------------------- Chapter 6 Technical Indicators ------------------------------------------------------------------ Appendix A : Technical indicators-------------------------------------------------- Appendix B : Accessories for UTD4000 Four-channel Digital Storage Oscilloscope Series ------------------------------------------------------------------ Appendix C : Maintenance and Cleaning-----------------------------------------...

  • Page 10: Chapter 1 User Guide

    UTD4000 Four-channel User Manual can get started with your UTD4000 four-channel Chapter 1 User Guide digital storage oscilloscope as quickly as possible. Yo u r U T D 4 0 0 0 F o u r - c h a n n e l d i g i t a l s t o r a g e Your UTD4000 Four-channel oscilloscope comes with oscilloscope is a small and compact benchtop device.
  • Page 11 UTD4000 Four-channel User Manual Figure 1-1 UTD4000 Four-channel Series Digital Storage Oscilloscope...
  • Page 12 UTD4000 Four-channel User Manual External trigger USB device communication channel interface Figure 1-2 Back cover of UTD4000 four-channel digital storage oscilloscope...
  • Page 13 UTD4000 Four-channel User Manual Multifunction Frequently knob Used Menus UTD4304C TRIGGER 300MHz 2GS/s DIGITAL STORAGE OSCILLOSCOPE CLOSE MEASURE ACQUIRE STORAGE RUN/STOP MENU MENU Trigger controls ON/OFF CURSOR DISPLAY UTILITY AUTO VERTICAL HORIZONTAL POSITION POSITION POSITION POSITION POSITION Horizontal controls Vertical controls MATH HELP MENU...
  • Page 14 UTD4000 Four-channel User Manual Displaying the horizontal trigger position Trigger status display Trigger frequency counter The menu varies with individual function keys Channel vertical reference Waveform display window Channel vertical attenuation range Displaying main Trigger level time base setup Figure 1-4 Schematic diagram of the display interface...

  • Page 15: General Inspection

    UTD4000 Four-channel User Manual test, please contact your UNI-T dealer or our local General Inspection office. We suggest checking your new UTD4000 Four- In the event of any shipping damages, please retain channel oscilloscope in the following steps. the packaging and notify our shipping department or 1.
  • Page 16 UTD4000 Four-channel User Manual 1. Power on the unit Power on the unit. AC power supply voltage range is 1 0 0 V t o 2 4 0 V, f r e q u e n c y 4 5 H z - 4 4 0 H z . A f t e r connecting to power, start the self calibration process Utility key on the optimal oscilloscope signal path at greatest...
  • Page 17 UTD4000 Four-channel User Manual ① 2. Accessing signals Connect the probe of the digital storage oscilloscope to the CH input terminal and set Yo u r U T D 4 0 0 0 F o u r - c h a n n e l d i g i t a l s t o r a g e the attenuation switch of the probe to oscilloscope has four input channels and an external - ) .
  • Page 18 UTD4000 Four-channel User Manual ② ③ You have to set the probe attenuation factor of Connect the probe tip and ground clamp to the the oscilloscope. This factor changes the vertical connection terminal for the probe compensation range multiple to ensure the measurement result signal.

  • Page 19: Probe Compensation

    UTD4000 Four-channel User Manual Observe the displayed waveform. Probe Compensation When connecting the probe to any input channel for the first time, perform this adjustment to match the probe to the channel. Skipping the compensation calibration step will result in measurement error or fault. Please adjust probe Overcompensation Correct Compensation Undercompensation compensation as follows : Figure 1-10 Probe compensation calibration...

  • Page 20: Automatic Setup For Waveform Display

    UTD4000 Four-channel User Manual Automatic Setup for Waveform Display Getting to Know the Vertical System Yo u r U T D 4 0 0 0 F o u r - c h a n n e l d i g i t a l s t o r a g e As shown in the figure below, there are a group of oscilloscope features an auto setup function.
  • Page 21 UTD4000 Four-channel User Manual POSITION knob move waveform Measurement Tips : vertically. Press this knob to quickly return to the If the channel coupling is DC, you can measure the centre point signal s DC component quickly by checking the Press the [ ], [ ], [...

  • Page 22: Getting To Know The Horizontal System

    UTD4000 Four-channel User Manual POSITION knob can move all channels MATH Getting to Know the System Horizontal waveforms and REF waveforms horizontally Press As shown in the figure below, there are one button this knob to quickly return to the centre point and two knobs in the horizontal control zone.
  • Page 23 UTD4000 Four-channel User Manual Use the horizontal POSITION knob to adjust Shortcut key for resetting the trigger point to horizontal position waveform horizontal zero : window. When the horizontal POSITION knob is When the trigger point has shifted significantly away turned you can see that the waveform moves from the horizontal centre point, use the [POSITION]...

  • Page 24: Getting To Know The Trigger System

    UTD4000 Four-channel User Manual Trigger LEVEL knob Getting to Know the Trigger System When operating edge, pulse width and slew rate As shown in Figure 1 13 there are one knob and triggers, set the amplitude to be crossed by the one button in the trigger menu control zone.
  • Page 25 UTD4000 Four-channel User Manual P r e s s [ ] a n d s e l e c t C H 1 f o r [ S I G N A L Notes : SOURCE ] (Turn the MULTIPURPOSE control knob to select and then press that key to I c o n u t i l i t y f u n c t i o n o f t h e...

  • Page 26: Chapter 2 Instrument Setups

    UTD4000 Four-channel User Manual ● Setting up the display mode DISPLAY Chapter 2 Instrument Setups ● Storage and recall ([ STORAGE You should be familiar with basic operation of the ● Setting up the help system ([ UTILITY vertical controls, horizontal controls and trigger ●...

  • Page 27: Setting The Vertical System

    UTD4000 Four-channel User Manual Setting the Vertical System CH1, CH2, CH3, CH4 and setups Each channel has its own vertical menu. You should set up each item for each channel individually. Press the ], [ ], [ ] or [ ] function button and the system will display the operation menu for CH1, CH2, CH3 or CH4.
  • Page 28 UTD4000 Four-channel User Manual 1. Setting up channel coupling : Ω Press [ ] twice to select DC 1M Both DC and AC Take an example of applying a signal to CH1. The quantities of the testing signal being inputted to signal being tested is a sine signal that contains CH1 can pass through The waveform display is...
  • Page 29 UTD4000 Four-channel User Manual Press [ ] then [ ] to select ground. It is now set up 2. Setting the channel bandwidth limit as ground. The waveform display is as follows : Take applying a signal to Ch1 as an example, the s i g n a l t o b e t e s t e d c o n t a i n s h i g h f r e q u e n c y quantities.
  • Page 30 UTD4000 Four-channel User Manual Press [ ] then [ ]. The noise and high frequency 3. Setting up the probe rate quantities over 20MHz of the signal being tested are To match the probe attenuation factor setup, it is now restricted. Waveform display is as follows. necessary to set up the probe attenuation factor in channel operation...
  • Page 31 UTD4000 Four-channel User Manual 4. Vertical VOLTS/DIV adjustment setup 5. Waveform inversion setup You can adjust the VOLTS/DIV range of the vertical Waveform inversion : The displayed signal is inverted deflection factor either in the coarse tune mode or 180 degrees. Figure 2-8 shows the non inverted fine tune mode.
  • Page 32 UTD4000 Four-channel User Manual Operating Math Functions + , - , ×, ÷ Math functions are displays of and FFT mathematical results of waveform channels CH1, CH2, CH3 and CH4, and the digitally filtered waveform. The menu is as follows : Inverted waveform Waveform inversion icon...
  • Page 33 UTD4000 Four-channel User Manual Table 2-2a Explanatory notes for the Math menu (1) Function Menu Setup Explanatory Note Type Math To carry out functions ＋ －, , × ÷ Source 1 Source 1 as CH1 waveform Source 1 as CH2 waveform Source 1 as CH3 waveform Source...
  • Page 34 UTD4000 Four-channel User Manual Table 2-2b Explanatory notes for the Math menu (2) Function Menu Setup Explanatory Note Compress Scale the waveform by ratio. There are four ratios to choose 1/10 from : 1/1, 1/10, 1/100, 1/1000 1/100 1/1000 Y Offset Use the MULTIPURPOSE control knob to move the waveform...
  • Page 35 UTD4000 Four-channel User Manual FFT spectrum analysis By using the FFT (Fast Fourier Transform algorithm you can convert time domain signals into Fundamental frequency domain signals With FFT you can frequency component 1 MHz conveniently observe the following types of signals Third harmonic ●...
  • Page 36 UTD4000 Four-channel User Manual Table 2-3a Explanatory notes for the FFT menu (1) Function Menu Setup Explanatory Note Type To carry out FFT algorithm functions Source Set CH1 as math waveform Set CH2 as math waveform Set CH3 as math waveform Set CH4 as math waveform Window Hamming...
  • Page 37 UTD4000 Four-channel User Manual waveform by one window function to set the value to 0 How to use FFT functions for start and finish compulsively. For application of the Signals with DC quantities or DC offset will cause window function, please see the table below : error or offset of FFT waveform quantities.
  • Page 38 UTD4000 Four-channel User Manual Table 2-4 FFT Window Feature Most Suitable Measurement Item Rectangle The best frequency recognition rate Temporary or fast pulse. Signal level is generally the worst amplitude recognition rate the same before and after. Equal sine wave of very Basically similar to a status without similar frequency.
  • Page 39 UTD4000 Four-channel User Manual Digital Filtering Function Table 2-5a Explanatory notes for the digital filtering menu (1) Function Menu Setup Explanatory Note Type Filter Digital filtering Source Set CH1 as filter target Set CH2 as filter target Set CH3 as filter target Setting the Set CH4 as filter target maximum...
  • Page 40 UTD4000 Four-channel User Manual Table 2-5b Explanatory notes for the digital filtering menu (2) Function Menu Setup Explanatory Note Upper Limit ---- Effective only during low-pass filtering or band-pass filtering. Use the MULTIPURPOSE control knob to set the maximum frequency Lower Limit ---- Effective only during high-pass filtering or band-pass filtering.
  • Page 41 UTD4000 Four-channel User Manual Reference Waveform step 2. Display of the saved reference waveforms can be set To close the reference waveform, press [ on or off in the REF menu. The waveforms are saved In actual application, when using your UTD4000 in the non volatile memory of the oscilloscope or an Four-channel to measure and observe such...
  • Page 42 UTD4000 Four-channel User Manual Table 2-6a Explanatory notes for the REF menu (1) Function Menu Setup Explanatory Note Ref Wave REF A Select REF A as the reference waveform REF B Select REF B as the reference waveform Load Recall waveforms stored in 10 positions then select one with the MULTIPURPOSE control knob Press the control knob to...
  • Page 43 UTD4000 Four-channel User Manual Table 2-7 Explanatory notes for the USB menu Function Menu Setup Explanatory Note File name Use the MULTIPURPOSE control knob and key to set the document name to be imported from the USB device. For specific operation instruction see note 2 After confirming, go back to the REF menu.

  • Page 44: Setting The Horizontal System

    UTD4000 Four-channel User Manual Setting the Horizontal System to change horizontal time base graticule and use the horizontal POSITION knob to change the Horizontal Control relative position if the triggering point on the screen For instructions on how to display the You can use the horizontal control knobs to change horizontal menu MENU...
  • Page 45 UTD4000 Four-channel User Manual Table 2-8 Explanatory notes for the horizontal menu Function Menu Setup Explanatory Note Window ---- Press [ ] to switch between the “ main screen and ” “ expanded window ” Dual Xbase Enter the dual time base menu. See Table 2-9 96.0000ns~ 1.50000s Holdoff Use the...
  • Page 46 UTD4000 Four-channel User Manual Window Expansion The window expansion setting cannot be slower than the main time base setting. Maximum magnification Window expansion can be used to zoom in a band of multiple is 100x. waveform to check image details. Please refer to In the window extension mode, the display is divided Figure 2-14.
  • Page 47 UTD4000 Four-channel User Manual Dual Time Base Function The dual time base function is similar to window extension but there is a fundamental difference Delayed time the window extension mode you can magnify the base M2 waveform times whereas in the dual time base mode magnify...
  • Page 48 UTD4000 Four-channel User Manual Table 2-9 Explanatory notes for the dual time base menu Function Menu Setup Explanatory Note Main Switching between main time base and dual time base Mode Dual For dual time base mode instructions see Figure 2-15 M1 Base CH1, CH2, Switch to the waveform displayed on a different channel.

  • Page 49: Setting The Trigger System

    UTD4000 Four-channel User Manual LEVEL knob to change the trigger point s vertical Setting the Trigger System position on the trigger edge, i.e. the intersection point Triggering decides when the oscilloscope collects of the trigger level line and the signal edge on the data and display waveforms.
  • Page 50 UTD4000 Four-channel User Manual Table 2-10 Edge trigger Function Menu Setup Explanatory Note Type Edge Source Ch1, CH2, CH3, CH4 Set CH1, CH2, CH3 or CH4 as the signal source trigger signal EXT, EXT/5 Set to external trigger or divide the external trigger source by 5 LINE Set to AC power trigger CH1 &...
  • Page 51 UTD4000 Four-channel User Manual Table 2-10 Edge trigger Connected to the table Function Menu Setup Explanatory Note Slope Rise S e t t o t r i g g e r a t t h e s i g n a l s r i s i n g e d g e Fall S e t t o t r i g g e r a t t h e s i g n a l s f a l l i n g e d g e Rise-Fall...
  • Page 52 UTD4000 Four-channel User Manual Table 2-11 Pulse width Trigger Function Menu Setup Explanatory Note Auto Mode The system automatically acquires waveform data when there is no trigger signal. The scan baseline is shown on the display. When the trigger signal is generated, it automatically turns to trigger scan Normal The system stops acquiring data when there is no trigger signal.
  • Page 53 UTD4000 Four-channel User Manual Table 2-1 Pulse width setup Function Menu Setup Explanatory Note Type Pulse width Setting Set pulse width trigger to 20.0ns-10s with the MULTIPURPOSE control knob Back ---- Return to the pulse width trigger menu Video Trigger By selecting video trigger, you can carry out field or line trigger with NTSC or PAL standard video signals.
  • Page 54 UTD4000 Four-channel User Manual Table 2-14 Video Setup Function Menu Setup Explanatory Note Standard Suitable for PAL video signals NTSC Suitable for NTSC video signals Sync Odd Field Set the video odd field to synchronized trigger Even Field Set the video even field to synchronized trigger All lines Set the line signal to synchronize with trigger Line Num...
  • Page 55 UTD4000 Four-channel User Manual Slope trigger If slope trigger is selected, trigger occurs when the signal s rising or falling rate meets the set condition. For the trigger menu see Table 2-15 below Figure 2-17 Video trigger : Field synchronization...
  • Page 56 UTD4000 Four-channel User Manual Table 2-15 Slope trigger Function Menu Setup Explanatory Note Type Slew rate Source Ch1, CH2, CH3, CH4 Set CH1, CH2, CH3 or CH4 as the signal source trigger signal EXT, EXT/5 Set to external trigger or divide the external trigger source by 5 LINE Set to AC power trigger CH1 &...
  • Page 57 UTD4000 Four-channel User Manual Table 2-16 Slew rate setup Function Menu Setup Explanatory Note Polarity Rise Select the rising edge within the threshold for trigger Fall Select the falling edge within the threshold for trigger When Trigger occurs when the signal slew rate within the threshold is <...
  • Page 58 UTD4000 Four-channel User Manual Adjusting the Holdoff Time Yo u c a n a d j u s t t h e h o l d o ff t i m e t o o b s e r v e complicated waveforms (e.g.
  • Page 59 UTD4000 Four-channel User Manual Operation Definitions Trigger source The signal used for trigger. 1. Follow the normal signal synchronization The signal for trigger can be obtained from procedure and select the edge and trigger source in various sources : input channel (CH1, CH2, CH3, trigger [ MENU ].
  • Page 60 UTD4000 Four-channel User Manual ■ LINE means the AC power source This signal. When the trigger signal is generated, trigger mode is suitable for observing signals trigger scan occurs. related to the AC power the correlation ■ Single Trigger In this mode you only have between lighting equipment and power source to press the...

  • Page 61: Setting The Sampling System

    UTD4000 Four-channel User Manual Pretrigger/Delayed Trigger Data sampled Setting the Sampling System before after triggering As shown below, [ ACQUIRE ] button in the control The trigger position is typically set at the zone is the function key for the sampling system. horizontal center of the screen.
  • Page 62 UTD4000 Four-channel User Manual Table 2-18 Sampling menu Function Menu Setup Explanatory Note Normal Acquisition Ordinary sampling mode Peak Peak detect mode Average Set to average sampling with display of the average number of times Envelop Envelop sampling 2~256 Average number of Set the average number of times in multiples of 2, i.e.
  • Page 63 UTD4000 Four-channel User Manual Notes : Use Real time sampling observe single signals Use Equivalent sampling observe high frequency cyclical signals. To avoid mixed envelop when observing a signal, select Peak Detect To reduce random noise displayed signal select average sampling and increase the average number of times in multiples of 2 i e selecting from 2 to Figure 2-20 Waveform without average...
  • Page 64 UTD4000 Four-channel User Manual Definitions : Average mode The oscilloscope acquires several waveforms and take the average value to display Real time sampling Acquiring the data required in the final waveform You can use this mode to one go. Maximum sampling rate is 2GS/s. reduce random noise Equivalent sampling This is a repeated sampling...

  • Page 65: Setting The Display System

    UTD4000 Four-channel User Manual Setting the Display System Press the [ DISPLAY ] button to pop out the setup menu shown below. You can use this menu to adjust As shown below, the [ DISPLAY ] key in the control the display mode.
  • Page 66 UTD4000 Four-channel User Manual Table 2-1 Display menu Function Menu Setup Explanatory Note Full Graticule Set the grid display mode of the waveform zone to full, grid, Grid Cross Hair or frame Cross Hair Frame Auto Persist Waveform on the screen is refreshed at normal rate Waveform on the screen is maintained for 1 second and then refreshed Waveform on the screen is maintained for 2 seconds and then...
  • Page 67 UTD4000 Four-channel User Manual X-Y Mode Caution : In the normal mode, you can move figures This mode offers two separate displays. The first horizontally with the CH1 or CH3 POSITION knob group is CH1 and CH2, i.e. CH1 signal input on the and move figures vertically with the CH2 or CH4 horizontal axis (X axis) and CH2 signal input on the...

  • Page 68: Storage And Recall

    UTD4000 Four-channel User Manual Key points : Storage and Recall Display Type Vector display fills the space As shown below, the [ STORAGE ] button in the control between adjacent sampling points in display. The dot zone is the function key for the storage system mode displays only the sampling points Refresh Rate Refresh rate is the number of...
  • Page 69 UTD4000 Four-channel User Manual Instructions : Note Press [ STORAGE to go to the type menu. There About “ Internal ” “ ” formats When are three types to choose from : Setting, Wave, exporting “ reference waveform ” Bitmap. device select internal...
  • Page 70 UTD4000 Four-channel User Manual Table 2-21 USB menu Function Menu Setup Explanatory Note Filename Set the document name to be imported from the USB device with MULTIPURPOSE control knob and For specific steps see note 2 ( 34) CSV, Iternal Format See note ----...
  • Page 71 UTD4000 Four-channel User Manual Table 2-22 Save setup menu Function Menu Setup Explanatory Note Load Recall 10 internal save positions and select one of them with the 1~10 MULTIPURPOSE control knob Press the MULTIPURPOSE control knob to confirm See Table 2-23 Import Enter the USB menu See Table 2-23...
  • Page 72 UTD4000 Four-channel User Manual 3. Select bitmap to enter the bitmap export menu See Table 2-24 Note : A bitmap can only be exported to a USB device. Table 2-24 Bitmap export menu Function Menu Setup Explanatory Note Bitmap Export the display waveform to the USB device in bmp format ---- Export See Table 2-25...

  • Page 73: Utility Function Setup

    UTD4000 Four-channel User Manual Utility Function Setup As shown below, the [ UTILITY ] key in the control zone is the function key for utility functions. Figure 2-25 Function key for the sampling system (function) Press the [ UTILITY ] key to pop out the setup menu for utility functions.
  • Page 74 UTD4000 Four-channel User Manual Table 2-26 Utility menu Function Menu Setup Explanatory Note Configure Self Cal Run auto system calibration Version Display information like oscilloscope model, version and serial number Erase Clear all saved reference waveforms and setups RTC Setup Enter date and time setup.
  • Page 75 UTD4000 Four-channel User Manual Table 2-27 Utility menu Function Menu Setup Explanatory Note Cymometer ON/OFF Displayed at the top right corner of the screen when turned on. See note Interface Set GPIB and LAN for communication. Applicable for optional accessory UT-M06 ---- ---- Pre 2/2...
  • Page 76 UTD4000 Four-channel User Manual Table 2-28 Waveform record menu Function Menu Setup Explanatory Note ■F(4) Stop recording F(3) Playback button 1. When you press this button the system plays back and displays the number of screens to be played back. By turning MULTIPURPOSE control knob you can suspend...
  • Page 77 UTD4000 Four-channel User Manual （ ） Table 2-29 RTC setup Real Time Clock Function Menu Setup Explanatory Note Display On/Off Turn on the time display. Time display is disabled when the frequency counter is in use Min&Hour Press [ ] to select minute or hour, then adjust with the MULTIPURPOSE control knob Day&Mon...
  • Page 78 UTD4000 Four-channel User Manual Unlock : In Auto mode the setup will go back to Important Points : default for auto setup. Auto Calibration : You can correct measurement Locked : In Auto mode the current status is locked for errors caused by environmental changes with the auto setup.

  • Page 79: Automatic Measurement

    UTD4000 Four-channel User Manual Automatic Measurement As shown below, the [ MEASURE ] key is the function key for auto measurement. Read the following instructions to familiarize with all the powerful automatic measurement functions of your UTD4000 Four channel digital storage oscilloscope Measurement menu Figure 2-26 Function key for the sampling Operation : Press [...
  • Page 80 UTD4000 Four-channel User Manual Table 2- Measurement menu Function Menu Setup Explanatory Note The rising edge or falling edge time interval of a random channel Delay Phase waveform. See Table 2-33 ---- ---- ---- Pre 2/2 Confirm your setting and return to the Utility menu Table 2- Delay menu Function Menu...
  • Page 81 UTD4000 Four-channel User Manual Note Automatic measurement of voltage parameters Customised parameters are for quick parameter Four-channel Your UTD4000 Series Oscilloscope measurement. The measurement menu of your can automatically measure the following voltage oscilloscope is capable of measuring 26 waveform parameters : parameters.
  • Page 82 UTD4000 Four-channel User Manual Preshoot : The ratio value of the difference between Positive Pulse Width (+Width) : The pulse width when minimum value and base value to the amplitude positive pulse is at 50% amplitude. value. Negative Pulse Width (-Width) : The pulse width when Average : Average amplitude of signals within 1 cycle.

  • Page 83: Cursor Measurement

    UTD4000 Four-channel User Manual Cursor Measurement Press [CURSOR] to display the measurement cursor and cursor menu, then adjust the cursor position by turning the MULTIPURPOSE control knob shown in the figure below CURSOR in the control zone function cursor Figure 2-27 Function key for the sampling measurement system (cursor) Notes...
  • Page 84 UTD4000 Four-channel User Manual Table 2- 34 T ime cursor measurement menu Function Menu Setup Explanatory Note Type Time Measure time with the cursor Mode Independent Move any one of the two cursors △ Tracking Move two cursors simultaneously without changing Second V Units Select time as the measurement parameter...

  • Page 85: Using The Run/Stop

    UTD4000 Four-channel User Manual RUN/STOP Using the Run Button Acquire waveform continuously or stop acquisition. There is a button on the top right corner on the front If you want the oscilloscope to acquire waveform panel : [ RUN/STOP ]. When this button is pressed and continuously, press [ RUN/STOP ] once.

  • Page 86: Auto Setup

    UTD4000 Four-channel User Manual Auto Setup : As shown above, Auto Setup can simplify operation. base range according to the amplitude and frequency of the waveform, and ensure stable display of the Press [ AUTO ] and the oscilloscope can automatically waveform.

  • Page 87: Multimeter Measurement

    UTD4000 Four-channel User Manual Menu Display ON/OFF : select an appropriate range. If you are not certain about the curr ent being tested, make an To display or hide the current menu estimation, use the UT-M04(4A) which has the “ ”...
  • Page 88 UTD4000 Four-channel User Manual Table 2- DMM Menu Function Menu Setup Explanatory Note ON/OFF DMM functions on/off Funtion Mode Voltage Activate the voltage measurement function. Maximum measurement value for DC voltage is 400V. Maximum measurement value for AC voltage is 400V Resistance Activate the resistance measurement function.

  • Page 89: Chapter 3 Practical Example Illustrations

    UTD4000 Four-channel User Manual Voltage and time parameters for automatic Chapter Practical Example measurement Illustrations Your oscilloscope can automatically measure m o s t d i s p l a y s i g n a l s . To m e a s u r e s i g n a l frequency and peak-to-peak value, follow the Illustration 1 : Measuring simple signals steps below :...

  • Page 90: Illustration 2 : Observing The Delay Caused By A Sine Wave Signal Passes Through The Circuit

    UTD4000 Four-channel User Manual Peak-to-peak and frequency measurements will now Illustration 2 : Observing the delay caused by a appear at the bottom of the screen, as shown in sine wave signal passes through the circuit Figure 3-1. As in the previous scenario, set the probe attenuation factor of the probe and oscilloscope channel to 10X.
  • Page 91 UTD4000 Four-channel User Manual Observing the delay caused by a sine wave signal passes through the circuit and observing waveform changes. ① When measuring channel delay automatically : Press [ MEASURE ] to display the automatic measurement menu. Press [ ] to enter next measurement menu.

  • Page 92: Illustration 3 : Acquiring Single Signals

    UTD4000 Four-channel User Manual Illustration 3 : Acquiring single signals single and set slew rate type to rising ③ Adjust horizontal time base and vertical range to The advantage and special feature of your digital storage oscilloscopes lie in its ability to acquire non an appropriate range.

  • Page 93: Illustration 4 Reducing Random Noise Of Signals

    UTD4000 Four-channel User Manual Illustration 4 Reducing random noise of signals If the signal being measured is stacked with random noise, you can adjust the setups of your oscilloscope to filter or reduce the noise, so it will not cause interference to the signal during measurement.
  • Page 94 UTD4000 Four-channel User Manual Steps : to pass through. By setting low frequency suppression or high frequency suppression As in t he prev ious illust rat ion, set t he suppress low frequency or high attenuation factor of the probe and Ch1. frequency noise respectively and achieve a Connect the signal to ensure stable display of stable trigger.

  • Page 95: Illustration 5 : Using The Cursors For Measurement

    UTD4000 Four-channel User Manual 2 to 256 until you get the desired Illustration 5 : Using the cursors for measurement waveform display that meets observation and Yo u r o s c i l l o s c o p e c a n m e a s u r e 2 8 w a v e f o r m measurement requirements See the figure parameters automatically.
  • Page 96 UTD4000 Four-channel User Manual Press the MULTIPURPOSE control knob to II. Measuring the negative duty ratio of a pulse select cursor 2 then turn the MULTIPURPOSE signal control knob again to set cursor 2 at the Sinc P r e s s [ C U R S O R ] t o d i s p l a y t h e c u r s o r second peak See the figure below.
  • Page 97 UTD4000 Four-channel User Manual Use the MULTIPURPOSE control knob to set III. Measuring the phase difference between two cursor 1 at the first falling edge of the pulse signals Measure the phase difference that occurs when a sine △ This value is the negative duty ratio.
  • Page 98 UTD4000 Four-channel User Manual Press the MULTIPURPOSE control knob to select cursor 2 then turn the MULTIPURPOSE control knob again to set cursor 2 at the center point of the second rising edge Press [ ]. Current position is 100%. Set the △...

  • Page 99: Illustration 6 : Using The X-Y Function

    UTD4000 Four-channel User Manual Illustration 6 : Using the X-Y function display menu. Press [ ] to select X-Y The oscilloscope will To check the phase difference between two channels. d i s p l a y t h e c i r c u i t s i n p u t a n d...
  • Page 100 UTD4000 Four-channel User Manual X-Y Phase difference table : θ = If sin θ is the angle of disparity between the channels definitions of A D see the above figure Calculating with this formula the angle of disparity is θ arcsin( ) or θ...

  • Page 101: Illustration 7 : Vedio Signal Triggering

    UTD4000 Four-channel User Manual Illustration 7 : Video signal triggering To observe an individual video circuit, use the video trigger function to obtain a stable display of video output signal. Video field triggering To trigger in the video field, follow the steps below : Press [ MENU ] in the trigger control zone to...
  • Page 102 UTD4000 Four-channel User Manual Video line triggering To trigger on the video field follow the steps below Press [ MENU ] button in the trigger control zone to display the trigger menu. Press [ ] then [ ] to set the type to video Press [ ] then turn the MULTIPURPOSE...

  • Page 103: Illustration 8 : Using The Dual Time Base Function

    UTD4000 Four-channel User Manual Illustration 8 : Using the dual time base function Shift the M2 time base with the MULTIPURPOSE control knob to show the parts you require to In the dual time base mode, you can enjoy unrivaled observe in detail When shifting M2 press...

  • Page 104: Illustration 9 : Using The Multimeter

    UTD4000 Four-channel User Manual Illustration 9 Using the multimeter The multimeter of this digital storage oscilloscope can measure 5 parameters : voltage, resistance, on/off, diode and DC current. The following example shows the steps for DC current measurement : Assuming the size of the current to be measured is unknown, a current-voltage converter module of 4A range should be used.

  • Page 105: Chapter 4 System Prompts And Trouble-Shooting

    UTD4000 Four-channel User Manual appears at the bottom. Chapter 4 System Prompts and Waiting : This prompt appears on the screen during Trouble shooting auto calibration. A progress bar appears at the bottom. Definitions of System Prompts I/O Failure : When USB communication fails or no document meeting specific requirements is found on Adjustment at Ultimate Limit :...
  • Page 106 UTD4000 Four-channel User Manual ① 2. If no waveform is displayed after you have Check the trigger source setup in the trigger acquired a signal, follow the steps below to find menu See whether it is the same as the actual the cause : signal input channel ①...

  • Page 107: Chapter 5 Upgrading System Software On Usb

    UTD4000 Four-channel User Manual Display speed is slow after average sampling Chapter 5 Using the USB update time is enabled : program ① If average sampling is carried out for more than 32 times, the display speed will drop. This is normal.
  • Page 108 UTD4000 Four-channel User Manual Figure 5-1 USB update confirmation Figure 5-2 Selection of the USB upgrade document After pressing [ ], the screen will prompt you to select the update program, as shown in the following figure. You can now select the required update program with the When [ ] is pressed as shown in Figure 5-2, the multifunction control knob then press [...
  • Page 109 UTD4000 Four-channel User Manual Figure 5-3 Confirming the USB update Figure 5-4 USB upgrade in progress document 6. When update is complete, a successful update prompt will appear : “Upgrade is successfully complete. Please remove USB device, then power off your oscilloscope and When the USB document is confirmed the following power it back on again to complete the process.”...
  • Page 110 UTD4000 Four-channel User Manual Below are some common causes for update failure : No update document. If there is no document with the suffix “uts”, the following message will appear when is pressed after powering on “Can t find the valid update file! Please ensure there is update file on the USB device then restart the operation.”...
  • Page 111 UTD4000 Four-channel User Manual ② The user cancels the update process. During the update process, you can cancel update by pressing [ ]. To cancel upgrade and operate ① When the oscilloscope is restarted with the USB your oscilloscope normally, follow the on-screen device plugged in, you can cancel upgrade by “...
  • Page 112 UTD4000 Four-channel User Manual ③ You c an s t il l c a nc e l up da te wh e n t he The USB device is removed before update begins oscilloscope is ready for the process. Simply If the USB device is removed when the update press [ ] to return to normal operation.
  • Page 113 UTD4000 Four-channel User Manual Incorrect update document If the document cannot be read, you will see the prompt If the version of the update document on the USB : “Sorry, upgrade has failed. Please contact our after- device is incorrect, update will fail upon selecting the sales service department”...
  • Page 114 UTD4000 Four-channel User Manual Low software version Software document incompatible with product model If the version of USB document is lower than that of the If the USB update document is incompatible with the oscilloscope, update will fail. You will be prompted that, oscilloscope model, update will fail.

  • Page 115: Chapter 6 Technical Indicators

    UTD4000 Four-channel User Manual Chapter 6 Appendixes Appendix A : Technical Indicators Unless otherwise specified, all technical specifications apply to probes with attenuation setting of 10X and the UTD4000 Four-channel Series Digital Oscilloscopes To verify that your oscilloscope meets specifications, it must first meet the following conditions : ■...
  • Page 116 UTD4000 Four-channel User Manual Technical Indicators Sampling Real-time Equivalent Sampling modes Acquisition rates CH1, CH2 : single channel 2GS/s, two channels 1GS/s 50GS/s(UTD4204C/UTD4304C) CH3, CH4 : single channel 2GS/s, two channels 1GS/s Average When all channels have made N acquisitions simultaneously, N is selectable from 2, 4, 8, 16, 32, 64, 128 to 256.
  • Page 117 UTD4000 Four-channel User Manual Horizontal Waveform interpolation sin (x) / x Recording length 1024k Storage depth 24k (Max) Equivalent storage depth dual time base 1ns/div~50s/div (300MHz) 2ns/div~50s/div (200MHz, 150MHz) Scanning range (s/div) 5ns/div~50s/div (100MHz) At 1-2-5 increment ±50ppm (any time interval ≥1ms) Accuracy of sampling rate and delay time △...
  • Page 118 UTD4000 Four-channel User Manual Vertical Model UTD4304C UTD4204C UTD4104C 8-bit resolution A/D converter Deflection graticule factor V/div Range 2mV/div ~ 5V/div at input BNC ± Displacement range Analog bandwidth 300MHz 200MHz 100MHz Single bandwidth 100MHz 100MHz 100MHz Selectable analog bandwidth limit (Typical) 20MHz Low frequency response (AC coupling, -3dB) ≤10Hz at BNC ≤1.2ns...
  • Page 119 UTD4000 Four-channel User Manual T igger Trigger sensitivity Internal trigger : external trigger : 100 ± Trigger level range Internal div from the centre of the screen ±800mV ±4.0V EXT/5 ± ± Trigger level accuracy (Typical) applied Internal (0 3div x V div) (within 4div from the center ≥...
  • Page 120 UTD4000 Four-channel User Manual Slew Rate Trigger < ( ) , > ( ), = ( Slew rate condition Smaller than greater than equalling to) Slew rate range 40pV/s~1.6kV/s Video Trigger Trigger sensitivity (video trigger, Typical) Internal 2 div 400mV EXT/5 Video format Supporting standard NTSC and PAL.
  • Page 121 UTD4000 Four-channel User Manual Measurement △ Voltage difference V) between cursors time Cursor Manual mode △ difference T) between cursors △ △ time difference ( T) countdown (Hz) (1/ T) Automatic mode Cursor display is enabled during automatic measurement Automatic measurement Amplitude, maximum, minimum, top, bottom, mean, peak-to-peak, amplitude, average, root mean square, cycle root mean square, area, cycle area, frequency, cycle, rising edge, falling edge, positive pulse, negative pulse, burst...
  • Page 122 UTD4000 Four-channel User Manual Digital Multimeter DC voltage Range : 400mV, 4V, 40V, 400V ± ( Precision : quantization words) AC voltage Range : 4V, 40V, 400V ± ( Precision : 1.2% quantization words) Ω, Ω Ω Ω Ω Range : 400 Resistance ±...
  • Page 123 UTD4000 Four-channel User Manual Probe Compensator Output ≥ Ω Output Voltage (Typical) About 3V into peak-to-peak ( Frequency (Typical) 1 kHz Interface Functions Standard setup 1 x USB device/1 x USB host/Multimeter interface Optional Power Source Source Voltage 100 240VAC 440Hz, CAT II Power Consumption 50VA~60VA...

  • Page 124: Appendix B : Accessories For Utd4000 Four-Channel Digital Storage Oscilloscope Series

    UTD4000 Four-channel User Manual Appendix B : Accessories for UTD4000 Four- Mechanical Specifications channel Digital Storage Oscilloscope Series Dimension Width 336mm Height 117mm Standard Accessories : Depth 174mm ● Four 1.2m, 1:1 (10:1 passive voltage probes Weight (net) Without packaging 3.8kg For details please read the probe manual With packaging...

  • Page 125: Appendix C : Maintenance And Cleaning

    UTD4000 Four-channel User Manual Appendix C : Maintenance and Cleaning disconnect power Use a mild cleaner or water To avoid damaging the product or probe General Care not use abrasive chemical cleaner Do not store or leave the oscilloscope where the LCD Warning : To avoid short circuit or personal display will be exposed to direct sunlight for long injury due to the presence of moisture, please...

  • Page 126: Appendix D : Factory Setups

    UTD4000 Four-channel User Manual Appendix D : Factory Setups When you press [ UTILITY ] Factory Setup selected option will be changed Please refer to the table below System Function Factory Setup System Function Factory Setup 5V/DIV Sampling mode Normal sampling Acquisition POSITION Vertical centre point...
  • Page 127 UTD4000 Four-channel User Manual This user manual may be revised without prior notice.
  • Page 128 UTD4000 Four-channel User Manual Copyright 2010 UNI-Trend Group Limited. All rights reserved. Manufacturer: UNI-Trend Technology (chengdu) Limited 2/Floor, Block 2, 199 Xiqu Da Dao, Gaoxin Xiqu, Cheng Du City, Si Chuan Province,China PostalCode: 611 731 Headquarters: UNI-Trend Group Limited Rm901, 9/F, Nanyang Plaza 57 Hung To Road Kwun Tong Kowloon, Hong Kong...

This manual is also suitable for:

Utd4204cUtd4104cUtd4304c

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