Tenma 72-8710 Operating Manual
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Tenma 72-8710 Operating Manual

Digital storage oscilloscope
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  • Page 1 OPERATING MANUAL...
  • Page 2 Introduction Dear valued customer, Thank you for purchasing a Tenma instrument. To use your new product correctly, make sure you read this User Manual carefully and completely before operation and pay particular attention to the “Safety Instructions” section. Please keep this User Manual in a safe place after reading it carefully. For easy reference during future operation, we...
  • Page 3 People's Republic of China and other countries. ● The Company reserves the right to change product specifications and prices. all rights reserved. All licensed software products are properties of Tenma its subsidiaries or suppliers. They are protected by the national copyright law and international conventions.
  • Page 4 This warranty does not apply to any defect, malfunction or damage If any genuine defect is found during the valid warranty period, Tenma caused by accident, normal wear and tear of mechanical parts, any has the option to repair the defective product without any charge for...

  • Page 5: Safety Instructions

    To avoid electric shock, the grounding conductor must Tenma and its dealers shall bear no liability for any such damage. touch the ground. Before connecting the input or output terminal, ensure the unit is properly grounded.
  • Page 6 DSO Series User Ma nual Use suitable fuses : Only use specified fuse types and rated Messages on the product : The following messages may appear specifications. on the product : Avoid exposing circuitry : When power is on, never make contact with “Danger”...
  • Page 7 Chapter 2 Instrument Setups : Guide to operation of the DSO 72-8705 50MHz 1GS/s Color digital storage oscilloscope series. 72-8710 100MHz Chapter 3 Practical Example Illustrations : Example illustrations are provided to solve various testing problems. System Prompts and Trouble-shooting : Chapter 4...
  • Page 8 DSO Series User Ma nual Dual analog channels; width range : mV/div ~ 20V/div DSO Oscilloscopes offer a user-friendly front panel with clear indications to allow access to all basic functions for easy operation. High definition color LCD system, 400 x 240 resolution The scaling and position buttons for all channels are optimally Supports plug-and-play USB storage device.
  • Page 9 DSO Series User Ma nual DSO accessories : 2 x 1.2m, : / : probe. For details refer to the probe 1 1 10 1 instructions. These accessories conform with EN 1010-0 1:2008 standards Power line conforming to international standards applicable in the country of use User Manual USB connecting cable :...

  • Page 10: Table Of Contents

    DSO Series User Ma nual 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---------------------------------------------------- Chapter 2 Instrument Setups-----------------------------------------------------------------------...
  • Page 11 DSO Series User Ma nual Item Page Storage and Recall ---------------------------------------------------------------------- Utility Function Setup-------------------------------------------------------------------- Automatic Measurement------------------------------------------------------------- Cursor Measurement ------------------------------------------------------------------- Using the Run Button-------------------------------------------------------------------- Chapter 3 Practical Example Illustrations---------------------------------------------------------- Illustration 1 : Measuring simple signals------------------------------------------------ Illustration 2 : Observing the delay and time-lapse caused by a sine wave signal passes through the circuit --------------------------------------------------- Illustration 3 : Acquiring single signals-------------------------------------------------- Illustration 4 : Reducing random noise of signals---------------------------------------...
  • Page 12 DSO Series User Ma nual Item Page Chapter 4 System Prompts and Trouble-shooting-------------------------------------------------------- Definitions of System Prompts-------------------------------------------------------------------- Troubleshooting-------------------------------------------------------------------------------------- Chapter 5 Technical Indicators--------------------------------------------------------------------------------- Appendix A : Technical indicators---------------------------------------------------------------- Appendix B : Accessories for DSO Series Digital Storage Oscilloscope ------ Appendix C : Maintenance and Cleaning----------------------------------------------- Index --------------------------------------------------------------------------------------------...

  • Page 13: Chapter 1 User Guide

    DSO Series User Ma nual front panel. The functions of knobs are similar to other Oscilloscopes. Chapter 1 User Guide On the right you will find the screen copy key (PrtSc) which enables you Your DSO Series digital storage oscilloscope is a small and compact to save the current screen in an external USB device in picture format benchtop device.
  • Page 14 DSO Series User Ma nual Figure 1-1 DSO Series Digital Storage Oscilloscope...
  • Page 15 DSO Series User Ma nual Multifunction Frequently Operation control knob Used Menus controls Trigger controls Horizontal controls Vertical controls Probe compensation signal output External trigger inputt Analog signal input USB Host interface Figure 1-2 Schematic Diagram of the DSO Front Panel...
  • Page 16 DSO Series User Ma nual Displaying the horizontal trigger position Displaying the central graticule time Trigger status display CH1 icon The menu varies with individual function keys Waveform display window Ch2 icon Displaying main Displaying the vertical time base setup graticule factor of the channel Figure 1-3 Schematic diagram of the display interface...

  • Page 17: General Inspection

    After completing the above steps, press CH1] to enter the CH1 menu. missing items against this list. If any item is missing or damaged, please contact your Tenma dealer or our local office. 3. Thorough inspection of the entire unit...
  • Page 18 DSO Series User Ma nual 2. Accessing signals Your DSO oscilloscope has dual input channels and an external Power switch trigger input channel. Please access signals in the following steps : ① Connect the probe of the digital storage oscilloscope to the CH1 input terminal, and set the attenuation switch of the probe to Function 10X (Figure 1-5).
  • Page 19 DSO Series User Ma nual ② You have to set the probe attenuation factor of the oscilloscope. ③ Connect the probe tip and ground clamp to the connection terminal for the probe compensation signal. Press [AUTO] and you will see a This factor changes the vertical range multiple to ensure the measurement result correctly reflects the amplitude of the signal square wave in the display (1kHz, approximately 3V, peak-to-peak...

  • Page 20: Probe Compensation

    DSO Series User Ma nual If you see an “Undercompensation” or “Overcompensation” Probe Compensation waveform display, adjust the adjustable capacitance tab of the When connecting the probe to any input channel for the first time, probe with a screwdriver with non-metal handle, until a “Correct perform this adjustment to match the probe to the channel.

  • Page 21: Getting To Know The Vertical System

    DSO Series User Ma nual Should you require to make more detailed check, you can adjust Turn the vertical position knob to display the signal in the centre of manually after the auto setup process until you get the optimal the window.

  • Page 22: Getting To Know The Horizontal System

    DSO Series User Ma nual Change the vertical setup and observe changes of status Getting to Know the Horizontal System information. As shown in the figure below, there are one button and two knobs in the You can identify changes of any vertical range by reading the horizontal control zone.
  • Page 23 DSO Series User Ma nual Use the horizontal SCALE knob to change the horizontal time base range setup and check any changes in time base range. Shortcut key for resetting trigger point displacement to horizontal Turn the horizontal SCALE knob to change the SEC/DIV time zero : base range.

  • Page 24: Getting To Know The Trigger System

    DSO Series User Ma nual Use the trigger level knob to change the trigger level. You will see Getting to Know the Trigger System a trigger sign on the screen that indicates the trigger level. The As shown in Figure 1-11, there is one knob and three buttons in the sign will move up and down with the knob.
  • Page 25 DSO Series User Ma nual Press [SET TO ZERO] to set the trigger level at the vertical centre point of the trigger signal amplitude. Press [FORCE] to generate a compulsory trigger signal that is mainly used in the normal and single trigger modes. Figure 1-12 Trigger Menu...

  • Page 26: Chapter 2 Instrument Setups

    DSO Series User Ma nual Setting the help system ([UTILITY]) Chapter 2 Instrument Setups Automatic measurement ([MEASURE]) You should be familiar with basic operation of the vertical controls, Cursor measurement ([CURSOR]) horizontal controls and trigger system menu of your DSO Series oscilloscope by now.

  • Page 27: Setting The Vertical System

    DSO Series User Ma nual Setting the Vertical System Table 2-1：Explanatory notes for channel menu CH1, CH2 and setups Function Menu Setup Explanatory Note Each vertical channel has its own vertical menu. You should set up each Coupling Intercept the DC quantities of the item for each channel individually.
  • Page 28 DSO Series User Ma nual Press [F1] to select DC. Both DC and AC quantities of the testing signal 1. Setting the channel coupling : being inputted to CH1 can pass through. The waveform display is as Take an example of applying a signal to CH . The signal being follows : tested is a sine signal that contains DC quantities.
  • Page 29 DSO Series User Ma nual Press [F1] to select GROUND. It is now set up as ground. The display is 2. Setting channel bandwidth suppression : as follows : Bandwidth suppression can suppress high frequency quantities over 20MHz or noise in the signal being tested. Application is as follows : (Note:in this mode, although waveform is not displayed, the signal remains connected to the channel circuit) Press [CH1] to turn CH1 on.
  • Page 30 DSO Series User Ma nual Press [F2] to set BANDWIDTH SUPPRESSION ON. All high frequency 3. Setting the probe rate : quantities higher than 20MHz in the signal being tested will be limited. To match the probe attenuation factor setup, it is necessary to set up the The waveform display is as follows : PROBE attenuation factor in the channel operation menu accordingly.
  • Page 31 DSO Series User Ma nual 4. Vertical VOLTS/DIV adjustment setup : 5. Waveform inversion setup You can adjust the VOLTS/DIV range of the vertical deflection factor Waveform inversion : The displayed signal is inverted 180 either in the coarse tune mode or fine tune mode. In COARSE TUNE degrees with respect to the ground level.
  • Page 32 DSO Series User Ma nual I. Operating Math Functions Table 2-2 : Explanatory notes for the Math menu Function Menu Setup Explanatory Note Math functions are displays of +, -, × , and FFT mathematical To carry out +, -, ×, Type Math functions...
  • Page 33 DSO Series User Ma nual Select the FFT Window Table 2-3 Explanatory notes for the FFT menu Function Menu Setup Explanatory Note Assuming the YT waveform is constantly repeating itself, the Type To carry out FFT algorithm oscilloscope will carry out FFT conversion of time record of a limited functions length.
  • Page 34 DSO Series User Ma nual Table 2-4 FFT Window Feature Most Suitable Measurement Item Rectangle The best frequency recognition rate, the worst amplitude Temporary or fast pulse. Signal level is generally the recognition rate. Basically similar to a status without adding same before and after.

  • Page 35: Setting The Horizontal System

    DSO Series User Ma nual Setting the Horizontal System Table 2-5 The horizontal shift knob Function Menu Setup Explanatory Note You can move the waveform on the screen with the horizontal shift Main 1. Open the main time base. 2. If you press the main time base knob.
  • Page 36 DSO Series User Ma nual Icon definitions : ① The distance between the triggering position and horizontal Definitions centre point (time). Y-T Mode : In this mode the Y axis indicates voltage and the X ② Represents the memory position of the triggering point. axis indicates time.
  • Page 37 DSO Series User Ma nual extended time base relative to the main time base is now higher (as Horizontal extension of the waveform shown in the above figure). Since the waveform shown in the entire lower part corresponds to the selected zone in the upper part, you can increase the extended time base by turning the horizontal SCALE knob to decrease the size of the selected zone.
  • Page 38 DSO Series User Ma nual Caution : In the normal X-Y mode, the oscilloscope can use the random sampling rate to acquire waveforms. To adjust sampling rate and channel vertical range in the X-Y mode and to adjust the time range, the omitted sampling rate is 100MS/s.

  • Page 39: Setting The Trigger System

    DSO Series User Ma nual [TRIG MENU] : Button for the trigger setup menu. Setting the Trigger System Trigger Control Triggering decides when the oscilloscope collects data and display Trigger modes : edge, pulse and alternate. waveforms. Once the trigger is correctly set up, it can transform Edge Trigger unstable displays into meaningful waveforms.
  • Page 40 DSO Series User Ma nual Table 2-6 FFT Window Feature Most Suitable Measurement Item Type Edge Source Set CH1 as the signal source trigger signal C H2 Set CH2 as the signal source trigger signal Set the external trigger input channel as the signal source trigger signal AC Line Set up as grid trigger Alter...

  • Page 41: Pulse Width Trigger

    DSO Series User Ma nual Pulse Width Trigger Pulse width trigger means determining the triggering time based on the trigger width. You can acquire abnormal pulse by setting the pulse width condition. Table 2-7(P.1) Function Menu Setup Explanatory Note Type Pulse Source C H1...
  • Page 42 DSO Series User Ma nual Table 2-8 Function Menu Setup Explanatory Note Type Pulse Polarity Positive Set positive pulse width as the trigger signal Negative Set negative pulse width as the trigger signal Auto The system automatically samples waveform data when there is no trigger signal input. The Mode scan baseline is shown on the display.

  • Page 43: Alternate Trigger

    DSO Series User Ma nual Alternate Trigger When alternate trigger is selected, the trigger signal will be present in Table 2-9 Alternate trigger mode setup two vertical channels. This triggering mode is suitable for observing two Function Menu Setup Explanatory Note signals of unrelated signal frequencies.
  • Page 44 DSO Series User Ma nual Setup for Trigger coupling mode Adjusting the Holdoff Time Enter the trigger setup menu to set up the trigger coupling mode and You can adjust the holdoff time to observe complicated waveforms (e.g. achieve the most stable synchronization. The trigger coupling menu is pulse string series).
  • Page 45 DSO Series User Ma nual Adjust the multifunction control knob in the upper front panel. The holdoff time will change accordingly until the waveform display is stable. Trigger Definitions position Trigger source : Trigger can be obtained from various signal sources : Input channel (CH1, Ch2), external trigger (EXT), LINE.
  • Page 46 DSO Series User Ma nual 2. Trigger mode : Determine the action of your oscilloscope at no Trigger coupling : Trigger coupling determines which trigger. This oscilloscope offers three trigger modes for selection : quantities of the signal are transmitted to the trigger circuit. auto, normal and single.

  • Page 47: Setting The Sampling System

    DSO Series User Ma nual Setting the Sampling System Table 2-12 Sampling menu Function Menu Setup Explanatory Note As shown below, [ACQUIRE] button in the control zone is the Turn on the ordinary sampling mode Sample Mode function key for the sampling system. Turn on the peak detect mode Peak Set to average sampling and display...
  • Page 48 DSO Series User Ma nual By changing the acquisition setup, you can observe the consequent changes in waveform display. If the signal contains considerable noise, you will see the following displays when average sampling is not selected and when 64-time average sampling is selected. For sampling waveform display please see Figure 2-18 and Figure 2-19.

  • Page 49: Setting The Display System

    DSO Series User Ma nual Setting the Display System Definitions : Real time sampling : In this mode, the system makes full As shown below, the [DISPLAY] button in the control zone is the acquisition to fill the memory. Maximum real time sampling rate is function key for the display system.

  • Page 50: Storage And Recall

    DSO Series User Ma nual Storage and Recall Table 2-13 Display menu As shown below, the [STORAGE] button in the MENU control zone is Function Menu Setup Explanatory Note the function key for the storage system. Sampling points are linked for Type Vector display...
  • Page 51 DSO Series User Ma nual Table 2-14 Waveform storage menu (page 1) Function Menu Setup Explanatory Note Wave Select the waveform storage and Type recall menu Selected signal is from CH1 Source Selected signal is from CH2 Turn the multifunction control knob Dest 1~20 to set the waveform storage...
  • Page 52 DSO Series User Ma nual Table 2-15 Waveform storage menu (page 2) Function Menu Setup Explanatory Note Select the internal memory of the Disk oscilloscope Select the external USB. (This function can only be used with the USB key plugged in) Lenght Normal Select normal storage depth...
  • Page 53 DSO Series User Ma nual For the setup storage menu, see Table 2-16. Table 2-16 Setting the storage menu Function Menu Setup Explanatory Note Select the front panel setup menu Setup 1~20 Maximum 20 front panel setups Setups can be stored with the multifunction control knob on the front panel 1~200 Set the waveform storage position...

  • Page 54: Utility Function Setup

    DSO Series User Ma nual 3. Select bitmap to enter the bitmap storage menu. See Table 2-17. Note : This function can be enabled only when the USB device is plugged in. Table 2-17 Bitmap storage menu Function Menu Setup Explanatory Note Select the bitmap menu Bitmap...
  • Page 55 DSO Series User Ma nual Table 2-19 Utility function menu (page 2) Function Menu Setup Explanatory Note Setting the factory setup recall Reset Figure 2-26 Function key for the sampling system (function) Skin Setting the interface designs. Press the [UTILITY] button to pop out the setup menu for utility Two designs (mono display) / functions.
  • Page 56 DSO Series User Ma nual Table 2-21 Waveform record menu ( 1 ) Table 2-22 Waveform record menu (2) (Press [UTILITY] to enter) (Press [OPERATION] to enter. See the above table) Function Menu Setup Explanatory Note Function Menu Setup Explanatory Note Record button.

  • Page 57: Automatic Measurement

    DSO Series User Ma nual Important Points : Auto Calibration : You can correct measurement errors caused by environmental changes with the auto calibration function. This process can be run selectively when necessary. To make calibration more accurate, power on your oscilloscope and allow 20 minutes to warm up. Then press the [UTILITY] button (help function) and follow on-screen instructions.
  • Page 58 DSO Series User Ma nual The measurement type option menu lets you choose voltage or Example 2 : Setup for delayed measurement. You can use the delayed time. You can enter the voltage or time measurement by measurement function to measure the time interval between the rising pressing [F1] ~ [F5] for the corresponding type, and then return edge of two signal source, i.e.
  • Page 59 DSO Series User Ma nual Average value : Average amplitude of signals within 1 cycle. Automatic measurement of voltage parameters Root mean square value (Vrms) : The effective value. Energy Your DSO Series Oscilloscope can automatically measure the following voltage parameters : generated by AC signal conversion during 1 cycle with respect to the DC voltage that produces equivalent energy, i.e.
  • Page 60 DSO Series User Ma nual 2 (Rising edge) : Delayed time of the rising edge of CH1, Delay 1 Table 2-23 Ch2. Function Menu Setup Explanatory Note 2 (Falling edge) : Delayed time of the falling edge of Delay 1 Back Return to the parameter measurement display menu...
  • Page 61 DSO Series User Ma nual Table 2-25 Table 2-27 Function/Measurement Explanatory Note Function/Measurement Explanatory Note Previous Previous Return to the previous page Return to the previous page Select to return to the parameter Mean Select to return to the parameter measurement display menu and measurement display menu and replace the original parameter in that...

  • Page 62: Cursor Measurement

    DSO Series User Ma nual Table 2-31 Table 2-29 Function Menu Setup Explanatory Note Function/Measurement Explanatory Note From(Channel) CH1/CH2/MATH Select the reference channel Previous Return to the previous page To(Channel) CH1/CH2/MATH Select the channel to be measured Fall Select to return to the parameter measurement display menu and replace the original parameter in that position Select to return to the parameter...

  • Page 63: Using The Run Button

    DSO Series User Ma nual You can move the cursor to carry out measurement in the [CURSOR] When the cursor function is enabled, measurement value is mode. There are three modes to choose from : voltage, time and automatically displayed in the upper right hand corner. tracking.
  • Page 64 DSO Series User Ma nual Table 2-32 RUN/STOP : Acquire waveform continuously or stop acquisition. Function Setup Menu If you want the oscilloscope to acquire waveform continuously, press Acquisition mode Sampling [RUN/STOP] once. Press the button again to stop acquisition. You can Display format Set to YT use this button to switch between acquiring and stop acquiring...

  • Page 65: Chapter 3 Practical Example Illustrations

    DSO Series User Ma nual menu. Chapter 3 Practical Example ② Press [F1] to enter the measurement type selection menu. Illustrations ③ Press [F3] to select voltage. ④ Press [F5] to go to page 2/4, then press [F3] to select Illustration 1 : Measuring simple signals measurement type : peak-to-peak value.

  • Page 66: Illustration 2 : Observing The Delay And Time-Lapse Caused By A Sine Wave Signal Passes Through The Circuit

    DSO Series User Ma nual menu. Illustration 2 : Observing the delay caused by a sine wave Press [F1] to enter the measurement type selection menu. signal passes through the circuit Press [F4] to enter the time measurement parameters table. As in the previous scenario, set the probe attenuation factor of the Press [F5] twice to go to page 3/3.

  • Page 67: Illustration 3 : Acquiring Single Signals

    DSO Series User Ma nual appropriate range. Illustration 3 : Acquiring single signals ④ Turn the [TRIGGER LEVEL] control knob to get the desired The advantages and special features of your digital storage level. oscilloscope lie in its ability to acquire non cyclical signals like pulse and ⑤...

  • Page 68: Illustration 4 : Reducing Random Noise Of Signals

    DSO Series User Ma nual 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. (Waveform is shown below) Figure 3-3 Single signal Figure 3-4 Reducing random noise of signals...
  • Page 69 DSO Series User Ma nual 3. Improving trigger by setting trigger coupling. reduced and details of the signal are clearer. Follow the steps ① below : Press [TRIG MENU] in the trigger zone to display the trigger Press [ACQUIRE] in the menu zone of the front panel to setup menu.

  • Page 70: Illustration 5 : Using The Cursors For Measurement

    DSO Series User Ma nual Illustration 5 : Using the cursors for measurement 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.

  • Page 71: Illustration 6 : Using The X-Y Function

    DSO Series User Ma nual Illustration 6 : Using the X-Y function and calculate the phase difference. (see the figure below) Signal must be To check the phase difference between two channels. horizontally central Example : To measure the phase variation when a signal passes through the circuit, connect your oscilloscope to the circuit and monitor the input and output signals.

  • Page 72: Illustration 7 : Using The Usb Upgrade Programme

    DSO Series User Ma nual Furthermore, if the frequencies and phase differences of two signals Illustration 7 : Using the USB upgrade program being measured are whole multiples, you can calculate the frequency The USB upgrade program makes upgrade easier and more flexible. To and phase correlation between the two signals.
  • Page 73 DSO Series User Ma nual Figure 3-8 USB update confirmation Figure 3-9 Selection of the USB upgrade document After pressing F5, 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 multifunction control knob then press When [F5] is pressed as shown in Figure 3-9, the prompt on the [F5] to move to the next step (If there is only one program on the USB...
  • Page 74 DSO Series User Ma nual Figure 3-10 Confirming the USB update Figure 3-11 USB upgrade in progress document When update is complete, a successful update prompt will appear : “Upgrade is successfully complete. Please remove USB device, When the USB document is confirmed the following prompt will appear : “System upgrade is in progress.
  • Page 75 DSO Series User Ma nual Caution : If upgrade fails due to power interruption, power off the oscilloscope and repeat all the USB update steps. 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 [F5] 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 76 DSO Series User Ma nual ② The user cancels the update process. During the update process, you can cancel update by pressing [F1]. To cancel upgrade and operate your ① When the oscilloscope is restarted with the USB device oscilloscope normally, follow the on-screen instructions : plugged in, you can cancel upgrade by pressing [F1].
  • Page 77 DSO Series User Ma nual ③ You can still cancel update when the oscilloscope is ready The USB device is removed before update begins for the process. Simply press [F1] to return to normal If the USB device is removed when the update document is being operation.
  • Page 78 DSO Series User Ma nual Incorrect update document Failure in reading update document If the version of the update document on the USB device is After selecting the update document, press [F5] to read. If the incorrect, update will fail upon selecting the upgrade document document cannot be read, you will see the prompt : “...
  • Page 79 USB device is lower than the e.g. 72-8710, then repeat the USB update steps. existing one on the oscilloscope. You should acquire the correct version either online or through our after-sales service department.

  • Page 80: Illustration 8 : Screen Copy

    DSO Series User Ma nual Illustration 8 : Screen copy You can press the screen copy key (PrtSc) to intercept a full screen. To use this function, follow the steps below : Press the screen copy key (PrtSc), copying is done when the completion screen is displayed.

  • Page 81: Chapter 4 System Prompts And Trouble-Shooting

    ③ Restart the unit after performing the above checks. time base switch, X shift, vertical shift and trigger level adjustments ④ If the unit still fails to work, contact Tenma to request service. have reached their ultimate limits, this prompt will appear.
  • Page 82 DSO Series User Ma nual The measurement voltage amplitude value is 10 times larger or MODE to AUTO. ② smaller than the actual value : Press [AUTO] to complete the automatic setup. Check if the channel attenuation factor corresponds with the Display speed is slow after average sampling time is enabled : probe attenuation you have chosen.

  • Page 83: Chapter 5 Technical Indicators

    DSO Series User Ma nual Technical Indicators Chapter 5 Appendixes Sampling Appendix A : Technical Indicators Sampling modes 72-8710 72-8705 1GS/s Real time sampling Unless otherwise specified, all technical specifications apply to probes Equivalent sampling 50GS/s with attenuation setting of 10X and the DSO Series Digital...
  • Page 84 DSO Series User Ma nual Horizontal Waveform interpolation Sin (x) / x 2 x 600k sampling dot Recording length Saving depth 25k for single channel; 12.5 k for dual channels Scanning range (s/div) 2ns/div-50s/div ( at 1-2-5 increment) Accuracy of sampling rate ±...
  • Page 85 Verticall A/D converter 8-bit resolution Deflection factor range 1 mV/div ~ 20V/div (at input BNC) (VOLTS/DIV) ± Position range Analog bandwidth 100MHz(72-8710),50MHz(72-8705) Single bandwidth 100MHz(72-8710),50MHz(72-8705) Selectable analog 20MHz bandwidth limit (Typical) Low frequency response ≤ Hz at BNC (AC coupling, -3dB) Rise time 3.5ns,7ns at 100MHz and 50MHz bandwidths respectively...
  • Page 86 DSO Series User Ma nual Trigger div; external trigger : Internal trigger : Trigger sensitivity ± div from the centre of the screen Trigger level range Trigger level accuracy (Typical) applied on signals of ≥20ns rise ± ( div x V/div) (within ± div from the centre of the screen) or fall time Pretrigger capability Normal mode/scanning mode, pretrigger/delayed trigger.
  • Page 87 DSO Series User Ma nual Measurement Cursor Manual mode △ Voltage difference (△V) between cursors; time difference ( T) between cursors; time difference (△T) countdown (Hz) (1/△T) Automatic measurement mode Cursor display is enabled during measurement Automatic measurement Peak-to-peak, amplitude, maximum, minimum, top, bottom, mean, average, root mean square, overshoot, preshoot, frequency, cycle, rising time, falling time, positive pulse, negative pulse, positive duty ratio, negative duty ratio, delay.
  • Page 88 110401102754 Operating : 0 C~+40 C ° ° 32 F 104 F Non-operating : °C~ 60°C 140 F ＜ 35 C : ≤ RH ; ° +35°C~+40°C : ≤ Please note The product come with the power source 220V (for UK/Europe) or 110V (forUSA);...

  • Page 89: Appendix B : Accessories For Dso Series Digital Storage Oscilloscope

    DSO Series User Ma nual Appendix B : Accessories for DSO Series Digital Storage General Care Oscilloscope Do not store or leave the oscilloscope where the LCD display will be exposed to direct sunlight for long periods of time. Standard Accessories : Caution : To avoid damage to the oscilloscope or probes, do not expose Two 1.2m, 1:1(10:1)

  • Page 90: Index

    DSO Series User Ma nual Refresh rate ----------------------------------------------- Index Single trigger ---------------------------------------------- Alphabet Cycle ----------------------------------------------------- DSO ----------------------------------------------------- Vertical system --------------------------------------------- EXT ----------------------------------------------------- Grid ------------------------------------------------------ FFT resolution --------------------------------------------- Acquisition ------------------------------------------------ FFT frequency analysis------------------------------------- Cursor measurement --------------------------------------- USB ----------------------------------------------------- Display system --------------------------------------------- X-Y mode ------------------------------------------------ Compulsory ----------------------------------------------- Y-T mode ------------------------------------------------...
  • Page 91 DSO Series User Ma nual --------------------------------------- Coarse tune - Measuring simple signals ----------------------------------- Sec/div --------------------------------------------------- Nyquist frequency---------------------------------------- Realtime sampling --------------------------------------- Pulse width trigger ----------------------------------------- Top value ----------------------------------------------- Language selection ---------------------------------------- ------------------------------------------------- Bottom value ------------------------------------------- Technical indicators -------------------------------------- Using the RUN button -------------------------------------- ----------------------------------- ------------------------------------- Waveform inversion...
  • Page 92 DSO Series User Ma nual -------------------------------------- Trigger coupling ------------------------------------------ Sampling system ----------------------------------- Mechanical specifications --------------------------------- Coarse tune/fine tune ---------------------------------- Automatic setup ------------------------------------------ Utility system functions --------------------------------------- Automatic measurement ---------------------------------- Maximum value ---------------------------------------- Automatic trigger ----------------------------------------- Minimum value Self calibration ------------------------------------------- ------------------------------------ Equivalent sampling -------------------------------------------...
  • Page 93 DSO Series User Ma nual Copyright 2010 Tenma All rights reserved. Manufacturer: Tenma 405 S. Pioneer Blvd, Springboro, Ohio 45066-3001 Phone: 1-888-655-5409 This user manual may be revised without prior notice.
  • Page 94 说明书菲林做货要求： 序号 项目 内容 尺寸 210x145MM 材质 封面、封底用230G铜版纸，内页80G书纸。 颜色 1：1印刷，印刷黑色 外观要求 印刷完整清晰、版面整洁，无分层、残损、毛边等缺陷。 装订方式 采用胶装 排版 封面、封底分别印在说明书第一面及最后一面，按页码及页 面顺序往下排，注意整本说明书页首的方向一致。 表面处理 封面、封底表面过哑胶，内页无表面处理 备注 在原基础上更改第86页内容，其他不变， 旧P/N:110401102754X （UTD2052CEL/ MODEL Part NO. 陈秋兰２０１４－３－２８ 设 计 UTD2102CEL改） 机型: 物料编号:110401104855X 说明书 审 核 APPRO. 批 准...

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