Tenma 72-7615 Operating Manual

Digital storage oscilloscope

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DATE:2015/07/02

72-7615/72-7620/

72-7625/72-7635/

72-7640

OPERATING

MANUAL

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Page 1 72-7615/72-7620/ 72-7625/72-7635/ 72-7640 OPERATING MANUAL REV.0 DATE:2015/07/02...
Page 2 Tenma manual...
Page 3 72-7615/72-7620/72-7625/72-7635/72-7640 user manual...
Page 4 Customer shall be responsible for years from the date when original purchaser purchases the product from Tenma or its authorized Tenma distributors. encasement of the defective products and for delivery of Probe and other accessories, fuse are not under the...
Page 5 (if this change or integration will increase the time or difficulty for product maintenance). The Warranty is made for the product by Tenma, to substitute any other expressed or implied warranty. Tenma and its distributors refuse to make any implied warranty for merchantability or applicability for special purposes.
Page 6 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Overview of general safety via ground lead of power supply. In order to avoid electric shock, ground conductor must be connected with the The instrument is designed and manufactured in strict ground. Prior to connecting the input or output terminal accordance with safety requirement for GB4793 electric of the product, make sure the product is grounded correctly.
Page 7 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Product terms: terms below may be adopted for the It is better to stop operation when the product is product . suspected to be out of order: ask qualified maintenance Hazard: indicating there is direct damage hazard close personnel for inspection.
Page 8 The Manual includes the following chapters: Chapter I Introduction for Beginners: briefly introduce the function of DSO and provide installation guide. Chapter II Instrument Setting: Instrument Setting: introduce the operation modes of 72-7615/72-7620/72-7625/ 72-7635/72-7640 series DSO. Chapter III System Prompt and Troubleshooting:...
Page 9 ● Maximum storage depth 16Mpts waveform and gear position settings. ● Full range triggering functions include: edge, video, Apart from easy to use, 72-7615/72-7620/72-7625/ pulse width, slop, alternating trigger, etc. 72-7635/72-7640 series DSO also has high performance ● It can automatically measure 24 waveform parameters...
Page 10 ● Unique AUTO setting function for intuitive and flexible ● 72-7635/72-7640 series oscilloscope communication configuration control software CD ● Multi-language menu selection Accessories of 72-7615/72-7620/72-7625 DSO ● Two 1.2m probes with 1:1/10:1 selection. ● One power cable ● One Use Manual ● One Product Warranty Card ●...
Page 11: Table Of Contents
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table of contents Chapter I Introductions 1.1 Initial Setting 1.2 General Inspection 1.3 Function Inspection 1.4 Probe Compensation 1.5 Self-Calibration 1.6 Automatic Settings of Waveform Display 1.7 Setting of Date and Time 1.8 Introduction to the Front Panel 1.9 Introduction to The Vertical System...
Page 12 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 2.5 Set the Acquire System 2.6 Set Display System 2.7 Storage and Load System 2.8 Set of Measurement parameters 2.9 Cursor Measurement 2.10 Utility Setting 2.11 Auto Setting Chapter III System Message Example and Troubles hooting Chapter IV Service and Support...
Page 13: Chapter I Introductions
Setting of Date & Time 1. Packing inspection Introduction to the Front Panel Please contact Tenma immediately in case of any Introduction to the Vertical System seriously broken of packing box or foam plastic. 1.10 Introduction to the Horizontal System 2.
Page 14: Function Inspection
5. Press UTILITY function key, press F5 and then F2 to If the instrument is damaged due to transportation, enter Auto mode setting, enable all the settings and please keep the package material, and contact Tenma repeat Step 2 and 3. 1.4 Probe Compensation for repair or replacement.
Page 15 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 2.Observe displayed waveforms Under- Over- Correct compensation compensation compensation Figure 1-3 Probe Compensation Correction 3. If the screen displays “Under-compensation” or “over -compensation” waveform, use screwdriver to adjust the Figure 1-1 Setting of Probe Attenuation Rate Switch variable capacitance on the probe until “correct...
Page 16: Self-Calibration
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Note: when probe “attenuator” switch is set at l×, the 1.6 Automatic Settings of Waveform Display probe will restrict DSO bandwidth to 6MHz. Ensure that 72-7615/72-7620/72-7625/72-7635/72-7640 series the switch is set to l0× to achieve full bandwidth of DSO has automatic setting function.
Page 17: Introduction To The Front Panel
72-7615/72-7620/72-7625/72-7635/72-7640 user manual multipurpose knob to set date and time. 4. Press “OK” to save the set date and time 1.8 Introduction to the Front Panel A brief introduction of operation and function of front panel of 72-7615/72-7620/72-7625/72-7635/72-7640 series will be made in the chapter.
Page 18 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 72-7615 60MHz 1G/s Figure 1-5 Front Panel of 72-7615...
Page 19 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 72-7635 300MHz 2G/s Figure 1-6 Front Panel of 72-7635...
Page 20 72-7615/72-7620/72-7625/72-7635/72-7640 user manual parameters or multi-option menus on some menu options; Steps to access menu system: press the knob to confirm, etc. 1.Press any menu button on the front panel for HORIZONTAL MENU: set time base and window extension corresponding menu.
Page 21: Introduction To The Vertical System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual CH1 and CH2 : Turn ON or turn OFF selected channel SCALE knob: Press to access window MATH: activate Mathematic function. extension mode. REF: display reference waveform menu. SINGLE: activate single trigger mode. FORCE: activate force trigger mode 1.9 Introduction to The Vertical System...
Page 22: Introduction To The Horizontal System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual corresponding vertical scale will be displayed on status Turn VERTICAL POSITION knob to move the vertical bar. position of the waveform. Press the knob to reset the 3. Press CH1 , CH2 , REF or MATH button, signal vertical position to midpoint of the screen.
Page 23 72-7615/72-7620/72-7625/72-7635/72-7640 user manual factor in horizontal timeline. Corresponding value will be displayed on the status bar at the bottom of the screen. Note: Timeline range from 2ns/div~50s/div (range depends on different DSO model, please check specification for detail) 2. Use horizontal POSITION knob to adjust the horizontal position of signal waveform.
Page 24: Introduction To The Trigger System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual (50%) of trigger signal; press again to set the trigger 1.11 Introduction to The Trigger System level to be zero. As shown in Figure 1-5, there is one knob and three MENU: display trigger menu. keys in trigger menu control area. Practices below will 1.
Page 25: Chapter Ii Instrument Settings
POSITION and VOLTS/DIV) waveform luminance by turning on CH1 or CH2. Compared ■ 2.3 Set horizontal system ( MENU , POSITION and with general digital oscilloscopes, 72-7615/72-7620/ SEC/DIV) 72-7625/72-7635/72-7640 series digital oscilloscope is ■ 2.4 Set trigger system ( TRIGGER , MENU , capable of waveform luminance control.
Page 26 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Each channel has an independent vertical menu and each Activate reverse function of waveform. Waveforms will display reversely. Inverting item can be set independently in different channels. Press Waveform is displayed normally. CH1 or CH2, operation menu for CH1 or CH2 will be...
Page 27 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Fig 2-1 Blocked DC Component of Signal Figure 2-2 Display of Signal DC Component and AC Component Press F1 twice to select DC 1MΩ , then the channel Press F1 and then F3 to set CH1 to connect to the will be set as DC coupling mode.
Page 28 72-7615/72-7620/72-7625/72-7635/72-7640 user manual signals will be allowed to pass. Waveform display is shown in the following figure. Figure 2-3 Channels Set To be Grounded (Note: although no waveform is displayed on the screen in this mode, input signal is still connected with channel circuit.)
Page 29 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Figure 2-5Waveform When Setting Figure 2-6 Probe Attenuation Bandwidth limited is ON (20MHz) Coefficient Setting in Channel Menu (Partial trigger level in the figure) 3. Setting probe rate 4. V/div setting on vertical scale coefficient: In order to cooperate with attenuation coefficient setting...
Page 30 72-7615/72-7620/72-7625/72-7635/72-7640 user manual with smaller stepping within the current vertical gear See Figure 2-8 for non-inverted waveform and position range. Figure 2-9 for inverted waveform Figure 2-8 Non-inverted Waveform Figure 2-7 Coarse and Fine Adjustment of Vertical Deflection Factors 5. Settings of waveform inverting...
Page 31 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 6. Setting on bias voltage When amplitude of DC components in the measured signals is higher than AC components, the signal waveform will be offset as shown in Figure 2-10. Figure 2-11 Waveform After Using Bias Voltage...
Page 32 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Function Menu Settings Description Math Type Mathematic operation Select CH1 or CH2 as signal Signal source 1 source 1 Signal source 1 + Signal source 2 Signal source 1 - Signal source 2 Operator Signal source 1 x Signal source 2 ×...
Page 33 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-3: FFT Menu Description ■ Measure harmonic content and distortion in the system ■ Display noise characteristic in DC power supply Function Menu Settings Description Type FFT mathematical operation ■ Analyze vibration Set CH1 as operation waveform Fundamental frequency component is 1kHz.
Page 34 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Select FFT window Table 2-4 FFT window Assuming that YT waveform is continuously repeated, Most suitable measurement Features window content DSO shall conduct FFT conversion for time record with The best frequency Signal levels, before and after finite length.
Page 35 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-5: Description on Digital Filtering Menu Explanation of nouns Function Menu Settings Description FFT resolution: defined as the quotient of sampling Digital and operation point. When number of operation point Type Digital filtering filtering are fixed, the lower the sampling rate is, the better...
Page 36 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Press F5 , saved files in USB drive 1. Press REF key. When root directory will be displayed. Select USB is 2. Press F2 “Reload” to load reference waveform from one saved waveform through the plugged MULTIPURPOSE knob, and then DSO internal storage, select one out of 10 storage press MULTIPURPOSE to confirm.
Page 37: Set Horizontal System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual 2.3 Set Horizontal System The horizontal POSITION knob is use to adjust the horizontal position of channel waveform (including Horizontal control panel mathematical operation). The resolution of the horizontal Using the horizontal control panel to change the horizontal position control knob varies at different time base.
Page 38: Set Trigger System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual SCALE knob to reduce the selected area of the waveform. Note: maximum extension time base is 50ns/div. 2.4 Set Trigger System Trigger decides when DSO starts collecting data and displays waveform. After trigger is detected, the instrument will continuously collect adequate date to draw waveform at the right of the trigger point.
Page 39 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Trigger LEVEL knob: trigger knob is used to adjust the Video trigger: conduct field or line signal trigger by trigger level (To set the voltage level corresponding to standard video signals. trigger point). Slope trigger: set the oscilloscope to trigger by positive Press LEVEL knob to set the trigger level to be level slope or negative slope on specific time.
Page 40: Pulse Width Trigger
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-9 Pulse Width Trigger Low- Reject low-frequency component of frequency the triggering signal (below 80kHz Function Menu Settings Description rejection signals) Edge Type Trigger coupling High- Reject high-frequency component of Set CH1 or CH2 as the trigger signal...
Page 41: Video Trigger
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Return Back to the menu of pulse width trigger Set to normal trigger. The DSO will Normal only perform data acquisition when there is triggering signal. Video trigger Set to single trigger. The DSO will Trigger mode...
Page 42 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-12 Video Setting Function Menu Settings Description NTSC Select to PAL video standard Video model Select to NTSC video standard Odd field Set to be triggered in video odd field Even field Set to be triggered in video even field Set trigger synchronize to video line.
Page 43 72-7615/72-7620/72-7625/72-7635/72-7640 user manual upon request, then the hold-off time can be set as the Operating instructions pulse train width s shown in Figure 2-18. 1. Firstly select the edge and trigger source in trigger MENU under normal signal synchronization mode and...
Page 44 72-7615/72-7620/72-7625/72-7635/72-7640 user manual perform data acquisition using CH1 and CH2 based on automatically synchronizing with the trigger signal. an external clock signal connects to the “EXT TRIG” Attention: when scanning waveform is set as 50ms/div input channel. External trigger signal connects to “EXT or time base, no trigger signal is allowed under “auto...
Page 45: Set The Acquire System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual ■ “Low frequency rejection” blocks DC component and Table 2-14 Sampling Menu attenuates low frequency component below 80kHz Function Menu Settings Description Normal Set to normal acquisition mode. ■ “High frequency rejection” attenuates high frequency Acquisition mode Peak value Set to peak value acquisition mode.
Page 46 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 1. Acquisition mode: Acquisition mode shall be changed to observe the different of waveform properties. By applying the Peak value mode, it can effectively reduce the occurrence of false wave. Please select peak value mode when hoping to observe the signal envelope.
Page 47 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 3. Storage depth: If intended to view more waveform details, please apply deep storage. More waveform details can be observed in window extension.. In deep storage, window could be extended to 10,000 times. In contrast, normal only support up to 10 times, please refer to Figure 2-23 and Figure 2-24.
Page 48 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Explanation of nouns Sampling Acquisition: acquire signal based on time base and applicable to most of the signal type. Sampling mode is default mode of Acquisition mode Peak value Acquisition: in the acquisition mode, oscilloscope shall find the maximum and minimum values of input signals in each sample interval and display waveforms by above values.
Page 49: Set Display System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-15 Display Menu acquired by clock in high sampling rate. Function Menu Settings Description Real-time sampling: data required after one-time Display Y-axis as voltage level of input collection. Real-time sampling rate of the instrument signal and X-axis as time Type is 1GS/s at maximum.
Page 50 72-7615/72-7620/72-7625/72-7635/72-7640 user manual X-Y mode adjust size and shape of XY figure. Change time base User can enter the X-Y mode by press Display button gear position to acquire Lissajous figure with better and select F1. In this mode, CH1 and CH2 are required display effects.
Page 51: Storage And Load System
72-7615/72-7620/72-7625/72-7635/72-7640 user manual waveform per second. The speed of waveform capture Table 2-16 Storage Menu for Reference Waveform rate will have an impact on the capacity of fast observation Function Menu Settings Description on signal dynamic variations. Check the waveform of the signal Type Ref.
Page 52 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Return to storage menu for reference Load saved DSO setting from the DSO waveform:If USB exists, export it to internal storage, select storage position 1~10 Reload USB. Otherwise, it will display by the MULTIPURPOSE knob and press “Function is disabled, please insert...
Page 53: Set Of Measurement Parameters
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-19 Storage Menu for Setting Export—USB Table 2-21 USB Menu Function Menu Settings Description Function Menu Settings Description Set the file names of setting files Set the file names of setting files exported from the oscilloscope to USB...
Page 54 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Measurement menu Table 2-23 Measurement Menu (2) Press MEASURE button to access measurement Function Menu Settings Description menu as shown in Table 2-22. Time interval between rising edge or Delay falling edge of two channel waveform. ADV MEAS...
Page 55 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-25 Phase Menu customized parameters. A dialog box will prompt out with available parameters. Function Menu Settings Description Select a channel waveform as 2. Make selection by rotating the MULTIPURPOSE knob, From CH1/CH2 reference waveform and press MULTIPURPOSE key to confirm. After...
Page 56 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Note: in measurement on advanced parameters, the advanced parameters on screen cannot be clear independently. Advanced parameters can be clear only by pressing F4 Clear on the screen. Fig 2-29 Replacement of Single Customized Parameter (1) Fig 2-28 Selection of Customized Parameters...
Page 57 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Automatic measurement of voltage parameter Vbase: The voltage value from waveform base level to GND (Ground). . Overshoot: The ratio between (Vmax – Vtop) and voltage amplitude (Vamp) in percentage Pre-shoot: The ratio between (Vmin – Vbase) and voltage amplitude (Vamp) in percentage Average: The average amplitude of signal within 1 cycle.
Page 58: Cursor Measurement
72-7615/72-7620/72-7625/72-7635/72-7640 user manual 2.9 Cursor Measurement 72-7615/72-7620/72-7625/72-7635/72-7640 series oscilloscope can automatically measure the frequency, Press CURSOR button to access measurement cursor cycle, risetime, falltime, positive pulse width, negative and cursor menu, and then change the position of cursor pulse width, delay, positive duty ratio and negative duty by MULTIPURPOSE knob.
Page 59: Utility Setting
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-26 Menu of Time Cursor Measurement Remarks: 1. Under independent or tracking mode, rotate and press Function Menu Settings Description Type Time The cursor is set for time measurement. MULTIPURPOSE knob; select one of the cursors in full Allowed to independently move any line;...
Page 60 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-28 UTILITY Menu (1) Use MULTIPURPOSE knob to adjust Grid bright grid luminance in display area. GUI config. Function Menu Settings Description Back to UTILITY menu. Back Self-adj Execute self-calibration operation See Table Detect whether input signals are in...
Page 61 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-29 Pass Test 1 See Table Set the template for Pass/Fail test. Template setting 2-32 See Table 2-32 for details Function Menu Settings Description Return to function menu. Back Close De-activate Pass/Fail test. Allow testing Return to the previous page Previous Activate Pass/Fail test.
Page 62: Auto Setting
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-33 Waveform Recorder Menu Table 2-34 RTC Setting Function Menu Settings Description Function Menu Settings Description 1. Press playback key to playback Activate time display. If frequency recorded waveform on screen. Time display meter is not opened, time will not be Playback can be suspended if rotating displayed.
Page 63 72-7615/72-7620/72-7625/72-7635/72-7640 user manual frequency. When conducting automatic setting, the system will make automatic adjustment based on the AUTO setting. AUTO setting menu as shown in the following table: Table 2-35 Automatic Setting Function When AUTO mode is activated When AUTO mode is not activated Keep current setting in full bandwidth or 20MHz.
Page 64 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Remarks: Triggering of signal source in AUTO is based on the following criteria: 1. If there are only one input channel, the input signals Table 2-36 Automatic Option Setting: will be taken as the trigger source; Function Menu Settings Description 2.
Page 65 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Table 2-36 Automatic Option Setting: Use RUN/STOP key. When AUTO mode is When AUTO mode There is a key on the upper right corner of the Function not activated is activated operation panel of oscilloscope: RUN/STOP :...
Page 66: Chapter Iii System Message Example And Troubleshooting
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Troubleshooting Chapter III System Message 1. After pressing the power button of the DSO, the Example and Troubleshooting screen is dark and have no display: ①. Check if the power connector is properly connected System Messages Examples to power socket “Operation at limit”:...
Page 67 72-7615/72-7620/72-7625/72-7635/72-7640 user manual manually set the trigger level to the center; or change the ④. Try to acquire signal again. trigger mode to AUTO 3. The voltage amplitude measured is 10 times higher or ②. Or press AUTO button next to the RUN/STOP lower than the actual value: Check if the attenuation button, the above setting will be completed automatically.
Page 68: Chapter Iv Service And Support
72-7615/72-7620/72-7625/72-7635/72-7640 user manual 2. Hardware version of the program upgrade package is Chapter IV Service and Support required to be consistent with the hardware version of the oscilloscope to be upgraded. Section I: Firmware Upgrade 3. Software version of the program upgrade package is...
Page 69 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Note: 1. In the upgrade process, please do not power off the DSO. 2. After program upgrade success, restart the oscilloscope for initialization. It shall take 30s-1min to enter the operation interface. Figure 4- 1 3. Users can complete upgrade by following the prompt operations on the upgrade interface only.
Page 70: Chapter V Appendix
Appendix A: Technical Specification Unless otherwise specified, all technical specifications are applicable to the probes with attenuation switch set as 10× as well as 72-7615/72-7620/72-7625/72-7635/72-7640series DSO. DSO must first meet the following two conditions to meet those specification standards: ■ The instrument must continuously operate for over half an hour under the stipulated operating temperature.
Page 71 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Input Input coupling DC, AC and GND 100MHz 1±2%MΩ, in parallel with 24±3pF 72-7615/72-7620/72-7625 200MHz 1±2%MΩ，in parallel with 18±3pF Input impedance 1±2%MΩ, in parallel with 20±3pF 72-7635/72-7640 Probe attenuation coefficient 1×, l0×, 100×, 1000× Maximum input voltage 400V (DC+AC Vpp and 1MΩ...
Page 72 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 72-7615/72-7620/72-7625 72-7615 Model 72-7625 72-7620 Analog-to-digital converter 8-Bit Resolution (A/D) Range of deflection scale 2mV/div-5V/div 2mV/div-10V/div (in input of BNC) coefficient (V/div) Range of position ±8div Analog bandwidth 200MHz 100MHz 60MHz Single bandwidth 100MHz 100MHz 60MHz Selectable analog bandwidth...
Page 73 72-7615/72-7620/72-7625/72-7635/72-7640 user manual 72-7635/72-7640 72-7640 Model 72-7635 Analog-to-digital converter Bit Resolution (A/D) Range of deflection scale 2mV/div-5V/div (On BNC) coefficient (V/div) ±8div Range of position Analog bandwidth 300MHz 200MHz 100MHz Single bandwidth 100MHz Selectable analog bandwidth 20MHz limitation (Typical) Low frequency response ≦10Hz (on BNC)
Page 74 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Trigger Pulse width range 20ns-10s Video trigger Internal trigger ≤1div; ≤60mV Interior 2div Trigger sensitivity Trigger sensitivity EXT) EXT/5 ≤300mV 400mV (Typical) Interior ±8div away from screen center EXT/5 2.0V ±800mV Signal model Support standard NTSC and PAL, and the line EXT/5 ±4.0V...
Page 75 72-7615/72-7620/72-7625/72-7635/72-7640 user manual Probe compensator output Automatic Permit display of curse during Cursor measurement Output voltage (Typical) About 3Vp-p and load ≥1MΩ automatic measurement. mode Frequency (Typical) 1kHz Vmax, Vmin, Vtop, Vbase, Vmid, Vpp, Vamp, average, Interface function: Vrms, cycle average, cycle rms, area, cycle area,...
Page 76: Appendix B: Accessories
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Appendix B: Accessories Excluding package 2.9kg Weight Including package 5.0kg Standard accessories of 72-7615/72-7620/72-7625: Mechanical specifications 72-7635/72-7640 336mm ● It is equipped with two 1.2m 1.1 (10:1) passive probes. Size 117mm Please refer to instructions on probe accessories for 174mm 3.8kg...
Page 77: Appendix C: Maintenance And Cleaning Maintenance
72-7615/72-7620/72-7625/72-7635/72-7640 user manual Appendix C: Maintenance and Standard accessories of 72-7635/72-7640 ● It is equipped with two 1.2m 1.1 (10:1) passive probes. Cleaning Maintenance Please refer to instructions on probe accessories for details. Conforming to EN61010-031 standards. General maintenance ● When the switch is at 1× position, it belongs to Please do not store or place the instrument at any 150V CAT II.
Page 78: Appendix D: Factory Setting
Appendix D: Factory Setting Do not use any abrasive chemical cleaning agent to avoid damaging the instrument or probe. The Appendix introduces that setting on relevant Warnings: Please make sure that the instrument is options will change when you press the UTILITY button completely dry before powering on for use again to —factory setting.
Page 79 Trigger mode Automation Trigger system Slope type Ascending Displays types Format Vector Display Persistence Automation Waveform luminance Save type Setting Frequency meter Measurement All measurements cleared Cursor Contrast 50/100 Language Keep Interface style Classic Manual Menu display Grid luminance 32/32...

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