Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for UNI-T UTD2000CEX-II Series
Summary of Contents for UNI-T UTD2000CEX-II Series
- Page 1 UTD2000CEX-II Series Digital oscilloscope User Manual...
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Page 2: Table Of Contents
Table of contents General safety overview-------------------------------------------------------------- 2 Chapter 4 - Horizontal system setting------------------------------------------ 17 Safety terms and symbols ----------------------------------------------------------- 4.1 ROLL scroll mode--------------------------------------------------------------- 17 Chapter 1 - Introduction guide ----------------------------------------------------- 4.2 Windows extensions------------------------------------------------------------ 17 1.1 General check -------------------------------------------------------------------- 4.3 Independent Time Base------------------------------------------------------- 18 1.2 Before use -------------------------------------------------------------------------- Chapter 5 - Mathematical operation--------------------------------------------- 18... - Page 3 9.2 Voltage measurement --------------------------------------------------------- Chapter 10 - Storage and callback ---------------------------------------------- 29 10.1 Set up storage and callback ------------------------------------------------ 10.2 Waveform storage and callback ------------------------------------------- 10.3 Screen copy -------------------------------------------------------------------- Chapter 11 - Auxiliary function setting ---------------------------------------- 30 11.1 Waveform recording ---------------------------------------------------------- 11.2 Pass test -------------------------------------------------------------------------...
- Page 4 Warranty UNI-T will guarantee that the product will be free from defects for a three-year period. If the product is re-sold, the warranty period will be from the date of the original purchase from an authorized UNI-T distributor. Probes, other accessories, and fuses are not included in this warranty. If the product is proved defective within the warranty period, UNI-T reserves the rights to either repair the defective product without charging of parts and labor, or exchange the defected product to a working equivalent product.
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Page 5: General Safety Overview
Any maintenance on altered or integrated products (if such alteration or integration leads to an increase in time or difficulty of product maintenance). 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 6: Safety Terms And Symbols
Safety Terms and Symbols Perface The following terms may appear in this manual: This manual describes the operation of the UTD2000CEX-II series digital Warning: The conditions and behaviors may endanger life. oscilloscope . The manual includes the following sections: Note: The conditions and behaviors may cause damage to the product and other properties. -
Page 7: Chapter 1 - Introduction Guide
UTD2072CEX-II 1.1.1 Check for Damages caused by Transport 2) UTD2000CEX-II series digital oscilloscope is based on UNI-T’s unique Ultra If the packaging carton or the foam plastic cushions are severely damaged, Phosphor technology. A multi-functional, high performance oscilloscope please contact the UNI-T distributor of this product immediately. -
Page 8: Front Panel Introduction
UTD2000CEX-II User Manual 1.2.2Boot Check Press the soft power button and the light should change to yellow . The oscilloscope then will show a boot animation, and it will enter the normal interface afterwards. 1.2.3Basic Function Check After the oscilloscope enters the normal interface, find the button at the bottom right of the operation panel. -
Page 9: Back Panel Introduction
①.Screen display area 1.5 Operation Panels This section describes the front panel operations to help users to quickly ②. Multifunction knob familiarize with the UTD2000CEX-II series. ③. Function menu key ④. Control menu softkey. (1)Vertical Control ⑤. Probe compensation signal connecting piece and grounding ⑥. - Page 10 UTD2000CEX-II User Manual (2) Level Control (3) Trigger Control ① Trigger Level Knob：used to adjust the currently selected trigger level. ② Press ①.Press to pop-up the trigger menu. buttom to display window extension and holdoff time. ②. ③ Press Horizontal Position Knob：used to adjust the horizontal position of to force generate a single trigger event .
- Page 11 UTD2000CEX-II User Manual (10).Function Keys Auto Setting When this key is pressed, the oscilloscope will automatically adjust the vertical scale factor, timebase, and trigger mode according to the input signals. (5).Run/Stop Press the key to "run" or "stop" sampling. RUN state is indicated by green light.
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Page 12: User Interface
UTD2000CEX-II User Manual Chapter 2 -Vertical Channel Setting 1.6 User interface 2.1 Open / activate / close analog channel CH1~CH2 contains 3 states: open, activate, and shut down. Open: Allows the corresponding channel waveform to be displayed on the screen. Activate: Only opened state can be activated. -
Page 13: Channel Coupling
UTD2000CEX-II User Manual Chapter 3 - Trigger System Setting 2.2 Channel Coupling Using CH1 as an example, when a signal is connected to CH1 and activated, Trigger determines when the oscilloscope starts to collect data and displays press F1 and select channel coupling via the multipurpose knob. You can also waveform. -
Page 14: Edge Trigger
UTD2000CEX-II User Manual (5) Pre-Trigger / Delayed Trigger Note: This mode allows 50ms/div or slower time shift without triggering in ROLL Data collected before / after the Trigger event. mode. Trigger position is usually set at the level center of the screen, and you can ■... -
Page 15: Pulse Trigger
UTD2000CEX-II User Manual The pulse width trigger setting menu (1) : High frequency Suppression of signal frequency above 1.23MHz Trigger suppression Options Descriptions Coupling Functions Low frequency Type Pulse Width suppression Suppression of signal frequency below 680kHz Set any one of the CH1,CH2 CH1, CH2 Noise Suppress the noise of the trigger signal,... -
Page 16: Video Trigger
UTD2000CEX-II User Manual The pulse width trigger setting menu (2) : 3.4 Video Trigger The waveform of the video signal includes the image signal and the time Descriptions Functions Options sequence signal, and each kind of signal uses different standards and formats. -
Page 17: Slope Trigger
UTD2000CEX-II User Manual Slope Trigger Menu Options Descriptions Functions Type Slope Set any one of the Ch1, Sources CH1, CH2 CH2 as trigger source Pass all components of the signal Blocks the DC components of the signal Video Line Sync High frequency Suppression of signal Trigger... -
Page 18: Under Amplitude Trigger
UTD2000CEX-II User Manual Slope Setting Menu Under-range Trigger Menu (1): Options Descriptions Descriptions Functions Functions Options Type Under-range Falling Triggers with falling slope Slope Set any one of the Ch1, Rising Triggers with rising slope CH1, CH2 Sources CH2as a trigger signal When slew rate setting is smaller Pass all components of the signal than signal slew rate, trigger occurs... -
Page 19: Over Amplitude Trigger
UTD2000CEX-II User Manual Beyond-range Trigger Menu (1): Under-range Trigger Menu (2) Options Descriptions Functions Options Descriptions Functions Positive Polarity Type Beyond-range Polarity Negative Polarity Set any one of the Ch1, Irrelevant CH1, CH2 Sources CH2as a trigger signal Triggers when set pulse width is Pass all components ＜... -
Page 20: Chapter 4 - Horizontal System Setting
UTD2000CEX-II User Manual Chapter 4 - Horizontal System setting Beyond-range Setting Trigger Menu (2) 4.1 ROLL mode Options Descriptions Functions When the trigger is in automatic mode and using the SCALE knob to adjust the horizontal level to slower than 50ms/div, and the oscilloscope will be in Rise ROLL mode. -
Page 21: Independent Time Base
Press the button HORI MENU in the control panel. Press F1 to select the Extended Window . Under the Extended Window mode, the screen is UTD2000CEX-II series oscilloscope carries a variety of mathematical divided into two display areas as the above picture shows. The upper part... -
Page 22: Fft
UTD2000CEX-II User Manual 5.2 FFT Press MATH button, then press F1 to select FFT to enter the FFT menu. Using FFT (Fast Fourier Transform) mathematical operations, the time FFT menu domain signal (YT) can be converted into frequency domain signal. The Options Descriptions Functions... -
Page 23: Logical Operation
(1) Select Window Function 5.3 Digital Filter Press MATH button, then press F1 to select digital filter to enter the menu. UTD2000CEX-II series provides 4 kinds of common window functions: Digital Filter Menu Rectangle : The best frequency resolution and the worst amplitude... -
Page 24: Chapter 6 -Sampling System Setting
UTD2000CEX-II User Manual In average sampling mode，use Multipurpose Average knob to set average time, number can be in the 2~512 range of 2n, where n is 1~13 integer Automatic storage depth Auto Storage Depth Fast sampling 6.1 Sampling Rate Digital Filter (1) Sampling and Sampling Rate When the analog signal is sampled, the sample is then converted into digital data. -
Page 25: Acquisition Type
UTD2000CEX-II User Manual Sampling rate refers to the time interval between two sampling points. The (3) High Resolution maximum sampling rate is 1 GS/s. In this acquisition mode, the oscilloscope can reduce random noise from The sampling rate will be affected by the timing scale and the change of the input signal and generate smoother waveforms. -
Page 26: Storage Depth
The storage depth is the number of waveforms that can be stored in the Waveform Set the waveform brightness, Use 1%~100% Multipurpose knob to adjust settings oscilloscope during a trigger acquisition. It reflects the memory storage Brightness capacity of the acquisition. UTD2000CEX-II series’ standard is 25kpts storage depth (per channel). -
Page 27: Xy Mode
UTD2000CEX-II User Manual 7.1 XY Mode 7.2 Application of XY Mode The XY mode display is also called Lissajous graph. The phase difference between the two signals of the same When XY 1&2 are selected, the CH1 signal will be entered on the horizontal frequency can be easily observed by Lissajous method. -
Page 28: Chapter 8 - Automatic Measurement
User Manual Chapter 8 - Automatic Measurement Advanced measurement menu Options Descriptions Functions UTD2000CEX-II series digital fluorescence oscilloscope can automatically measure up to 34 parameters. Press the MEASURE button to enter the Delay measurement Measurement automatic measurement menu. parameters Phase measurement... -
Page 29: All Parameters Measurement
UTD2000CEX-II User Manual 8.1 All Parameters Measurement Vmax: Voltage at the highest point with respect to GND Press the MEASURE button to enter the automatic measurement menu. Vmin: Voltage at the lowest point with respect to GND Then press F1 to select the source of the measurement . Press F2 to select Vtop: Highest stable voltage all 34 parameters. -
Page 30: Time Parameter
UTD2000CEX-II User Manual 8.3 Timing parameters LRF: Time between the last rising edge of source 1 to the last falling edge of source 2 LRR: Time between the last rising edge of source 1 to the last rising edge of source 2 LFR: Time between the last falling edge of source 1 to the last rising edge of source 2 LFF: Time between the last falling edge of source 1 to the last falling... -
Page 31: Chapter 9 - Cursor Measurement
UTD2000CEX-II User Manual The measured values are shown in the upper left corner of the waveform Open the D-value measurement statistics after defining parameter display area. The value of BX-AX is the time measurement, and 1/|BX-AX| is the reciprocal of time. Chapter 9 - Cursor Measurement For a periodic signal, if AX and BX are set at the rising edge of adjacent cycles, then BX-AX is the signal’s period, and 1/|BX-AX| is the frequency. -
Page 32: Chapter 10 - Storage And Callback
Source Press the STORAGE key to enter the storage function setting interface. from any one of CH1,CH2 UTD2000CEX-II series oscilloscope supports FAT format USB storage devices. When Save is pressed, waveform It is not compatible with NTFS format. will be saved to the oscilloscope... -
Page 33: Screen Copy
UTD2000CEX-II User Manual Chapter 11- Auxiliary Function Setting After the waveform is saved, you can use the REF key for callback. Press the REF key to enter the waveform callback menu. Press the UTILITY key to enter the auxiliary function settings menu. Waveform Callback Menu Auxiliary function setting menu (1) Options... -
Page 34: Waveform Recording
UTD2000CEX-II User Manual 11.1 System configuration Time menu setting System configuration menu (1) Options Descriptions Functions Options Descriptions Functions Time display Control display On/Off press the Select key to start Self calibration Selected via the F2 button, use the self calibration Minute &hour Multipurpose key to adjust System information... - Page 35 UTD2000CEX-II User Manual 11.3 Pass Test Pass Test Menu (2) The pass (fail) test is by using a template to detect whether the input signal Descriptions Functions Options satisfies the template requirements. Close Disable Pass Test (1) Function Introduction Operation Press UTILITY, then press F5 to enter the secondary menu, then press F2 Open Enable Pass Test...
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Page 36: Waveform Record
UTD2000CEX-II User Manual Template settings menu The test function will run continously and stop once 10 fail tests have been reached, or the user manually suspends the test (when operation is set to Options Descriptions Functions close). Select a channel CH1,CH2 with horizontal CH1,CH2 Reference Waveform and vertical tolerance as a template... -
Page 37: Auto Strategy
UTD2000CEX-II User Manual Waveform record operation menu : Options Descriptions Functions Options Descriptions Functions Close Close waveform record function Record operation Operate Recording, playback, stop, etc.. Waveform Setup Enter waveform record menu record operation Playback Playback of recorded waveform Operation Enter waveform record operation Stop Stop recording or playing back waveform... -
Page 38: Recorder
UTD2000CEX-II User Manual 11.7 Waveform generator 11.6 Recorder Waveform generator menu (1) Recorder operation menu Options Descriptions Functions Options Descriptions Functions Output Turn on /off AWG output Pay back the record datas On/Off sine wave Stop Stop recording square wave waveform Sawtooth wave To select the base waveform... -
Page 39: Chapter 12 - Other Function Key
UTD2000CEX-II User Manual Chapter 12- Other Function Keys ② Software upgrade file can be found on UNI-T website or UNI-T distributors. Software file is consistent with the machine model and hardware version. 12.1 Automatic Setting Software version higher than the current version is stored in the root Automatic settings will according to the input signal, choose appropriate time directory of U disk. -
Page 40: Chapter 13- System Prompt And Troubleshooting
UTD2000CEX-II User Manual Type System Factory Setting Vector Function Format 1V/DIV Display Duration Time 100ms Vertical Displacement Grid Brightness Waveform Brightness Coupling Storage Type Waveform Bandwidth Limit Frequency Meter Lattice Coarse Measurements Off, Clears all measurements Vertical Cursor Probe 1× System Other System Language... -
Page 41: Troubleshooting
If it exceeded, center the trigger level or set the trigger mode to auto with the AUTO ⑤ If you still cannot solve this problem, please contact UNI-T and let us serve you. - Page 42 UTD2000CEX-II User Manual Input Vertical Resolution 1mV/div~20 V/div(1-2-5 base) Input Coupling Vertical Scale DC, AC, GND Vertical Displacement Range Input Impedance 1MΩ ± 1% // 20pF ± 3pF Bandwidth Limit (typical) 1m× 2m× 5m× 10m× 20m× 50m× 100m× 200m× Probe Attenuation Coefficient 500m×...
- Page 43 UTD2000CEX-II User Manual Beyond-range Pulse Trigger Trigger Beyond-range Rising, falling, any Internal: Center of the screen Trigger Level Range type ± 15 grids External: ± 6V Trigger Entering, exiting, time Trigger Mode Automatic, normal, single Position Trigger Holdoff Range 100ns~10s Beyond-range 20ns~10s time...
- Page 44 UTD2000CEX-II User Manual The maximum value, minimum value, peak value, Bitmap External USB top value, amplitude, period average value, average value, cycle RMS, RMS, area , period area, Display overshoot, preshoot, rising ,falling ,frequency, Auto period, rise time, fall time, pulse width, positive Measurement Display type 8-inch TFT LCD...
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Page 45: Chapter 15 - Appendix
Quick guide Cooling Forced cooling fan CD (Includes manual and application software) Operational：below +35℃ ≤90％Relative humidity Humidity For all accessories (standard and optional), please order at UNI-T local range Non-operational：+35℃～+40℃ ≤60％Relative humidity dealers Appendix B – Maintenance and Cleaning Operational：Below 3000m；... -
Page 46: Appendix C Warranty Overview
If the product is proven to be defective within this period, UNI-T will repaire or replace the product in accordance with the detailed provisions of the warranty.