multicomp pro MP720021 Manual Download Page 131

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User Manual

126

User Interface

Touch to enter

CH1

（

Selected

（

Voltage division of CH

(Touch to select CH, touch

again to turn CH on/off.)

Touch to

stop/continue to

synchronize with
the oscilloscope.

Time Base &

Horizontal

Position

Horizontal Position

Pointer

CH2

Show/hide

(see below)

Trigger

Level

Share the image/wave file via
the installed sharing apps

Save into wave file
(bmp, png, bin, csv)

Exit APP

Submit feedback

Swipe from the left edge
of the screen to show the
trigger source menu

Trigger Source Menu

Summary of Contents for MP720021

Page 1: ...i Digital Storage Oscilloscope 100MHz Model MP720025...

Page 2: ...ction to the Vertical System 14 Introduction to the Horizontal System 16 Introduction to the Trigger System 16 Touchscreen Controls Touchscreen is optional 17 4 Advanced User Guidebook 23 How to Set t...

Page 3: ...et Signals 99 To Output Sine Signals 99 To Set the Frequency 99 To Set the Period 100 To Set the Start Phase 100 To Set the Amplitude 100 To Set the Offset 101 To Set the High Level 101 To Set the Low...

Page 4: ...withAndroidDeviceviaWi Fi Optional 122 How to Connect 122 Connect with APP as Wi Fi Access Point 122 Connect with APP as Wi Fi Station 124 User Interface 126 Gestures Control 128 9 Demonstration 130 E...

Page 5: ...v Appendix B General Care and Cleaning 147 Appendix C Battery Using Guide 148...

Page 6: ...minal When powered by AC power it is not allowed to measure AC power source directly because the testing ground and power cord ground conductor are connected together otherwise it will cause short cir...

Page 7: ...le potentially Caution It indicates a potential damage to the instrument or other property might occur Safety Symbols Symbols on the product The following symbol may appear on the product Hazardous Vo...

Page 8: ...ts Warning To avoid fire or electrical shock when the oscilloscope input signal connected is more than 42V peak 30Vrms or on circuits of more than 4800VA please take note of below items Only use acces...

Page 9: ...ow to implement the general inspection How to implement the function inspection How to make a probe compensation How to set the probe attenuation coefficient How to use the probe safely How to impleme...

Page 10: ...screen are menu selection buttons through which you can set the different options for the current menu The other buttons are function buttons through which you can enter different function menus or o...

Page 11: ...tional 8 LAN port the network port which can be used to connect with PC 9 USB Device port It is used to transfer data when external USB equipment connects to the oscilloscope regarded as slave device...

Page 12: ...control time base 5 Vertical control area with 5 buttons and 2 rotary controls CH1 CH4 buttons correspond to setting menu in CH1 CH4 Math button provides access to math waveform functions FFT user fu...

Page 13: ...veform continuously Stop Data acquisition stopped 4 Click to auto set only for touchscreen 5 The two blue dotted lines indicates the vertical position of cursor measurement 6 The pointer indicates the...

Page 14: ...e of the waveform s flat top value Vb the Voltage value of the waveform s flat base Va the amplitude value Os the overshoot value Ps the Preshoot value RT the rise time value FT the fall time value PW...

Page 15: ...nt according to the following steps 1 Check whether there is any damage caused by transportation If the packing boxes or foam cushions are found to have serious damage keep them in a safe place until...

Page 16: ...10X 2 Set the Switch in the Oscilloscope Probe as 10X and Connect the Oscilloscope with CH1 Channel Align the slot in the probe with the plug in the CH1 connector BNC and then tighten the probe with...

Page 17: ...utoset button on the front panel 2 Check the displayed waveforms and regulate the probe till a correct compensation is achieved see Figure 3 6 and Figure 3 7 Overcompensated Compensated correctly Unde...

Page 18: ...to 10X Identify the Probe Attenuation Coefficient Automatically The oscilloscope can identify the probe attenuation coefficient of the 100 1 impedance 5K 20 or 10 1 impedance 10K 20 probe with the id...

Page 19: ...e Utility button select Function in the bottom menu select Adjust in the left menu select Self Cal in the bottom menu run the program after everything is ready Introduction to the Vertical System As s...

Page 20: ...difference between the wave form and the signal ground If the channel is under the AC mode the DC component would be filtered out This mode helps you display the AC component of the signal with a high...

Page 21: ...eform window The Horizontal Position rotary control is used to control the triggering displacement of the signal or for other special applications If it is applied to triggering the displacement it ca...

Page 22: ...signal 3 Push the Force button to force a trigger signal which is mainly applied to the Normal and Single trigger modes Touchscreen Controls Touchscreen is optional If the LCD is touchscreen you can c...

Page 23: ...ut menu will be shown Click to enter the corresponding function menu Turn off the function Enter the function menu Next page Set the channel status Click the channel on the left bottom of the display...

Page 24: ...control the vertical position of the selected channel Control the horizontal position Control the vertical position of the selected channel Click the P icon to fine turn long press to adjust continuo...

Page 25: ...Control the trigger level of the source in the trigger menu Set the time base and the voltage division Click in the area as shown in the figure below the M and V icons will appear Click anywhere outs...

Page 26: ...ith Cursors Click nearby a cursor line as shown in the figure below the line will be selected and the C icon will appear Click anywhere outside the icon to hide it Note Swipe in this area you can make...

Page 27: ...User Manual 22 Control the vertical cursor line Switch to select the lines...

Page 28: ...This chapter will deal with the following topics mainly How to Set the Vertical System How to Set the Horizontal System How to Set the Trigger Decoding System How to Implement the Sampling Setup How t...

Page 29: ...ing DC AC GROUND Pass both AC and DC components of the input signal Block the DC component of the input signal Disconnect the input signal Inverted ON OFF Display inverted waveform Display original wa...

Page 30: ...Push the CH1 button to show CH1 SETUP menu 2 Select Probe in the bottom menu In the right menu set MeasCurr as YES the A V radio menu will appear below Select it turn the M rotary control to set the...

Page 31: ...l manipulation Factor2 CH1 CH2 CH3 CH4 Select the signal source of the factor2 Vertical div Turn the M rotary control to adjust the vertical position of the Math waveform Vertical V div Turn the M rot...

Page 32: ...than the current cutoff frequency upper can pass the filter window Retangular Tapered Triangular Hanning Hamming Blackman Select window for digital filter cut off fre or upper down Turn the M rotary...

Page 33: ...s low pass high pass band pass and band reject The specified frequencies can be filtered by setting the cut off frequency Digital filter can only apply to CH1 or CH2 1 Press the Math button to display...

Page 34: ...e M rotary control to select amplitude unit V RMS Decibels or phase unit Radian Degrees 6 Select Hori Hz in the right menu select repeatedly to make the symbol in front of the horizontal position valu...

Page 35: ...ecommend to use for Sine periodic and narrow band random noise Transients or bursts where the signal levels before and after the event are significantly different Kaiser The frequency resolution when...

Page 36: ...User Manual 31 Figure 4 1 Hamming window Figure 4 2 Rectangle window...

Page 37: ...User Manual 32 Figure 4 3 Blackman window Figure 4 4 Hanning window...

Page 38: ...User Manual 33 Figure 4 5 Kaiser window Figure 4 6 Bartlett window...

Page 39: ...and Scale Rotary controls The 4 channels use the same Vertical Position and Vertical Scale rotary controls If you want to set the vertical scale and vertical position of a channel press CH1 CH2 CH3 o...

Page 40: ...ust the horizontal scale of waveform Horizontal HOR key Switch between the normal mode and the waveform zooming mode When the magnifier is turned off the waveform is magnified in the horizontal direct...

Page 41: ...area horizontally and vertically so that the user can observe the waveform easily The steps to turn on and set the magnifier function are as follows 1 Press the Horizontal HOR key 2 Select Magnifier f...

Page 42: ...selection Horizontal zoom factor Vertical zoom factor Time base of Magnifier window Voltage division of Magnifier window Main Window Magnifier Window Wave selection Drag it to move Figure 4 9 Magnifie...

Page 43: ...id point values of the amplitude of the trigger signal Force Force to create a trigger signal and the function is mainly used in Normal and Single mode Trigger Menu The button that activates the trigg...

Page 44: ...eight trigger modes in Single Trigger are described respectively as follows 1 Edge Trigger An edge trigger occurs on trigger level value of the specified edge of input signal Select Edge trigger mode...

Page 45: ...SECAM standard video signals In Video Trigger mode the trigger setting information is displayed on bottom right of the screen for example indicates that trigger type is Video trigger source is CH1 an...

Page 46: ...rigger source Select CH3 as the trigger source Select CH4 as the trigger source Coupling AC DC Not allow DC portion to pass Allow all portion pass when Polarity Choose the polarity Select pulse width...

Page 47: ...When slope Slope selecting Set slope condition turn the M rotary control or click to set slope time press panel button or click to move cursor to choose which digit to be set Threshold SlewRate High...

Page 48: ...Runt Trigger Runt Trigger menu list MENU SETTING INSTRUCTION Single Mode Runt Set vertical channel trigger type as runt trigger Source CH1 CH2 CH3 CH4 Select CH1 as the trigger source Select CH2 as th...

Page 49: ...acquire one waveform then stop 100 ns 10 s adjust M rotary control or click to set time interval before another trigger occur press panel button or click to move cursor to choose which digit to be set...

Page 50: ...gers on the negative Windows pulse Enter Triggers when the trigger signal enters the specified trigger level range Exit Triggers when the trigger signal exits the specified trigger level range Time Sp...

Page 51: ...Select CH1 as the trigger source Select CH2 as the trigger source Select CH3 as the trigger source Select CH4 as the trigger source Edge Edge Start timing when the rising edge of the input signal pass...

Page 52: ...bottom right of the screen for example indicates that trigger type is Nth Edge trigger source is CH1 150V is up level or low level threshold Nth Edge Trigger Nth Edge Trigger menu list MENU SETTING I...

Page 53: ...then stop 100 ns 10 s adjust M rotary control or click to set time interval before another trigger occur press panel button or click move cursor to choose which digit to be set Set Holdoff time as 10...

Page 54: ...ime Is True Trigger when the time of true condition is lower than the set time Mode Holdoff Auto Normal Single Holdoff Reset Acquire waveform even no trigger occurred Acquire waveform when trigger occ...

Page 55: ...gs Error Trigger when error frame is detected After choosing this condition press Configure to enter detailed settings Chk Error Trigger when Chk Error is detected After choosing this condition press...

Page 56: ...lloscope can trigger on the start restart stop ack lost specific device address or data value also device address and data value at the same time In I2C bus trigger mode the trigger setting informatio...

Page 57: ...y control or click to set byte length Select the data bit ranges from 0 to byte length 8 1 Set data to be H L or X H or L Set all the data bits to be the specified value in Data Curr entB it Data All...

Page 58: ...racter string It can be set to any integer between 4 32 adjust M rotary control or click to set Data Bits Set the number of the data bits ranges from 0 31 adjust M rotary control or click to set Curre...

Page 59: ...ol or tap on in touchscreen to set the Sample point which is a point within a bit s time The oscilloscope samples the bit level at this point Sample point is represented by the percentage of the time...

Page 60: ...er occurred When trigger occurs acquire one waveform then stop Bus Decoding Optional 1 RS232 Decoding To decode RS232 signal 1 Connect the RS232 signal to the Signal Input Channel of the oscilloscope...

Page 61: ...ity set the even odd check mode to match the polarity used by the signal Display Format Binary Decimal Hex ASCII Set the display format of the bus EventTable ON OFF Select ON to display the event tabl...

Page 62: ...met two red error marks will be displayed in the corresponding position in the waveform I2C Decoding menu list MENU SETTING INSTRUCTION Bus Type I2C Set bus type of decoding as I2C Display Format Bin...

Page 63: ...ed as the reversed sequence 00010010 SPI Decoding menu list MENU SETTING INSTRUCTION Bus Type SPI Set bus type of decoding as SPI Configure SCLK Select the clock edge to match the signal sample the SD...

Page 64: ...the other will be changed synchronously Decoded information interpretation Information Abbreviation Background Identifier I ID or do not display Green Overload Frame OF Green Error Frame EF Green Dat...

Page 65: ...r the oscilloscope with A in the model name and Intrpl is shown in the bottom menu The description of the Acqu Mode menu is shown as follows Function Menu Setting Description Acqu Mode Sample Normal s...

Page 66: ...e x x interpolation x Use linear interpolation Interpolation method is a processing method to connect the sampled points using some points to calculate the whole appearance of the waveform Select the...

Page 67: ...nts in the display is filled with the vector form Persist Color Persist OFF 1 Second 2 Seconds 5 Seconds Infinity Set the persistence time Color ON OFF Turn on off the color temperature function XY Mo...

Page 68: ...or Persist Time the measuring points will be stored till the controlling value is changed Select OFF to turn off persistence and clear the display 5 Select Clear in the bottom menu to erase the result...

Page 69: ...control rotary controls are as follows The Horizontal Scale and the Horizontal Position rotary controls are used to set the horizontal scale and position The Vertical Scale and the Vertical Position...

Page 70: ...can save the waveforms configures screen images record or clone the waveform The description of the Save Function Menu is shown as the following table Function Menu Setting Description Type Wave Conf...

Page 71: ...nu in the right Format menu you can select the storage format Storage Internal External Save to internal storage or USB storage When External is selected save the waveform according to the current rec...

Page 72: ...ttom menu select Wave1 in the left menu In the right menu select Show as ON the waveform stored in the address will be shown the address number and relevant information will be displayed at the top le...

Page 73: ...d at the bottom of the screen 3 Select Type in the bottom menu select Image in the left menu 4 Select Save in the bottom menu an input keyboard used to edit the file name will pop up The default name...

Page 74: ...ed mark area choose Format And system will pop up a warning message click Yes Figure 4 14 Format the USB disk warning 5 Set File System as FAT32 Allocation unit size 4096 Check Perform a quick format...

Page 75: ...allocation unit size 4096 after formatting Use Minitool Partition Wizard to format Download URL http www partitionwizard com free partition manager html Tip There are many tools for the USB disk form...

Page 76: ...h keyboard F5 and information about the USB disk will display on the right side with red mark 1 and 2 Figure 4 17 Reload Disk 4 Right click 1 or 2 red mark area choose Format Figure 4 18 Choose format...

Page 77: ...lly Figure 4 22 Format successfully How to Record Playback Waveforms Push Save button Select Type in the bottom menu in the left menu turn the M rotary control to select Record Wave Record function ca...

Page 78: ...hing Operate Play Stop Begin to record Stop recording Note Both of the waveforms of Channel 1 and Channel 2 will be recorded If a Channel is turned off while recording the waveform of the channel is i...

Page 79: ...in the bottom menu select Playback in the right menu Set FrameSet and Playmode select Operate as Play 10 To save the wave recorded select Mode in the bottom menu select Storage in the right menu Selec...

Page 80: ...5 Select Mode in the bottom menu select Record in the right menu 6 Select FrameSet in the bottom menu set End frame and Interval in the right menu If you want to record wave to external infinitely se...

Page 81: ...available in your instrument you can output the stored waveform from a file in the internal memory or in a USB memory device and the waveform between two cursors can be output directly without save op...

Page 82: ...in the bottom menu and set the record length to a smaller value Clone When the generator is available Clone Clone the waveform between two cursors and output it through the built in generator Save Sav...

Page 83: ...t1 as CH1 in the right menu 5 Select Line in the bottom menu If a or b is selected turn the M rotary control to move the cursor If ab is selected turn the M rotary control to move the pair of cursors...

Page 84: ...e in the bottom menu turn the M rotary control to select Clone in the left menu 3 Select Source in the bottom menu select Mode as Out1 Out2 in the right menu 4 In the right menu select AG Output Out1...

Page 85: ...mment SAMP Sample rate 4 bytes float The unit is Sa s 7 ADCB Parameter name Meaning Value Comment ADCB ADC bit ADC resolution 4 bytes int 8 bit or 12 bit 8 CHAN Parameter name Meaning Value Comment CH...

Page 86: ...lect Adjust in the left menu Function Menu Setting Description Language Choose the display language of the operating system Set Time Display ON OFF On Off the date display Hour Min Setting Hour Minute...

Page 87: ...sults contain three circumstances Overflow compensation Good compensation Inadequate compensation According to the checking result users can adjust probe attenuation to the best Operation steps are as...

Page 88: ...in the right menu to create the rule 4 Set output type Select Output in the bottom menu to enter output option setting Choose any one or two of the options Pass Fail or Beep Pass and Fail are mutually...

Page 89: ...via Wi Fi Optional on page 122 for the operation steps Update Use the front panel USB port to update your instrument firmware using a USB memory device Refer to How to Update your Instrument Firmware...

Page 90: ...ure in the left menu select About in the bottom menu View the model and the currently installed firmware version 2 From a PC visit www owon com cn and check if the website offers a newer firmware vers...

Page 91: ...PulseCount RiseEdgeCnt FallEdgeCnt Area and Cycle Area The Automatic Measurements menu is described as the following table Function Menu Description Add Meas Type left menu Select the measure types S...

Page 92: ...elect CH1 in the Source menu item 5 In the right menu select Add The period type is added 6 In the left Type menu turn the M rotary control to select Frequency 7 In the right menu select CH1 in the So...

Page 93: ...re pulse waveforms Vamp Voltage between Vtop and Vbase of a waveform OverShoot Defined as Vmax Vtop Vamp useful for square and pulse waveforms PreShoot Defined as Vmin Vbase Vamp useful for square and...

Page 94: ...ls at the rising edge Delay A B The delay between the two channels at the falling edge Screen Duty Defines as the width of the positive pulse Entire period Phase A B Phase difference calculated accord...

Page 95: ...f the area of the whole period waveform Note When the waveform on the screen is less than a period the period area measured is 0 How to Measure with Cursors Push the Cursor button to turn cursors on a...

Page 96: ...yed along the vertical direction of the screen Cursor measure window at the left bottom of the screen shows the cursor readout 4 In the bottom menu select Line Type as Time to make the vertical cursor...

Page 97: ...able Function Menu Setting Description Type Vamp or Phase Display the Vamp or Phase measurement cursor and menu Freq Display the Freq measurement cursor and menu Freq Vamp or Freq Phase Display the co...

Page 98: ...cal direction of the screen Cursor measure window at the left bottom of the screen shows the cursor readout 5 In the bottom menu select Line Type as Freq to make the vertical cursors active If the Lin...

Page 99: ...e right menu select 4 In the bottom menu Select Wave In the right menu select Then the wave is displayed in the screen shown as Figure 4 29 Figure 4 29 Autoscale Horizontal Vertical multi period wavef...

Page 100: ...r just turn the M rotary control to choose 3 Press OK to view the details about the topic or just push the M rotary control 4 Press Quit to exit the help or just do other operations How to Use Executi...

Page 101: ...on and running the Autoset button is invalid Judge waveform type by Autoset Five kinds of types Sine Square video signal DC level Unknown signal Menu as follow Sine Multi period Single period FFT Canc...

Page 102: ...py You can save the waveform by just pushing the Copy panel button in any user interface The source wave and the storage location are according to the settings of the Save function menu when the Type...

Page 103: ...ect AG Output Single channel Connect the BNC cable to the port marked Out in the back of the oscilloscope Dual channel Connect the BNC cable to the port marked Out 1or Out 2 in the back of the oscillo...

Page 104: ...litude Lock Select Ampl Lock in the bottom menu as On the amplitude of the two channels can be adjusted synchronously Align Phase Select Align Phase in the bottom menu to align the initial phase of tw...

Page 105: ...y Units Clear OK Use the touchscreen Touchscreen is optional Click to increase the value of cursor position Move the cursor Click to decrease the value of cursor position To Set the Period Select Peri...

Page 106: ...To Output Sine Signals on page 99 To Output Ramp Signals The parameters of Ramp waveform are Frequency Period Start Phase Amplitude High Level Offset Low Level Symmetry To set the Frequency Period St...

Page 107: ...the input keyboard push the M rotary control to show it to input the value and choose the unit X1 X1000 Xle6 Xle9 in the keyboard respectively represent 1 1000 1000000 1000000000 The waveform points...

Page 108: ...ile name choose in the keyboard to confirm The waveform is saved as BIN file in the folder Note The input length can have up to 35 characters Confirm Clear Switch the case Switch to symbol keyboard Fi...

Page 109: ...output DC Built in Waveform Table Name Explanation Common StairD Stair down waveform StairU Stair up waveform StairUD Stair up and stair down waveform Trapezia Trapezoid waveform RoundHalf RoundHalf w...

Page 110: ...quency Response Analysis FRA feature controls the built in waveform generator to sweep a sine wave across a range of frequencies while measuring the input to and output from a device under test At eac...

Page 111: ...ultipurpose rotary control to set waveform generator amplitude Check to enable fine tuning Note The amplitude range is 2 mVpp to 6 Vpp Chart Gain Scale Adjust scale of gain plot range from 5dB to 500d...

Page 112: ...he multimeter function The button backlight will be lighted when the multimeter function is enabled Figure 6 2 Multimeter Button The bottom menu of multimeter is as below Menu Setting Description Curr...

Page 113: ...timeter Information Window is displayed on the top right of the screen 4 9 1 2 8 5 3 6 7 Figure 6 3 Multimeter Information Window Description 1 Manual Auto range indicators MANUAL refers to the measur...

Page 114: ...ltage capacitors Remove the test leads and restore the circuit to the original condition To measure a AC or DC current which is 400 mA to 10 A do the following 1 Push DMM button on the front panel Sel...

Page 115: ...cathode of a diode is indicated with a band Read the diode forward bias Testing for Continuity 1 Push DMM button on the front panel Select in the bottom menu select it until switching to 2 Connect the...

Page 116: ...n Display Show hide the information window on the top right of the display 1 Select Configure in the bottom menu select Show Info in the right menu as ON The information window will be shown on the di...

Page 117: ...s will be shown on the screen The record file will be named as Multimeter_Recorder csv If a file with the same name already exists in the USB memory device it will be overwritten If you want to keep t...

Page 118: ...location in advance Select Export in the bottom menu to export How to chart the data You can open the CSV file using Microsoft Excel or your favorite spreadsheet application and create charts based o...

Page 119: ...to choose from Using USB Port 1 Connection Use a USB data cable to connect the USB Device port in the right panel of the Oscilloscope to the USB port of a PC 2 Install the driver Run the Oscilloscope...

Page 120: ...e set the IP address to 192 168 1 71 Figure 7 2 Set the network parameters of the computer 3 Set the network parameters of the Oscilloscope Software Run the software on the computer choose the Ports s...

Page 121: ...et to update the config After resetting the oscilloscope if you can get data normally in the oscilloscope software the connection is successful Figure 7 4 Set the network parameters of the oscilloscop...

Page 122: ...omputer choose the Ports settings of the Communications menu item Set Connect using to LAN About the IP the first three bytes is same as the IP in the step 2 the last byte should be different Here we...

Page 123: ...should support Wi Fi 1 Set the oscilloscope In the oscilloscope push the Utility button Select Function in the bottom menu Select LAN Set in the left menu In the bottom menu set the Type item as WIFI...

Page 124: ...software on the computer choose the Ports settings of the Communications menu item Set Connect using to LAN Set IP and Port to the same value in the oscilloscope in the step 4 If you can get data nor...

Page 125: ...the right menu select Password use the keyboard to input the Wi Fi hotspot password 4 In the right menu select IP PORT Turn the M rotary control to set the PORT Here we set it to 3000 5 After setting...

Page 126: ...oscope Software Run the software on the computer choose the Ports settings of the Communications menu item Set Connect using to LAN Set IP and Port to the same value in the oscilloscope If you can get...

Page 127: ...he device Note The help content below may be not completely consistent with the application software only for reference Visit www owon com cn to get the latest version of this user manual How to Conne...

Page 128: ...the right menu select IP PORT IP is fixed by the oscilloscope and can not be edited Turn the M rotary control to set the PORT 5 After setting select ON in the Status menu The icon appears on the top...

Page 129: ...a keyboard will pop up Input the name of the Wi Fi hotspot You can turn and push the M rotary control or touch the keyboard if the LCD is touchscreen 3 In the right menu select Encryption push to set...

Page 130: ...the Wi Fi settings select the oscilloscope access point to connect enter the set password 8 In Android device launch the application 9 Click connect on the left 10 Set IP and Port to the same value a...

Page 131: ...chronize with the oscilloscope Time Base Horizontal Position Horizontal Position Pointer CH2 Show hide menu see below Trigger Level Share the image wave file via the installed sharing apps Save into w...

Page 132: ...erator Touch to autoset Turn on off output of selected channel Select channel Select waveform Set the parameters of current waveform Control Interface of the Generator The points will be connected wit...

Page 133: ...Measurement The cursor line can be dragged Check to measure voltage APP Information Setting Menu Gestures Control Control the vertical position of the selected channel Show the vertical position when...

Page 134: ...User Manual 129 Control the horizontal position Pinch and spread vertically to change the voltage division of current channel Pinch and spread horizontally to change the time base...

Page 135: ...u can further regulate the vertical and horizontal divisions till the waveform meets your requirement 2 Perform Automatic Measurement The oscilloscope can measure most of the displayed signals automat...

Page 136: ...nnel to the output end Operation Steps 1 Push the Autoset button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state 2 Push the Measure butto...

Page 137: ...to find out the closest trigger level and trigger type this helps user to make few small adjustments to achieve a proper trigger level and mode Here is how we achieve this The operation steps are as...

Page 138: ...itude set the trigger level to a slightly higher value of the average signal level push the Run Stop button and wait a trigger Once there is a burr occurring the instrument will trigger automatically...

Page 139: ...itself the important thing is to reduce the noise level as lower as possible this would enable user to have more details about the signal The Average function offered by our Oscilloscope can help you...

Page 140: ...1 Set the probe menu attenuation coefficient for 10X and that of the switch in the probe for 10X see How to Set the Probe Attenuation Coefficient on P12 2 Connect the probe of channel 1 to the input...

Page 141: ...finitions of A B C and D are shown as the graph above As a result the phase difference angle can be obtained namely q arcsin A B or arcsin C D If the principal axis of the ellipse is in the I and III...

Page 142: ...e trigger menu 2 Select the first menu item in the bottom menu Select Single in the right menu 3 In the left menu select Video as the mode 4 Select Source in the bottom menu Select CH1 in the right me...

Page 143: ...ient for the input channel and the attenuation ration of the probe to make sure they are match see How to Set the Probe Attenuation Coefficient on P12 4 There is a waveform displayed but it is not sta...

Page 144: ...User Manual 139 7 Persist on P63 It s normal as the Oscilloscope is working hard on many more data points...

Page 145: ...Typical Oscilloscope Performance Characteristics Instruction Bandwidth MP720025 MP720021 100 MHz Vertical Resolution A D MP720025 8 bits MP720021 8 bits Channel 4 Waveform Capture Rate MP720025 45 00...

Page 146: ...05 Sa s 1 GSa s Interpolation Sinx x x Max Record length When four channels are turned on the max record length is 10M and max 20M for two channels max 40M for one channel Scanning speed S div MP72002...

Page 147: ...rsor Automatic Period Frequency Mean PK PK RMS Max Min Top Base Amplitude Overshoot Preshoot Rise Time Fall Time Pulse Width Pulse Width Duty Cycle Duty Cycle Delay A B Delay A B Cycle RMS Cursor RMS...

Page 148: ...vel Accuracy typical Internal 0 3 div Trigger displacement According to Record length and time base Trigger Holdoff range 100 ns 10 s 50 level setting typical Input signal frequency 50 Hz Edge trigger...

Page 149: ...dress Range 0 to 127 0 to 255 0 to 1023 Byte Length 1 to 5 SPI Trigger Trigger Condition Timeout Timeout Value 30 ns to 10 s Data Bits 4 bit to 32 bit Data Line Setting H L X CAN Trigger optional Sign...

Page 150: ...tion Full scale reading 3 digits Max 4000 count Diode 0 V 1 V Input impedance 10 M On Off measurement 50 30 beeping Capacitance 51 2nF 100uF 3 3 digit Voltage DCV 400mV 4V 40V 400V 1000V 1 1digit Max...

Page 151: ...ACRMS 50 60 Hz CAT Power Consumption MP720025 15 W MP720021 24 W Fuse 2 A T class 250 V Battery optional 3 7V 13200mAh The battery can last approximately 2 to 4 hours differ in models after a full rec...

Page 152: ...Appendix Appendix A Enclosure The accessories subject to final delivery Standard Accessories Power Cord CD Rom Quick Guide USB Cable Probe Probe Adjust Options Multimeter Lead Q9 Capacitance Ext Modul...

Page 153: ...exterior perform the following steps 1 Please wipe the dust from the instrument and probe surface with a soft cloth When cleaning the LCD do not scratch the transparent LCD protective screen 2 Wipe t...

Page 154: ...um Battery Unit It is usually not required to replace the battery unit But when it is required to replace it only qualified personnel can carry out this operation and only use the same specification l...

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