UNI-T UTD2000 Series User Manual
  1. Manuals
  2. Brands
  3. UNI-T Manuals
  4. Test Equipment
  5. utd2000
  6. User manual

UNI-T UTD2000 Series User Manual

Digital oscilloscope
Hide thumbs Also See for UTD2000 Series:
Table of Contents

Advertisement

Quick Links

UTD2000 Series
Digital Oscilloscope
User Manual
www.uni-trend.com

Advertisement

Table of Contents
loading

Related Manuals for UNI-T UTD2000 Series

Summary of Contents for UNI-T UTD2000 Series

  • Page 1 UTD2000 Series Digital Oscilloscope User Manual www.uni-trend.com...

  • Page 2: Guaranty And Declaration

    Preface Dear custumer, Thank you for choosing this UNI-T device. In order to safely and correctly use this instrument .please read this manual thoroughly, especially the Safety Notes part. After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference.
  • Page 3 This warranty written by UNI-T for this product, and it is used to substitute any other express or implied warranties. UNI-T and its distributors do not offer any implied warranties for merchantability or applicability purposes.

  • Page 4: General Safety Overview

    Avoid circuit exposure: Do not touch exposed connectors and components after power is connected.  Do not operate the product if you suspect it is faulty, and please contact UNI-T authorized service personnel for inspection. Any maintenance, adjustment, or replacement of parts must be performed by UNI-T authorized maintenance personnel.

  • Page 5: Safety Terms And Symbols

    UTD2000 Series User Manual Safety Terms and Symbols The following terms may appear in this manual: Warning: The conditions and behaviors may endanger life. Note: The conditions and behaviors may cause damage to the product and other properties. The following terms may appear on the product: Danger: Performing this operation may cause immediate damage to the operator.

  • Page 6: Preface

    AUTO key and the instrument will then display applicable waveform and gear position settings. Apart from easy to use, UTD2000 series DSO also has high performance indexes and powerful functions required for faster completion of measurement tasks. User can observe faster signals on UTD200 series DSO by high-speed real time sampling and equivalent sampling.
  • Page 7 UTD2000 Series User Manual can satisfy your measurement requirements.  Two analog channels.  High resolution LCD display 800×480 resolution.  Support plug and play USB storage equipment or be capable of communicating with computer via USB storage equipment. ...

  • Page 8: Table Of Contents

    UTD2000 Series User Manual Contents Guaranty and Declaration ....................2 General Safety Overview ..................... 4 Safety Terms and Symbols ....................5 Preface..........................6 Contents ..........................8 Chapter I Introductions ....................10 1.1 General Inspection ....................10 1.2 Function Inspection ....................10 1.3 Front and Rear Panel ...................
  • Page 9 13.2 Troubleshooting ....................55 Chapter XIV Technical Information ................. 57 Chapter XV Appendix ...................... 62 Appendix A Accessories of UTD2000 Series ............. 62 Appendix B Maintenance and Cleaning ..............62 Appendix C Warranty ....................62 Appendix D Contact Us ....................63...

  • Page 10: Chapter I Introductions

    (3) Check the complete instrument In case of damages to the appearance of instrument, abnormal operation or failure to pass the performance tests, please 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.
  • Page 11 UTD2000 Series User Manual frequency defaults at 1kHz. Probe Compensation Siganl Tip Ground Terminal (4) Function Check Press AUTO (auto setting) button, square wave appears on the display screen, the wave range is about 3Vpp and the frequency is 1kHz. Go back to step 3 and check other channels in a same way.

  • Page 12: Front And Rear Panel

    UTD2000 Series User Manual variable capacitance on the probe until screen displays “correct compensation” for waveform as shown in the above figure. 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.

  • Page 13: Display

    : Press this menu to pop up virtual digital keypad. 1.4 Automatic Settings of Waveform Display UTD2000 series DSO has automatic setting function. According to input signals, automatically adjust the vertical deflection factor, scanning time base and trigger mode until the most appropriate waveform is displayed. For automatic setting application, the frequency of the measured signal is required to be ≥...

  • Page 14: Introduction To The Horizontal System

    UTD2000 Series User Manual control area. Practices below will gradually guide you to get familiar with the controlling of the vertical system. Figure 1-6 Vertical Control Area on the Panel (1) Vertical POSITION: vertical position knob, user can change the current vertical...

  • Page 15: Introduction To The Trigger System

    UTD2000 Series User Manual 1. Use horizontal SCALE knob to change gear position settings of horizontal time base and observe the changes of state information. Turn horizontal SCALE knob to change “SEC/DIV” time base gear position, and you can find that corresponding changes have taken place in the time base gear position display of corresponding channel in the status bar.

  • Page 16: Chapter Ii Vertical System

    Chapter II Vertical System UTD2000 series DSO provides two analog input channels, each channel has an independent vertical menu. Each channel for UTD2000 series DSO can be set independently through the vertical system menu. After pressing CH1 or CH2 function key, the system shall display function menu of CH1 or CH2 channel.

  • Page 17: Setting Coupling Channel

    UTD2000 Series User Manual 2.1 Setting coupling channel If the measured signal connected to the CH1 channel is a sinusoidal signal containing DC component. If your press F1 to select as AC coupling, to set the CH1 into AC coupling mode.

  • Page 18: Setting Channel Bandwidth Limited

    UTD2000 Series User Manual 2.2 Setting channel bandwidth Limit Assuming that the input signal is a 40MHz sinusoidal signal connected to CH1. Press CH1I and then press F2 to set BW Limit as Full Bandwidth, the channel bandwidth becomes full bandwidth, there will be not any bandwidth limited to CH1. And, you can see all the high-frequency component in measured signal as waveform displayed is shown in the figure below.

  • Page 19: Vertical Volts/Div Adjustment Setting

    UTD2000 Series User Manual Figure 2-6 Probe Attenuation Coefficient Setting in Channel Menu 2.4 Vertical Volts/Div adjustment setting Adjustments of vertical deflection factor V/div gear position can be set to coarse adjustment and fine adjustment. For coarse adjustment, V/div can be adjusted in step of multiple of 1, 2 and 5, the V/div range is 1mV/div～20V/div.

  • Page 20: Mathematical Operation Function

    UTD2000 Series User Manual Figure 2-9 Vertical Channel Inverted Settings (Invert: ON) 2.6 Unit Press UNIT to set the unit as “V” or “A”, the default unit is V. After the unit is set, the unit on channel status tag will change accordingly.

  • Page 21: Fft Spectral Analysis

    UTD2000 Series User Manual 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: ● Measure harmonic content and distortion in the system ●...
  • Page 22 UTD2000 Series User Manual is slightly superior to Hanning window. short pulse, are of large difference. The best amplitude resolution and the worst Mainly used for single frequency signal seeking Blackman frequency resolution. for higher subharmonic. 2.9 Digital Filter Filter the frequency of specified waveband in signals by adjusting upper/lower frequency limit.

  • Page 23: Chapter Iii Horizontal System

    UTD2000 Series User Manual Chapter III Horizontal System 3.1 Horizontal control (1) Horizontal control knob Change the horizontal time-base scale through SCALE knob, changing of horizontal scale can lead to expansion or shrink of waveforms relative to screen center. The horizontal system can be controlled by the following panel buttons/knobs.

  • Page 24: Window Extension

    UTD2000 Series User Manual 3.3 Window extension Extension window is used to enlarge the waveform so that users view the image details. The setting of window extension shall not be slower than that of main time base. Waveform horizontal extension part...
  • Page 25 UTD2000 Series User Manual According to sin θ=A/B or C/D, θ is the angle difference of channels, the definition of A, B, C, D is shown in figure above, so the angle difference is: θ=±arcsin (A/B) or θ=±arcsin (C/D). If the elliptical axis lies on I, III quadrant, then the phase difference of angle should lie on I, IV quadrant, that is within (0～π/2) or (3π/2～2π).

  • Page 26: Chapter Iv Trigger System

    UTD2000 Series User Manual Chapter IV Trigger System When to collect data and display waveform depends on the trigger system. The DSO will convert the unstable displays into meaningful waveform after the trigger is set correctly. When the DSO start collecting data, it will firstly collect enough data to draw a waveform on the left of trigger.

  • Page 27: Pulse Width Trigger

    UTD2000 Series User Manual Set to automatic trigger. The DSO will continuously perform data acquisition AUTO without triggering signal. Set to normal trigger. The DSO will only perform data acquisition when there is Mode Normal triggering signal. Set to single trigger. The DSO will only perform 1 cycle of the data acquisition Single when there is triggering signal.
  • Page 28 UTD2000 Series User Manual Table 4-3 Pulse width setting menu Function Menu Setting Description Positive Set the positive pulse width as trigger signal Polarity Negative Set the negative pulse width as trigger signal > Trigger when pulse width is greater than the set value Pulse width <...

  • Page 29: Video Trigger

    UTD2000 Series User Manual The DSO generates a trigger when the slew rate of rising edge of signal is lower Rising < than the specified slew rate. The DSO generates a trigger when the slew rate of rising edge of signal is higher Rising <>...

  • Page 30: Alternating Trigger

    UTD2000 Series User Manual NTSC Applicable NTSC video signal. All line Set the video line to synchronous triggering. Set the video to sync and trigger on specific lines, adjust through the multifunctional Lines knob on front panel. Sync Odd field Set the video to sync and trigger on odd field.
  • Page 31 UTD2000 Series User Manual Figure 4-3 Observing Signals with Two Different Frequencies by Alternating Trigger Mode Table 4-7 Alternating Trigger Menu (Page 1) Function Setting Description Menu Type Alternating Alternating CH1-CH2 CH1 and CH2 alternating trigger channel Select CH1 as current channel...

  • Page 32: Explanation Of Nouns

    UTD2000 Series User Manual Reject low-frequency component of the triggering signal. Pass through DC and AC components of triggering signal. Previous Go to previous page. Table 4-8 Alternating Trigger Menu (Page 2) 4.6 Trigger Holdoff Trigger holdoff time adjustment is used to observe complex waveform (pulse string series).
  • Page 33 UTD2000 Series User Manual (CH1 and CH2), external triggers (EXT and EXT/5) and AC line. ■ Input channel: The most frequently-used trigger source is input channel (selectable). The selected channel as trigger source can operate normally no matter its input is displayed or not.

  • Page 34: Chapter V Acquire System

    UTD2000 Series User Manual to view more pretrigger information, you could adjust the horizontal position of waveform by rotating horizontal position. By observing pretrigger data, you can view the waveform before triggering. For example, the glitch can be captured at the moment of starting the circuit, you can find out the cause of glitch by observing and anlyze the pretrigger data.
  • Page 35 UTD2000 Series User Manual Figure 5-1 Non-average acquisition method Figure 5-2 Average acquisition of 8 numbers Notice: (1) Please select real-time sampling mode when observing single signal. (2) Please select equivalent sampling mode when observing high frequency periodic signal. (3) Please select peak detection mode when hoping to observe the signal envelope for any modulation signal.

  • Page 36: Chapter Vi Display System

    UTD2000 Series User Manual Chapter VI Display System As shown in the figure below, the DISPLAY on the control area is the function button of Display System. Figure 6-1 Function Keys of Display System Press DISPLAY button to enter display setting menu as shown in the table below.

  • Page 37: Chapter Vii Measurement Parameters

    UTD2000 Series User Manual Chapter VII Automatic Measurement UTD2000 series DSO support up to 34 types of waveform measurement parameters. Figure 7-1 Function Key of Auto Measurement 7.1 Measurement Menu Press MEASURE to enter Measurement menu. Automatic measurement menu (Page 1)

  • Page 38: Voltage Parameter

    UTD2000 Series User Manual 7.2 Voltage Parameter Figure 7-2 Voltage Parameter Diagram Voltage parameters of UTD2000 series DSO include: Max value (Max): The voltage value from waveform highest level to GND. Min value (Min): The voltage value from waveform lowest level to GND.
  • Page 39 UTD2000 Series User Manual Frequency (Freq): The reciprocal of the period Rise time (Rise): The time for waveform amplitude to rise from 10% to 90%. Fall time (Fall): The time for waveform amplitude to fall from 90% to 10%. Rise delay: The time for main source and slave source to delay between two rising edges Fall delay: The time for main source and slave source to delay between two falling edges.

  • Page 40: Chapter Viii Cursor Measurement

    UTD2000 Series User Manual Chapter VIII Cursor Measurement Use CURSOR to measure waveform X axis (time) and Y axis (voltage). Press CURSOR to enter cursor measurement menu. Figure 8-1 Function Key of CURSOR 8.1 Cursor measurement menu Press CURSOR to enter cursor measurement menu.

  • Page 41: Chapter Ix Storage And Load System

    UTD2000 Series User Manual Figure 8-2 Cursor measurement for time ΔT and ΔV can be measured, ΔT represents the time difference between two cursors, ΔV represents the vertical space of two cursors. @T represents the time from current cursor to horizontal cursor, @V represents the Y voltage value at cursor A, based on the channel grounding point, the unit should be same as the current channel unit.

  • Page 42: Waveform Storage And Load

    UTD2000 Series User Manual  Edit file name When the storage medium is USB, the stored file name can be edited, press file name to enter file name edit window, as shown in the figure below: Figure 9-2 File name window Move the cursor by adjusting multifunctional knob, press multifunctional knob switch to choose number or letter, press CONFIRM to go back to previous menu.

  • Page 43: Bit Map Storage And Load

    UTD2000 Series User Manual 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 REF B. Storage medium Select load location. Load Press the button to load.

  • Page 44: Chapter X Utility System

    UTD2000 Series User Manual Chapter X Utility System Press UTILITY to enter utility menu. Figure 10-1 Function Key of UTILITY Table 10-1 Utility menu (Page 1) Function menu Setting Description System setup See chart 10-3 Enter system setup menu, the operation option include self-clibration, system information and clear information.

  • Page 45: Pass/Fail

    UTD2000 Series User Manual 10.1 Pass/Fail Pass/Fail test: Detect whether or not the input signal is in the specified scope of template. If the input signal is within the scope, it is PASS, while if the input signal is out of the scope, it is FAIL.

  • Page 46: Recorder

    UTD2000 Series User Manual tolerance. Load Load the reference waveform. Horizontal 1~255 Set horizontal tolerance of template through multifunctional knob. tolerance Vertical 1~255 Set vertical tolerance of template through multifunctional knob. tolerance Back Return to previous menu (Pass/Fail Test Menu).
  • Page 47 UTD2000 Series User Manual 10.3 AUTO strategy As mentioned before, press AUTO button to activate the function of Waveform Auto Setting. To get a best diplay waveform, DSO automatically adjust vertical scale, horizontal time base and trigger mode based on input signals. This DSO allow users to set relevant parameters of auto setting function.

  • Page 48: Chapter Xi Other Funtion Botton

    UTD2000 Series User Manual Chapter XI Other funtion botton 11.1 AUTO Setting Based on input signals, Auto Setting selects appropriate time-based scale, Volt/Divs, trigger based to display waveform on the screen automatically. Press AUTO to enter automatic setting. AUTO Setting is only applicable to conditions below: 1) AUTO Setting is only applicable to signals with simple and single frequency.

  • Page 49: Help Menu

    UTD2000 Series User Manual 11.3 Help Menu Press the HELP key to go into help menu, then press any key will display the help information of this key. 11.4 Upgrade program The USB upgrade program makes upgrade easier and more flexible. To use this function, please follow the steps below: (1) Download a program file to be updated from internet and store the file in USB.

  • Page 50: Chapter Xii Applicaion Example

    UTD2000 Series User Manual Chapter XII Applicaion example Example 1: Measuring simple signals To observe and measure an unknown circuit signal, and to quickly display and measure the signal's frequency and peak-to-peak value. (1) To quickly display this signal, follow the steps below：...

  • Page 51: Example 3: Acquiring Single Signals

    UTD2000 Series User Manual oscilloscope channel to 10X. Connect the CH1 to the circuit signal input terminal. Connect CH2 to the output terminal. Steps: (1) To display CH1 and CH2 signals ① Press AUTO. ② Continue to adjust the horizontal and vertical range until you get the desired waveform display.

  • Page 52: Example 4: Reducing Random Noise Of Signals

    UTD2000 Series User Manual Steps: (1) As in the previous illustration, set the attenuation factor of the probe and CH1. (2) Carry out trigger setup ① Press TRIG MENU in the trigger control zone to display the trigger setup menu.

  • Page 53: Example 5: Using The Cursors For Measurement

    UTD2000 Series User Manual Steps : (1) As in the previous illustration, set the attenuation factor of the probe and Ch1. (2) Connect the signal to ensure stable display of waveform. (3) Improving trigger by setting trigger coupling. ① Press TRIG MENU in the trigger zone to display the trigger setup menu.
  • Page 54 UTD2000 Series User Manual Your oscilloscope can measure 28 waveform parameters automatically. All auto parameters can be measured with the cursors. By using the cursors, you can quickly measure the time and voltage of a waveform. Measuring one step voltage of the step signal To measure one step voltage of the step signal, follow the steps below: 1.

  • Page 55: Chapter Xiii System Prompts And Trouble-Shooting

    UTD2000 Series User Manual Chapter XIII System Prompts and Trouble- shooting 13.1 Definitions of System Prompts Adjustment at Ultimate Limit: This informs you that the multifunction control knob has reached its adjustment limit in the current status. No further adjustment is possible. When the vertical deflection factor switch, time base switch, X shift, vertical shift and trigger level adjustments have reached their ultimate limits, this prompt will appear.
  • Page 56 UTD2000 Series User Manual display is achieved only when the correct trigger mode is selected. ③ Try changing the trigger coupling to High Frequency Holdoff or Low Frequency Holdoff or to filter any high or low frequency noise that is interfering with triggering.

  • Page 57: Chapter Xiv Technical Information

    Except for those specifications marked with “Typical”, all specifications have warranties. Unless otherwise specified, all technical specifications are applicable to the probes with attenuation switch set as 10× as well as UTD2000 series DSO. DSO must first meet the following two conditions to meet those specification standards: ...
  • Page 58 UTD2000 Series User Manual Vertical Model UTD2072CL UTD2152CL UTD2102CEX+ UTD2202CEX+ Analog Bandwidth 70MHz 150MHz 100MHz 200MHz Rise Time(Typical) ≤5ns ≤2.4ns ≤3.5ns ≤2.4ns Channels Analog-to-digital 8bit converter (A/D) Deflection factor range 1mV/div~20 V/div(at 1-2-5 increment) (V/div) ≥±8div Position range Selectable bandwidth...
  • Page 59 UTD2000 Series User Manual adjustable. Hold-off range 80ns~1.5s Set the level to 50% Operate under the condition of input signal frequency of ≥50Hz (Typical) Trigger mode AUTO, normal, single High-frequency holdoff Hold off signals over 80kHz Low-frequency holdoff Hold off signals below 80kHz...
  • Page 60 UTD2000 Series User Manual Measurement Screen or cursor scope Measurement Average value, maximum value, minimum value and standard deviation. statistics Math Math operation +, -, ×, ÷ Window Rectangle, Hanning、Blackman、Hamming Vrms、dBVrms Vertical scale Digital filtering Low pass, high pass, band pass, band reject...
  • Page 61 UTD2000 Series User Manual General Technical Specification Probe compensator output About 3Vpp, when the load≥1MΩ Output voltage (Typical) Frequency (Typical) 10Hz,100Hz, 1kHz(Default), 10kHz Power Source Power voltage 100V～240VACRMS，50/60Hz，CAT II ≤20VA Power consumption Fuse 3A, T class, 250V Environment Specifications Operating Temperature Range: 0℃~+40℃...

  • Page 62: Chapter Xv Appendix

    If any such product proves defective during this warranty period, UNI-T will repair the defective product or provide a replacement according to specific terms and conditions of the warranty. To request maintenance and repair service or a full copy of the warranty, please contact your nearest UNI-T sales and maintenance office.

  • Page 63: Appendix D Contact Us

    UTD2000 Series User Manual 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 your local UNI-T supplier or sales centre.

This manual is also suitable for:

Utd2072clUtd2152clUtd2102cex+Utd2202cex+

Table of Contents