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OWON 

  Handheld DSO & DMM                                                          6-Using the Multimeter 

 

figure 22: Diode Measurement 

6.4.3 On-off Test 

To perform an On-off test, do the following: 

1. Press 

the 

R

 key and 

R

 appears on the top of the screen. 

2. Press 

the 

AUTO SET

 key till the following is shown on the screen. 

 

3. 

Insert the black lead into the 

COM

 banana jack input and the red lead into the 

V/

Ω

 banana 

jack input. 

4. 

Connect the red and black leads to the test point. If the resistance value of the tested point is 
less than 50

Ω

, you will hear beep sound from the test tool. 

Now, you can see a screen that looks like the following figure 23. 

  

28

Содержание Lilliput HDS2062M

Страница 1: ...OWON HDS2062M Handheld Digital Storage Oscilloscope Multimeter User s Manual WWW OWON COM CN LIMITED WARRANTY LIMITATON OF LIABILITY 1 ...

Страница 2: ...ter within the warranty period To obtain warranty service contact your nearest Owon authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Owon authorized service center Owon assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destina...

Страница 3: ... throughout the Manual 2 2 1 2 Terms Used on the Product 2 2 1 3 Symbols Used on the Product 2 2 2 General Safety Information 3 3 PERFORMING THE GENERAL INSPECTION 5 3 1 Performing the General Inspection 5 3 3 1 Check whether There is any Damage on it Due to Transportation 5 3 3 2 Make a Check on Accessories 5 3 3 3 Make a Check on the Complete Instrument 5 4 INPUT CONNECTIONS 6 4 1 Input Connecti...

Страница 4: ... 5 6 Resetting the Oscilloscope 15 5 7 Input Connections 16 5 8 Displaying an Unknown Signal with Auto Set 16 5 9 Automatic Zero returning of Trigger Horizontal Position and Trigger Level Position 17 5 10 Automatic Measurements 17 5 11 Freezing the Screen 18 5 12 Using Average for Smoothing Waveforms 19 5 13 Using Persistence to Display Waveforms 19 5 14 Using Peak Detection to Display Glitches 20...

Страница 5: ...Resistance Values 27 6 4 2 Making a Diode Measurement 27 6 4 3 On off Test 28 6 4 4 Making a Capacitance Measurement 29 6 4 5 Making a DC Voltage Measurement 30 6 4 6 Making a AC Voltage Measurement 31 6 4 7 Making a DC Current Measurement 32 6 4 8 Making an AC Current Measurement 34 6 5 Freezing the Readings 36 6 6 Taking a Relative Measurement 37 6 7 Selecting Automatic ManualRange Adjustment 37...

Страница 6: ...ting the Trigger System ４３ 7 5 Triggering Control ４４ 7 5 1 Edge Triggering ４４ 7 5 2 Video Triggering ４５ 7 6 Acquiring Mode Setting ４７ 7 7 Display Setting ４７ 7 7 1 Display Style ４７ 7 7 2 Persistence ４８ 7 7 3 XY Mode ４８ 7 8 Waveform Saving Setups ４９ 7 9 Function Setting Menu ５０ 7 10 Making Automatic Measurements ５１ 7 11 Setting the Cursor Measurements ５２ 7 12 System State Menu ５４ 7 13 Setting of Tim...

Страница 7: ...ENDIX 60 9 1 Appendix a Specifications 60 9 1 1 Oscilloscope 60 9 1 2 Meter 62 9 1 3 General Specifications 63 9 2 Appendix B Maintenance and Cleaning 64 9 2 1 Common Maintenance 64 9 2 2 Storage of Oscilloscope 65 9 2 3 Replacing the Lithium Battery Unit 65 5 ...

Страница 8: ...ent Control and Laboratory use part 1 General Requirements EN61326 1997 A1 1998 A2 2001 A3 2003 Electrical Equipment for Measurement Control and Laboratory use EMC Requirements part 1 General Repuirements EN61000 3 2 2000 A2 2005 Electromagnetic Compatibility EMC part 3 Limits Section 2 Limits for Harmonic Current Emissions Equipment Input Current less than equal to 16A per phase EN61000 3 3 1995 ...

Страница 9: ... grey 4 a pair of Test Lesds of Multimeter black and red 5 a Measuring Extension Module for Small Current 6 a Measuring Module for Small Capacitance 7 a Adjustment Tool of Oscilloscope Probe 8 a piece of Serial port Data Transmission Line 9 a User s Manual 10 an Operational Optical Disk include the trannsmission software between oscilloscpe and pc 11 a Hard Carring Case 12 a Soft Carring Case figu...

Страница 10: ...erms Used on the Product The following terms appears possibly on the product Danger The term Danger is used in this manual to indicate that when you read this mark personal injury may be caused to you immediately Warning The term Warning is used in this manual to indicate that when you read this mark personal injury may not be caused to you immediately but you need to be cautionary Notice The term...

Страница 11: ...ged Remove all probes test leads and accessories that are not in use Always connect the power adapter first to the AC outlet before connecting it to the Oscilloscope Multimeter Do not apply voltages that differ more than 400 V from earth ground to any input when measuring in a CAT Ⅲ environment Do not apply voltages that differ more than 400 V from earth ground to any input when measuring in a CAT...

Страница 12: ...ct carefully read the user s manual of the product for further information of nominal values No operation is allowed without the instrument cover plate If the cover plate or panel has been removed do not perform any operation on this product No touch is allowed on bare conductors When the product is powered on do not touch any bare joints or parts of the scope meter Operation is prohibited in case...

Страница 13: ...e accessory list has been described in the picture of Digital Oscilloscope Parts of this manual You can make a check and find whether there is any accessory loss with reference to the Appendix In case of any accessory loss or damage consult the OWON dealer responsible for such a business or the local office of OWON 3 3 3 Make a Check on the Complete Instrument If the instrument is damaged in its a...

Страница 14: ...he power adapter is supplied for AC power supply and battery recharging 2 Multimeter test lead 3 Multimeter input jacks including three circular banana jacks and tow square jacks The three circular jacks are used for voltage current and resistance inputs while the two square jacks are used for capacitance inputs 4 Oscilloscope probes 6 ...

Страница 15: ...tions 5 Oscilloscope channel inputs the upper one is for Channel 1 CHI1 while the lower one is for Channel 2 CH2 4 2 Description for Front Panel and Keys See the following figure 3 figure 3 Description 1 Power adapter jack 2 Serial port 7 ...

Страница 16: ...aveform Calculation the users can also adjust and calculate the Display Multiplying Factor of waveform CHM VOL and the vertical display position CHM ZERO z In cursor measurement mode the users can adjust the positions of Cursor 1 V1 or T1 and Cursor 2 V2 or T2 12 OSC DOWN Oscilloscope display downward adjustment key 13 OSC UP Oscilloscope display upward adjustment key 14 OSC DMM Operation mode swi...

Страница 17: ... adapter as shown in Figure 1 The oscilloscope may still work with built in Li ion battery even without AC power supply Turn the oscilloscope on by pressing down the power on off key POW The instrument then performs Selfchecking after power on A greeting window and a sentence press any key to continue will display on the screen when the system finishes selfchecking The users can press any key to e...

Страница 18: ...cilloscope can gather and display the waveform data continuously in scanning mode Stop The oscilloscope has stopped collecting the waveform data 7 The green pointer shows the trigger voltage level 8 A hidden style menu With the MENU key pressed you can view or hide the menu 9 Menu setting options There are different setting options for different menus 10 It reads the value of trigger voltage level...

Страница 19: ...s on the bottom Press MENU again will hide the Function Menu 2 Press the MENU UP or MENU DOWN key to select different function menus 3 Choose one key from F1 to F5 and press it to change function setting See the following figure 5 figure 5 the Tool s Menus 5 5 Manually Setting the Vertical System Horizontal System and Trigger Position With the combination application of the four keys OSC LEFT OSC ...

Страница 20: ... below LEFT RIGHT Time Base UP DOWN CH1 Vol See the following figure 6 figure 6 Voltage Unit Scale of Channel 1 2 Press the key OSC UP or OSC DOWN to adjust the vertical scale of Channel 1 and press OSC LIFT or OSC RIGHT to adjust the horizontal time scale 3 Press OSC OPTION once again the following display is visible at bottom left side of the screen as shown in the following figure LEFT RIGHT Ti...

Страница 21: ... OSC RIGHT key to adjust the horizontal time scale 5 Press the OSC OPTION key one more time and the following display is visible at the bottom left side of the screen shown as the following figure LEFT RIGHT Time UP DOWN CH1 Zero See the following figure 8 figure 8 Zero Point Position of Channel 1 6 Press OSC UP or OSC DOWN key to adjust the zero position of Channel 1 in vertical 13 ...

Страница 22: ...RIGHT Time UP DOWN CH2 Zero See the following figure 9 figure 9 Zero Point Position of Channel 2 8 Press the OSC UP or OSC DOWN key to adjust the zero position of Channel 2 in the vertical direction and press OSC LIFT or OSC RIGHT key to adjust the horizontal position 9 Press OSC OPTION key once more and the following appears at the bottom left of the screen shown as the following figure LEFT RIGH...

Страница 23: ...atum point through the adjustment of which you can regulate the display position of the waveform on the screen z Primary time base It means the time values represented by a division in the horizontal direction of the display area z Trigger horizontal position It means the time deviation between the actual trigger point and the screen central line which will be displayed as 0 at the center point of...

Страница 24: ...uadratic jack inputs for Multimeter capacitance measurements Isolated input allows independent floating measurements between Multimeters and Scopes 5 8 Displaying an Unknown Signal with Auto Set The Auto Set feature lets the Oscilloscope display and measure unknown signals automatically This function optimizes the position range time base and triggering and assures a stable display of virtually an...

Страница 25: ...These readings are selectable independently and the measurements can be done on the input CH1 or input CH2 waveform To choose a frequency for CHI1 do the following 1 Press MENU key and the function menu appears on the right side of the screen 2 Press MENU UP or MENU DOWN key to select measurement 1 Five items selectable are visible at the bottom of the screen 3 Press F1 key and select Freq CH1 fro...

Страница 26: ...eezing the Screen You can freeze the screen all readings and waveforms 1 Press the RUN STOP key to freeze the screen and STOP appears at top right side of the screen 2 Press the RUN STOP key once more to resume your measurement See the following figure 13 figure 13 Freezing the Screen 18 ...

Страница 27: ... the screen shown as the following figures See the following figure 14 figure 14 Average Factor Sampling Mode 5 13 Using Persistence to Display Waveforms You can use Persistence to observe dynamic signals 1 Press MENU key and the function menu appears on the right side of the screen 2 Press MENU UP or MENU DOWN key to select DISP SET Four items selectable are displayed at the bottom of the screen ...

Страница 28: ...other asynchronous waveforms of 50 ns or wider 1 Press MENU key and the function menu appears at the right side of the screen 2 Press MENU UP or MENU DOWN key to select the ACQU MODE Four items selectable are displayed at the bottom of the screen 3 Press F3 key and jump to Glitch Detect In this case you can test the glitch Now you can see a screen that looks like the following figure 16 20 ...

Страница 29: ...s in each sampling interval and shows the waveform with the sampled data in this mode thus by which the oscilloscope may collect the possibly lost narrow pulse in the sampling mode but the noise is obvious Averaging values the oscilloscope collects several waveforms and average over them and displays the averaged waveform in this mode by which the random noise can be reduced Duration time When a n...

Страница 30: ... of the screen 3 Press the F1 key and jump to AC The bottom left side of the screen displays the ac coupling icon Now you can see a screen that looks like the following figure 17 figure 17 AC Coupling 5 16 Reversing the Polarity of the Displayed Waveform To invert the input CH1 waveform do the following 1 Press the MENU key and the function menu appears at the right side of the screen 2 Press the ...

Страница 31: ...on menu is displayed at the right side of the screen 2 Press the MENU UP or MENU DOWN key to select the Waveform Calculation Five items selectable appears at the bottom of the screen 3 Press F3 key to select CH1 CH2 and the calculated waveform M green appears on the screen Again press the F3 key to close Waveform Calculation 4 In this case press the OSC OPTION key and the following is visible at t...

Страница 32: ...O DMM 5 Using the Scope Press the OSC UP or OSC DOWN key to adjust the displayed amplitude of the calculated waveform M Now you can see a screen that looks like the following figure 19 figure 19 Waveform Mathematics 24 ...

Страница 33: ... show how to use the menus and perform basic operations 6 2 Making Meter Connections Use the three 4 mm safety banana jack inputs for the Meter functions COM V Ω mA Two quadratic capacitance jacks CX See figure 2 for the connections 6 3 Multimeter Operation Window figure 20 Multimeter Operation Window Description 1 Battery electric quantity indictor 2 Manual Auto range indictors among which the MA...

Страница 34: ...g power of the dial indication To multiply the reading of dial pointer by multiplying power will get the measurement result 8 The mail reading of measurement 9 Automatic control measuring range 10 Absolute relative magnitude measuring control The sign expresses the absolute magnitude measuring control and represents the relative magnitude measuring control Manually measuring range control 11 Manua...

Страница 35: ...m Now you can see a screen that looks like the following figure 21 figure 21 Resistance Measurement 6 4 2 Making a Diode Measurement To make a measurement on the diode do the following 1 Press the R key and R appears at the top of the screen 2 Press AUTO SET key till the following is displayed on the screen 3 Insert the black lead into the COM banana jack input and the red lead into the V Ω banana...

Страница 36: ... Press the AUTO SET key till the following is shown on the screen 3 Insert the black lead into the COM banana jack input and the red lead into the V Ω banana jack input 4 Connect the red and black leads to the test point If the resistance value of the tested point is less than 50Ω you will hear beep sound from the test tool Now you can see a screen that looks like the following figure 23 28 ...

Страница 37: ...the top of the screen 3 Insert the measured capacitance into the quadratic jack and the screen shows the capacitance reading Notice when measured value is less than 5 nF capacitance please use small capacitance measurer of this multimeter and use relative value measuring mode to improve measuring precision It will take about 30seconds if capacitance measurement is large than 40uF Now you can see a...

Страница 38: ...wing 1 Press the V key and DCV appears at the top of the screen 2 Insert the black lead into the COM banana jack input and the red lead into the V Ω banana jack input 3 Connect the red and black leads to the measured point and the measured point voltage value is displayed on the screen Now you can see a screen that looks like the following figure 25 30 ...

Страница 39: ...op of the screen 2 Press the AUTO SET key and ACV appears at the top of the screen 3 Insert the black lead into the COM banana jack input and the red lead into the V Ω banana jack input 4 Connect the red and black leads to the measured points and the AC voltage values of measured points will be displayed on the screen Look at the display you can see a screen that looks like the following figure 26...

Страница 40: ...g screen is mA mA and 20A will display on the right bottom of screen press F4 or F5 to switch the measurement between Ma and 20A 400mA is acquiescently 2 Insert the black lead into the COM banana jack input and the red lead into the mA banana jack input 3 Connect the red and black leads to the measured points and the DC current values of measured points will be displayed on the screen Look at the ...

Страница 41: ...ding screen is mA 2 Press F5 key change to 20A measurement the unit on the main reading screen is A 3 Plug current extended module in current measure jack then plug the probe in the module 4 Connect the red and black leads to the measured point and the DC current value of the measured point will be displayed on the screen 5 Press F4 return to 400 mA measure Look at the display you can see a screen...

Страница 42: ...splay on the right bottom of screen press F4 or F5 to switch the measurement between mA and 20A 400mA is acquiescently 2 Press the AUTO SET key once and ACA is visible at the top of the screen 3 Insert the black lead into the COM banana jack input and the red lead into the mA banana jack input 4 Connect the red and black leads to the measured point and the AC current value of the measured point wi...

Страница 43: ...easure the unit of main reading window is A 3 Press the AUTO SET key once and ACA is visible at the top of the screen 4 Plug current extended module in current measure jack then plug the probe in the module 5 Connect the red and black leads to the measured point and the AC current value of the measured point will be displayed on the screen 6 Press F4 return to 400mA measure Look at the display you...

Страница 44: ...reeze the displayed readings at any time 1 Press the RUN STOP key to freeze the screen and STOP will be displayed at the top right of the screen 2 Again press the RUN STOP key you can resume your measurement Look at the display you can see a screen that looks like the following figure 31 figure 31 Freezing the Readings 36 ...

Страница 45: ...d below 5 Plug capacitance the displayed major reading on the screen is actual the capacitance value Look at the display you can see a screen that looks like the following figure 32 figure 32 Relative Measurement 6 7 Selecting Automatic ManualRange Adjustment The defaulted range mode of the instrument is automatic range To switch to the manual range perform the following steps 1 Press F1 key and M...

Страница 46: ...isplayed on the top left side of the screen to switch back to the automatic range mode Look at the display you can see a screen that looks like the following figure 33 figure 33 Automatic Manual Range Adjustment Attention capacitance measurement without manual range mode 38 ...

Страница 47: ...ach item can be set respectively based on the specific channel To make vertical CH1 and CH2 settings do the following 1 Press the MENU key and the function menu appears at the right of the screen 2 Press the MUNU UP or MENU DOWN key to jump to CH1 Setting and 4 options appears at the bottom of the screen 3 Select and press key from F1 through F4 keys to make different settings Now you can find a s...

Страница 48: ... correct vertical scale reading Invert Close Open Waveform is displayed normally Open the Invert function of the waveform setting 7 2 1 Setting the Channel Coupling With CH1 taken for example the measured signal is a sine wave signal containing a dc offset Press F1 Coupling first and then AC to make an ac coupling setting The dc component contained in the tested signal is blocked Press F1 Coupling...

Страница 49: ...n the channel operation menu in order to comply with the probe attenuation scale If it is a 10 1 probe the scale of the input channel of the oscilloscope should be selected as 10X to avoid any error occurring in the displayed scale factor information and tested data Press F3 Probe to jump to the relative probe Table Probe attenuation factor and the corresponding menu setting Probe attenuation fact...

Страница 50: ...orm CH2 CH1 CH1 waveform minus CH2 waveform CH1 CH2 Add CH1 waveform into CH2 waveform CH1 CH2 Multiply CH1 waveform and CH2 waveform CH1 CH2 Divide CH1 waveform by CH2 waveform To perform the CH1 CH2 waveform calculation do the following 1 Press the MENU key and the function menu appears at the right of the screen 2 Press the MUNU UP or MENU DOWN key to select MATH and 5 options are displayed at ...

Страница 51: ...continuously After a trigger is detected the oscilloscope gathers enough data continuously to draw the waveform at the right side of the triggering point To make a trigger mode setting do the following 1 Press the MENU key and the function menu appears at the right of the screen 2 Press the MUNU UP or MENU DOWN key to select TRIG MODE and five items selectable are displayed at the bottom of the sc...

Страница 52: ...y 7 5 1 Edge Triggering The Edge triggering is a mode by which trigger occurs at the triggering threshold value of the input signal edge With the Edge triggering selected the trigger happens on the rise or fall edge of the input signal shown as the following figure The Edge triggering menu is described in the following table Function menu Settings Description Slope Rise Fall Triggering on the rise...

Страница 53: ...ent is prevented from passing though All dc components are allowed The HF part of the signal is prohibited and only the HF component is allowed The LF part of the signal is prohibited and only the LF component is allowed 7 5 2 Video Triggering With Video triggering selected the oscilloscope performs the NTSC PAL or SECAM standard video signals field or line trigger Now you can see a screen that lo...

Страница 54: ... are three kinds of trigger modes available for this oscilloscope that is auto normal and single shot Automatic trigger mode The oscilloscope can acquire the waveform without any triggering condition detected in this mode in which it will be triggered compulsively when waiting for a specified period of time without any triggering condition ignited When an invalid trigger is enforced the oscillosco...

Страница 55: ...ting menu is described in the following table Function menu Settings Description Type Vector Dot The vector is filled up spaces between neighboring sampling points in the display Only sampling points are displayed Persistence Close 1s 2s 5s Infinite Setting persistence time for each sampling point Display format YT XY Display the relative relationship between vertical voltage and horizontal time D...

Страница 56: ...ction selected the displayed saved original data gradually decay in color and the new data are bright in color with infinite persistence mode selected the recorded points will be kept on the screen till the controlled value is changed 7 7 3 XY Mode This mode is only applicable to CH1 and CH2 With the XY mode selected CH1 is displayed on ４８ ...

Страница 57: ...rm The recalled waveform saved in the memory cannot be adjusted The waveform saving recalling menu is described in the following list Function menu Setups Description Signal source CH1 CH2 MATH Select the displayed waveform which you want to save Address A B C and D Select the address for saving or recalling a waveform Saving Store the waveform of a selected signal source into the selected address...

Страница 58: ...setting Resume the instrument to its factory settings Self correcting Perform the self correcting procedure LANGUAGE CHINESE ENGLISH Select the display language of the operation system Self correcting The self correcting program can improve the accuracy of the oscilloscope under the ambient temperature to the maximum If the ambient temperature variation is equal to or larger than 5 Celsius degrees...

Страница 59: ...k to peak value of CH2 RMS value CH1 CH2 Measure root mean square RMS value of CH1 Measure root mean square RMS value of CH2 To measure the frequency of CH1 with Measurement 1 and the frequency of CH2 with Measurement 2 do the following 1 Press the MENU key and the function menu is shown at the right of the screen 2 Press the MUNU UP or MENU DOWN key to select Measurement 1 Five options appear at ...

Страница 60: ...ement cursor and menu Signal sources CH1 CH2 ATH address A and address B Select the waveform channel on which the cursor measurement will be performed To make a voltage measurement on CH1 doing the following 1 Press the MENU key and the function menus are displayed at the right of the screen 2 Press the MUNU UP or MENU DOWN key to select Cursor Measurement Two options are shown at the bottom of th...

Страница 61: ...yed at the right of the screen 2 Press the MUNU UP or MENU DOWN key to select Cursor measurement key Two key labels selectable are shown at the bottom of the screen 3 Press the F1 key to the measurement type Time Two vertical dashed lines T1 and T2 appear on the screen 4 Press the F2 key and jump to the measured channel CH1 5 Press and hold the OSC OPTION key till the UP DOWN CURSOR T1 appears on ...

Страница 62: ...present horizontal system vertical system trigger system and others The operation steps are shown as below 1 Press the MENU key and the function menu is displayed at the right of the screen 2 Press the MUNU UP or MENU DOWN key to select the System State Four options appear at the bottom of the screen 3 Sequentially press key F1 through F4 key and the corresponding state information will be shown o...

Страница 63: ...of the screen 2 Press MENU UP or MENU DOWN key to select time base mode display three options at the bottom 3 Press F2 key to select window setting 4 Press OSC OPTION key pop up TIME BASE at this time then press OSC LEFT and OSC RIGHT key to adjust the time base window area defined by two cursors the window size will vary 5 Press OSC OPTION key and call TIME at this time press OSC LEFT and OSC RIG...

Страница 64: ...f data transmission please execute the following steps 1 Press MENU key display the function menu on the right side of the screen 2 Press MENU UP or MENU DOWN key to select display setting mode display four options at the bottom 3 Press F4 key select the Bitmap or Vectors for data transmission 4 Use a data line to connect the oscolliscope and the PC ５６ ...

Страница 65: ...OWON Handheld DSO DMM 7 Advanced Function of Oscilloscope 5 Open the OWON software that had been installed completely 6 Setting the parameter under the use s manual then start data transmission 57 ...

Страница 66: ...ltage amplitude value is 10 times larger or smaller than the actual one under the oscilloscope mode Check whether the channel attenuation factor matches the actual probe error ratio 5 The waveform is displayed on the screen but is not stable under the oscilloscope mode z Check whether the signal item in the trigger mode menu matches the actually used signal channel z Check on the trigger mode The ...

Страница 67: ...OWON Handheld DSO DMM 8 Trouble Shooting display time in the display mode under the oscilloscope the display speed is slow It is normal in the above case 59 ...

Страница 68: ...e system function menu must be opened to make the system perform a self calibration procedure Except those specifications marked with the word Typical all specifications can be up to Sampling Sampling modes Normal sampling Peak detection Average value Sampling rate 250 MSa s Input Input coupling DC AC Input impedance 1MΩ 2 connected in parallel with 20pF 3pF Probe attenuation coefficient 1X 10X 10...

Страница 69: ...iggering AC coupling Same as the DC coupling when it is equal to or larger than 50Hz Triggering lever range 6 divisions from the screen center Triggering level accuracy typical which is applicable to the signal with rise and fall time equal to or longer than 20ns 0 3 divisions Trigger displacement 655 divisions for pre triggering and 4 divisions for post triggering Make a 50 level setting Typical ...

Страница 70: ... Max Input Voltage 1000V DC or AC peak to peak value Range Accuracy Resolution 400 0mv 100uV 4 000V 1mV 40 00V 10mV 400 0V 1 1 digit 100mV Voltage VAC Input Impedance 10MΩ Max Input Voltage 750V AC virtual value Frequency range from 40Hz to 400Hz Display Virtual value of the sine wave Range Accuracy Resolution 4 000V 1mV 40 00V 10mV 400 0V 1 3 digits 100mV Direct Current DC Range Accuracy Resoluti...

Страница 71: ...10pF 512 0nF 100pF 5 120uF 1nF 51 20uF 10nF 100uF 3 3 digits 100nF Diode Voltage reading 0 V 1 5 V On off Test You can a beep sound when the on resistance is less than 30Ω 9 1 3 General Specifications Basic parameter Mechanical dimension 18 cm 11 5cm 4cm Weight 645 g Power consumption 7 W Display type 3 8 color liquid crystal display Display resolution 320 horizontal 240 vertical pixels Display co...

Страница 72: ...iquid and solvent touch with probes to avoid the instrument or probe being damaged Cleaning Inspect the instrument and the probe frequently in accordance with operating conditions Clean the outer surface of the instrument according to the following steps 1 Wipe off the floating dust outside of the instrument and the probe by using soft cloth When cleaning the LCD do not scuff the transparent LCD p...

Страница 73: ...r include and where shows that the battery can only be used for about 5 minutes To charge the battery and power the instrument connect the oscilloscope using a power adapter according to Figure 1 to charge the battery The charging speed can be increased by turning off the test tool Notice To avoid superheat of battery during charging the environment temperature is not allowed to exceed the permiss...

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