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OWON HDS1021M Handheld DSO & DMM 7-Using the Multimeter

figure 25: DC Current Measurement for 20A

7.4.8 Making an AC Current Measurement

To measure an AC current which is less than 400 mA, do the following:

1.

Press the

A

key and

DCA

appears at the top of the screen. The unit on the main reading

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.

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 will be displayed on the screen.

Look at the display, you can see a screen that looks like the following figure 26.

figure 26: AC Current Measurement for 400 mA

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Содержание Lilliput HDS1021M

Страница 1: ...HDS1021M Handheld Digital Storage Oscilloscope Multimeter User Manual www owon com hk ...

Страница 2: ...ing However OWON will continue to improve products and reserves the rights to changes specification at any time without notice OWON is the registered trademark of the Lilliput Company Headquarter Fujian Lilliput Optoelectronics Technology Co Ltd The mansion of optoelectronics No 19 Heming Road Lantian industrial zone Zhangzhou Fujian China Tel 86 596 2130430 Fax 86 596 2109272 Web www owon com hk ...

Страница 3: ...f of purchase This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Lilliput shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Lilliput representatives to install repair or service the product b to repair damage resulting from improper use or ...

Страница 4: ...ERAL CHARACTERISTICS 6 4 PERFORMING THE GENERAL INSPECTION 7 4 1 Performing the General Inspection 7 4 1 1 Check whether there is any Damage on it Due to Transportation 7 4 1 2 Make a Check on Accessories 7 4 1 3 Make a Check on the Complete Instrument 7 5 INPUT CONNECTIONS 8 5 1 Input Connections 8 5 2 Description for Front Panel and Keys 9 6 USING THE SCOPE 11 6 1 About this Chapter 11 6 2 Power...

Страница 5: ...13 Using Persistence to Display Waveforms 19 6 14 Using Peak Detection to Display Glitches 20 6 15 Selecting AC coupling 21 6 16 Reversing the Polarity of the Displayed Waveform 22 7 USING THE MULTIMETER 23 7 1 About this Chapter 23 7 2 Making Meter Connections 23 7 3 Multimeter Operation Window 23 7 4 Making Multimeter Measurements 24 7 4 1 Measuring Resistance Values 25 7 4 2 Making a Diode Meas...

Страница 6: ...cale ３６ 8 2 4 Setting of Inverted Waveform ３６ 8 3 Setting the Trigger System ３６ 8 4 Triggering Control ３７ 8 4 1 Edge Triggering ３７ 8 4 2 Video Triggering ３８ 8 5 Acquiring Mode Setting ４０ 8 6 Display Setting ４０ 8 6 1 Display Style ４１ 8 6 2 Persistence ４１ 8 6 3 Cymometer ４１ 8 7 Waveform Saving Setups ４２ 8 8 Function Setting Menu ４３ 8 9 Making Automatic Measurements ４３ 8 10 Setting the Cursor Measure...

Страница 7: ...0 1 Appendix A Specifications 52 10 1 1 Oscilloscope 52 10 1 2 Meter 54 10 1 3 General Specifications 55 10 2 Appendix B Maintenance and Cleaning 56 10 2 1 Common Maintenance 56 10 2 2 Storage of Oscilloscope 57 10 2 3 Replacing the Lithium Battery Unit 57 4 ...

Страница 8: ...pment for Measurement Control and Laboratory use part 1 General Requirements EN61326 1 2006 Electrical Equipment for Measurement Control and Laboratory use EMC Requirements part 1 General Requirements EN61000 3 2 2006 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 2008 Electromagne...

Страница 9: ... product Description Standard Optional 1 Oscilloscope and Battery 2 Power adapter 3 Oscilloscope Probe x 1 grey 4 Multimeter test lead x 2 black and red 5 Extension module for big current measurement 6 Module for small capacitance measurement 7 The output terminal of 1KHz 5v signal 8 Probe adjustment tools 9 USB communication cable 10 User Manual 11 CD ROM software 12 Soft carrying case figure 1 D...

Страница 10: ...e instrument 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 Notice is used in this manual to indicate that damages may be c...

Страница 11: ...nly insulated voltage probes test leads and adapter supplied with the test tool or indicated by OWON as suitable for the Oscilloscope Multimeter Before use inspect voltage probes test leads and accessories for mechanical damage and replace when damaged 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 th...

Страница 12: ... 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 of any undetermined failure When in doubt any damage on this product consult the qua...

Страница 13: ...high resolution and high contrast Storage and call out of waveforms Automatic setting function provided capable of fast setting Implementation of detecting the average and peak values of the waveform Edge and video triggering function USB communication port Multiple Language User Interface Multimeter 3 3 4 digits Volts Amps Ohms Diode Capacitance Continuity measurement 20A maximum amplitude Isolat...

Страница 14: ...ries The 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 4 1 3 Make a Check on the Complete Instrument If the instrument is damaged i...

Страница 15: ...wer supply and battery recharging 2 Multimeter test lead 3 Multimeter input jacks including three circular banana jacks and two 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 probe 5 Oscilloscope channel input 6 The output terminal of 1KHz 5V square wave test signal 8 ...

Страница 16: ...SB jack 3 The output port of 1KHz 5V square wave test signal 4 Power switch 5 A Multimeter current measurement key 6 V Multimeter voltage measurement key 7 R Multimeter resistance triode On Off and capacitance measurement key 8 OSC Oscilloscope left direction adjustment key 9 OSC Oscilloscope right direction adjustment key 10 OSC OPTION Oscilloscope setting key 9 ...

Страница 17: ...y 12 OSC Oscilloscope display upward adjustment key 13 OSC DMM Operation mode switching key between oscilloscope and multimeter 14 AUTO SET z Under the Multimeter Mode when performing the current or voltage measurement you can make a measurement switch between AC and DC with this key pressed when performing the resistance measurement you can select resistance diode On Off or capacitance measuremen...

Страница 18: ...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 The instrument then performs self checking after power on A greeting window and a sentence press any key to continue will display on the screen when the system finishes self checking The users can press any key to ente...

Страница 19: ...g the waveform under the non trigger state Trig d The oscilloscope has detected a trigger and collecting the information generated after the trigger Ready All pre triggered data have been captured and the oscilloscope has been ready to receive trigger signals Scan The oscilloscope can gather and display the waveform data continuously in scanning mode Stop The oscilloscope has stopped collecting th...

Страница 20: ... and press it to change function setting See the following figure 5 figure 5 the Tool s Menus 6 5 Manually Setting the Vertical System Horizontal System and Trigger Position With the combination application of the four keys OSC OSC OSC and OSC the users can make the following settings circularly by pressing OSC OPTION The settings include Voltage Unit Scale of the Channel Primary Time base TIME BA...

Страница 21: ... 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 Time Zero See the following figure 8 figure 7 Zero Point Position 6 Press OSC or OSC key to adjust the zero position in vertical direction and press OSC or OSC key to adjust the horizontal position 9 Press OSC OPTION key once more and the following appear...

Страница 22: ...amplitude into the expected measurement range z Vertical zero position It is referred to as the grounding datum 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 betwe...

Страница 23: ...afety 4 mm banana jack inputs for Multimeter R V and A measurements and two quadratic jack inputs for Multimeter capacitance measurements Isolated input allows independent floating measurements between Multimeters and Scopes 6 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 positio...

Страница 24: ...two numeric readings measurement 1 and measurement 2 These readings are selectable independently and the measurements can be done on the input waveform To choose an average value measurement for measurement 1 do the following 1 Press MENU key then the function menu appears on the right side of the screen 2 Press MENU or MENU key to select MEAS SET1 Five items selectable are visible at the bottom o...

Страница 25: ...n 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 11 figure 11 Freezing the Screen 6 12 Using Average for Smoothing Waveforms To smooth the waveform do the following 1 Press the MENU key and the function menu appears on the right side of the screen 2 Press MENU or MENU key to select ACQU MODE with four items se...

Страница 26: ...g Persistence to Display Waveforms You can use Persistence to observe dynamic signals 1 Press MENU key than the function menu appears on the right side of the screen 2 Press MENU or MENU key to select DISP SET Four items selectable are displayed at the bottom of the screen 3 Press F2 key to select Persist 1 sec 2 sec and 5 sec infinite or close In this case jump to Infinite and the observed dynami...

Страница 27: ...ey than the function menu appears at the right side of the screen 2 Press MENU or MENU key to select the ACQU MODE Four items selectable are displayed at the bottom of the screen 3 Press F2 key and jump to Peak Detect In this case you can test the glitch Now you can see a screen that looks like the following figure 14 figure 14 Peak Detection Term interpretation Collecting mode The oscilloscope tr...

Страница 28: ...n be reduced Duration time When a new waveform is displayed the previous waveform shown on the screen does not disappear immediately only to be displayed for a period of time that is the duration time by setting which the waveform can be displayed more continuously and thus a display similar to that shown by the analog oscilloscope can be achieved Roll scan mode The oscilloscope updates the wavefo...

Страница 29: ...Press the MENU key and the function menu appears at the right side of the screen 2 Press the MENU or MENU key to select CH SETUP Four items selectable are displayed at the bottom of the screen 3 Press F4 key to jump to Inverted The inverted waveform of the channel is displayed on the screen Now you can see a screen that looks like the following figure 16 figure 16 Inverted On 22 ...

Страница 30: ...s to show how to use the menus and perform basic operations 7 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 7 3 Multimeter Operation Window figure 17 Multimeter Operation Window Description 1 Battery electric quantity indictor 2 Manual Auto range indictors among which th...

Страница 31: ...plying 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 ...

Страница 32: ...n Ohm Now you can see a screen that looks like the following figure 18 figure 18 Resistance Measurement 7 4 2 Making a Diode Measurement To make a measurement on the diode do the following 1 Press the R key and R appear 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 ban...

Страница 33: ... 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 20 figure 20 On of...

Страница 34: ...r 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 screen that looks like the following figure 21 figure 21 Capacitance Measurement 7 4 5 Making a DC Voltage Measurement To measure a DC voltage do the following 1 Press the V key and DCV appears at the top of the screen 2 Insert the blac...

Страница 35: ...reen 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 23 figure 23 A...

Страница 36: ...alues of measured points will be displayed on the screen Look at the display you can see a screen that looks like the following figure 24 figure 24 DC Current Measurement for 400 mA To measure a DC current which is larger than 400 mA do the following 1 Press the A key and DCA appears at the top of the screen The unit on the main reading screen is mA 2 Press F5 key change to 20A measurement the uni...

Страница 37: ...t 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 will be displayed o...

Страница 38: ...ule 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 can see a screen that looks like the following figure 27 figure 27 AC Current Measurement for 20A 7 5 Freezing the Readings You can freeze the displayed readings at any time 1 Press the RUN STOP key to ...

Страница 39: ...alue 1 Press R key and R is displayed on the top side of the screen 2 Press the AUTO SET key till C appears at the top of the screen 3 Plug capacitance extended module in capacitance measure jack 4 When the reading leveling off press F2 key and is displayed on the top side of the screen The saved reference value is displayed below 5 Plug capacitance the displayed major reading on the screen is act...

Страница 40: ...creased by a stage when pressing F1 key each time and when reaching the highest stage it jumps to the lowest stage by pressing F1 key once again To multiply the reading of dial pointer by multiplying power and the unit of main reading on the screen will get the measurement result 3 Press F3 key and AUTO is displayed on the top left side of the screen to switch back to the automatic range mode Look...

Страница 41: ...ction menu appears at the right of the screen 2 Press the MENU or MENU key to jump to CH SETUP 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 screen that looks like the following figure 31 figure 31 Setting the Vertical The following Table describes the Vertical Channel menu Function menu Setting Descri...

Страница 42: ...quare 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 first and then DC to make a DC coupling setting Both dc and ac components contained in the tested signal are permitted Press F1 Coupling first and then Ground to make a Ground coupling setting Input signal is interr...

Страница 43: ...eform Inverted waveform The displayed signal reverses 180 degrees relatively to the ground potential Press F4 Inverted to start Invert again press F4 Inverted to close Invert 8 3 Setting the Trigger System The Trigger defines the time when the acquisition of data and display of waveform start If it is set correctly the trigger can turn an unstable display into a significant waveform When starting ...

Страница 44: ...ection Video triggering Perform video field trigger line trigger odd field trigger even field trigger or line NO trigger on the standard video signals The following describes the Edge triggering and Video triggering menus respectively 8 4 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 selec...

Страница 45: ...ng With Video triggering selected the oscilloscope performs the NTSC PAL or SECAM standard video signals field line odd field even field or line num trigger Figure 36 is the Video Line Trigger figure 37 figure 38 is the Video Line trigger figure 36 Video Line Trigger figure 37 Video Line NO trigger Page1 figure 38 Video Line NO trigger Page2 when the sync is Line Field Odd Field Even Field the men...

Страница 46: ...ake a video designed line synchronization setting MODU NTSC PAL SECAM Video format setting Holdoff Go to the holdoff menu Go to the next menu Line increase decrease Set the line value to increase Set the line value to decrease Line No Set and Show the line valve Back up to previous menu When you go to the holdoff menu you can see a screen in the following figure39 Figure39 Trigger Holdoff the Hold...

Страница 47: ...n ignited When an invalid trigger is enforced the oscilloscope can not keep the waveform in phase Normal trigger mode In this mode the oscilloscope cannot acquire the waveform till it is triggered When there is not any trigger the oscilloscope will display the origin waveform without new waveforms captured Single shot mode In this mode the oscilloscope will detect a trigger and capture a waveform ...

Страница 48: ...ometer Turn off the Cymometer 8 6 1 Display Style The display style includes Vector and Dot displays shown as the following figure 40 figure 41 figure 40 Dot Style figure 41 Vectors Style 8 6 2 Persistence With Persistence function 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 wil...

Страница 49: ...ist Function menu Set up Description WAVE A B C and D Select the address for saving or recalling a waveform Save Store the waveform into the selected address Show ON OFF Close or start displaying the waveforms stored in address A B C or D To save a waveform in address A do the following 1 Press the MENU key and the function menu appears at the right of the screen 2 Press the MENU or MENU key to se...

Страница 50: ...is equal to or larger than 5 Celsius degrees the self correcting program should be performed to gain the maximum accuracy Before the self correcting program is performed the probe or lead should be disconnected with the input connector then select the F2 key Self correcting item After confirming that everything is ready press the F2 key Self correcting key and enter into the self correcting progra...

Страница 51: ...the signal Width Measure the Width of the signal Width Measure the Width of the signal Duty Measure the Duty of the signal Duty Measure the Duty of the signal To measure the average value with Measurement 1 and the peak to peak value 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 MENU or MENU key to select MEAS SET1 Fi...

Страница 52: ...t pulse in the waveform takes to rise from 10 to 90 of its amplitude Fall Time Time that the falling edge of the first pulse in the waveform takes to fall from 90 to 10 of its amplitude Width The width of the first positive pulse in 50 amplitude points Width The width of the first negative pulse in the 50 amplitude points Duty Duty Cycle defined as Width Period Duty Duty Cycle defined as Width Per...

Страница 53: ...2 relative to the zero position of the channel is displayed on the Curs2 item at the bottom of the screen Also the absolute values of V1 and V2 can be shown on the Delta item at the bottom of the screen Now you can see a screen that looks like the following figure 45 figure 45 Use the Cursor for a Voltage Measurement To use the cursor for a time measurement do the following 1 Press the MENU key an...

Страница 54: ...ow up signals automatically even if the signals change at any time Autoscale enables the instrument to set up trigger mode voltage division and time scale automatically according to the type amplitude and frequency of the signals The menu is as follows Function Menu Setting Instruction Autoscale OFF ON Turn off Autoscale Turn on Autoscale Mode Vertical Horizontal HORI VERT Only adjust vertical sca...

Страница 55: ...toscale The oscilloscope will be set to YT mode and ATUO triggering 4 Oscilloscope is set as DC coupling with AUTO Triggering A warning message is displayed when trying to change these settings 5 The oscilloscope will turn off Autoscale if user is trying to adjust vertical position voltage division trigger level or time scale for CH1 or CH2 To back to Autoscale Press AUTOSET 6 The oscilloscope is ...

Страница 56: ... Window Expand the defined window to full screen display For the operation of window extension please execute the following steps 1 Press MENU key display the function menu on the right side of the screen 2 Press MENU or MENU key to select TIME BASE 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 and OS...

Страница 57: ...xecute the following steps 1 Press MENU key display the function menu on the right side of the screen 2 Press MENU or MENU key to select display setting mode display four options at the bottom 3 Press F4 key and select the Bitmap or Vectors for data transmission 4 Use a data line to connect the oscilloscope and the PC 5 Open the OWON software that had been installed completely 6 Setting the parame...

Страница 58: ...e ERR is still displayed restart the oscilloscope 4 The measured voltage amplitude value is 10 times larger or smaller than the real value under the oscilloscope mode Check whether the channel attenuation level matches the actual probe attenuation ratio 5 The waveform is displayed on the screen but is not stable under the oscilloscope mode Check on the trigger mode The edge trigger mode is applica...

Страница 59: ...he 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 100 MSa s Input Input coupling DC AC Groud Input impedance 1MΩ 2 connected in parallel with 18pF 5pF Probe attenuation coefficient 1X...

Страница 60: ...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 Trigger Holdoff range 100ns 10s Make a 50 level setting Typical Operation with the input signal frequency equal to or larger than 50Hz Trigger sensitivity Video triggering and typical mode 2 d...

Страница 61: ...put Impedance 10MΩ 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 100mV 1000 0V 1 2 digit 1V 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 750 0V 1 5 3...

Страница 62: ...MΩ 1 5 3 digit 10KΩ Capacitance Range Accuracy Resolution 51 20nF 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 50Ω 10 1 3 General Specifications Basic parameter Mechanical dimension 18 cm 11 5cm 4cm Weight 455 g Power consumption 3 W Display type 3 5 color liquid crystal displ...

Страница 63: ... Cleaning 10 2 1 Common Maintenance Do not store or place the instrument in locations where the liquid crystal display LCD may be directly exposed to the sunshine for a long time Be careful Do not make spraying agent liquid 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 Cl...

Страница 64: ...ing the battery a battery indicator is displayed on the top of the screen to show the consumption condition of electric quantity The symbols that are possibly appear 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...

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