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6.13 Autoset

Autoset is used to simplify the operations. Press AUTObutton and then the Oscilloscope will automatically
adjust vertical factor and timebase range based on the waveform amplitude and frequency until the
waveform displays steadily on the screen. System settings for Autoset function are shown in the following
table:
Table 6-22

Functions

Settings

Acquire Mode

Normal Sample

Display Type

YT

SEC/DIV

Adjust based on signal frequency

VOLT/DIV

Adjust based on signal amplitude

Trigger Type

Edge

Trigger Level

central point of signal

Trigger
Coupling

DC

Trigger Slope

Rise

Trigger Mode

Auto

UTD1000L User Manual 

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Summary of Contents for UTD1000L Series

Page 1: ...User Manual UTD1000L Series DIGITAL STORAGE OSCILLOSCOPE ...

Page 2: ...2011 09 UNI T Technologies Inc ...

Page 3: ......

Page 4: ...scope correctly please read this Manual carefully and especially its Safety Information before use Afer reading it you are suggested to keep the manual properly Please keep it with the Oscilloscope together or place it in an accessible location for future use UTD1000L User Manual 1 ...

Page 5: ... defects and submit them to service center designated by UNI T In the meanwhile they shall pay for freight fee in advance and provide a copy of customer proof of original purchase UNI T shall pay for product return expense to users if transporting product to location within state of UNI T service center Users shall pay for all freight fees tariffs taxes and other expenses if returning products to ...

Page 6: ...4 2 P OWERING ON THE O SCILLOSCOPE 15 4 3 D ESCRIBING THE D ISPLAY 15 4 4 R ESETTING THE O SCILLOSCOPE 16 4 5 U SING F UNCTIONAL M ENUS 17 4 6 H IDING M ENUS 17 4 7 M AKING C ONNECTIONS FOR P ROBE C OMPENSATION 17 4 8 C OMPENSATING THE P ROBE 18 4 9 S ETTING V ERTICAL H ORIZONTAL S YSTEMS AND T RIGGER L EVEL M ANUALLY 19 4 9 1 Vertical System 19 4 9 2 Horizontal System 19 4 9 3 Trigger Level 20 4 ...

Page 7: ... 3 1 Changing Timebase 49 6 3 2 Moving Waveforms Horizontally 49 6 3 3 Zooming in out Waveforms 50 6 3 4 Adjusting Trigger Hold Off 50 6 4 S ETTING T RIGGER S YSTEM 51 6 4 1 Common Setting 52 6 4 2 Edge Trigger 53 6 4 3 Pulse Width Trigger 54 6 4 4 Video Trigger 55 6 4 5 Slope Trigger 55 6 6 S ETTING THE D ISPLAY 58 6 7 S ETTING A UTO M EASUREMENTS 59 6 8 R ECORDING AND S TORAGE 64 6 8 1 Recording...

Page 8: ... Preparation before Update 78 8 1 2 Update Conditions 78 8 1 3 Program Update 78 C HAPTER 9 A PPENDIXES 80 A PPENDIX A T ECHNICAL S PECIFICATIONS 80 A PPENDIX B M AINTENANCE 86 A PPENDIX C C HINESE E NGLISH R EFERENCE T ABLE FOR F RONT P ANEL 87 UTD1000L User Manual 5 ...

Page 9: ...ts for electronic measuring instruments IEC61010 1 Overvoltage CATⅢ 600V and Pollution Degree II Please review following safety precautions to avoid personal injury or any damage to this product or any products connected to it Operate the product as specified to prevent any potential hazards Only the qualified personnel can perform the servicing procedures Warning To avoid electric shock or fire u...

Page 10: ... voltage value mentioned in Warning is the working voltage limit for the power adaptor It represents Vrms 50 60Hz when applying AC sinewave Only qualified staff can perform the servicing Check all terminals ratings To avoid fire or electric hazard please observe all ratings and symbols on the Oscilloscope Read through the manual for details before making connections to the Oscilloscope Do not oper...

Page 11: ...side ease of use this series outstands itself with superb performance and powerful functions such as remarkable trigger and analysis ability making it easy to capture and analyze the waveforms high definition Display and math function ensuring a very clear and fast view on waveforms and finding out the signal problem 2 2 UTD1000L Series Oscilloscope Accessories Unpack the carton and you will see f...

Page 12: ... battery operation for UTD1000CL and 6 hours for UTD1000DL UTD1000L 22 types of auto measurements Simple Printscreen function Multilingual help information 2 3 2 Multimeter 3999 display count Voltage current resistance diode capacitance continuity measurements offered Measure current up to 6A max UTD1000DL 4A max Extremely low internal resistance designed for current measurement ensuring better me...

Page 13: ...se refer to the section and check if any accessory is missing Please contact UNI T dealership or local UNI T office if there is any damage or missing item 3 1 3 Checking the Whole Oscilloscope If the Oscilloscope is found damaged externally or it does not work normally or pass any performance test contact our UNI T dealership or local UNI T office If the product is damaged due to the transit keep ...

Page 14: ...ultimeter input terminals 6 UTD1000DL multimeter input terminals 3 2 2 Compensation Output Connection Connect to the output 1 kHz 3V terminal as shown below for the Oscilloscope probe compensation Figure 3 2 Compensation Output Connection 3 3 Front Panel and Keypad Learn about the Oscilloscope front panel and buttons shown in Figure 3 3 Figure 3 3 UTD1000L Series Front Panel UTD1000L User Manual 1...

Page 15: ...epeatedly press to toggle between two channel menus for UTD1000DL In DSO mode press the button to access FFT menu for UTD1000CL or press the button and then F1 button to toggle between FFT and MATH menus for UTD1000DL Press SHIFT first and then the button to access STATUS display In DSO mode press to access RECORD waveform record menu or press SHIFT first and then the button to access STORAGE menu...

Page 16: ...olid and also use Up and Down buttons to adjust trigger point location Under MEASURE menu this button is used to confirm selected parameters or it is to toggle between Cursor 1 2 under cursor measurement Arrow and OK buttons OK button is used to hide display current menu under DMM mode it is used to confirm if current divider has been properly connected when making A current measurement Shortcut B...

Page 17: ...ut the waveform and oscilloscope control settings on the screen 1 Trigger source status CH1 CH2 indicates you can adjust the waveform of this channel REF indicates you can adjust the recalled waveform FFT indicates you can execute FFT operation on the waveform 2 Trigger coupling AC ac coupled DC dc coupled HF high frequency reject 3 Trigger level readout 4 Trigger status ARMED The Oscilloscope is ...

Page 18: ...setting the Oscilloscope To reset the Oscilloscope to the default do the following 1 Press SHIFT button shift icon displays on the upper right corner of the screen 2 Press UTILITY button and four options shows on the bottom display 3 Press F2 button to select the default setup Then the Oscilloscope is set to the default settings Note Pressing up arrow button can also set the Oscilloscope to the de...

Page 19: ...sponding button to obtain the function you want 4 6 Hiding Menus Press down OK button to hide all button icons and menus To display menus or button icons press OK again Note To set up auto hiding time for menus please find corresponding option in CONFIGURE menu Figure 4 3 Hiding Menus 4 7 Making Connections for Probe Compensation Connect the signal as follows 1 Connect the probe connector to the O...

Page 20: ...set probe factor on the Oscilloscope to 10 turn the switch to 10 on the probe then connect the probe connector to the oscilloscope input channel and the probe tip to compensation output terminal 2 Then execute AUTO 3 Observe the displayed waveform Over Compensated Correctly Compensated Under Compensated If the displayed waveform is under or over compensated as indicated above use the adjusting too...

Page 21: ...ggle between vertical position and trigger level 4 9 2 Horizontal System Press down s ns buttons to change the timebase and the timebase readout in status bar will vary accordingly The horizontal scan rate ranges from 5ns 50s div 10 ns 50s div for 25MHz bandwidth models and steps in 1 2 5 Press Right and Left arrow buttons to adjust the horizontal location of the trigger point which can allows to ...

Page 22: ... then F3 to set DC autoset to off If AUTOSET is applied the coupling mode is switched to AC mode 2 Input 1kHz 2Vpp sine signal into two channels then set AC coupling for one channel and DC mode to the other When AUTOSET is applied the coupling modes for both channels keep unchanged 4 11 Full Autoset for Input Signal UTD1000L can offer creative auto function to capture input signal With this functi...

Page 23: ...base of the Oscilloscope that has changed waveform vertical or horizontal location will make the Oscilloscope automatically exit autoset mode 4 12 Run Stop Data Acquisition To stop the data acquisition 1 Press RUN STOP button the Oscilloscope stops data acquisition and STOP indicates on the upper display 2 Repress RUN STOP then the oscilloscope will restart the acquisition Figure 4 10 Stop Data Ac...

Page 24: ...ift icon shows on upper right corner of screen 2 Press OK button bitmap then will immediately be saved to the internal memory Note through control software loaded in PC the bitmaps can be exported to PC in BMP format and be saved up to 10sets 4 15 Using Online Help To use built in help information do the following 1 Press SHIFT and shift icon shows on the right corner of screen 2 Press HELP button...

Page 25: ...gger 4 17 Viewing Oscilloscope Status To view the current status of the Oscilloscope do the following 1 Press SHIFT button and shift icon shows on upper right corner of screen 2 Press STATUS button current settings of the Oscilloscope will be displayed on the screen 3 To turn off the information repeat Step 1 and 2 Note Press down AUTO button status information will then automatically turn off 22 ...

Page 26: ...witch on display configuration menu 3 Press F4 button then details such as oscilloscope model version will show on the screen 4 PressF1 button to switch off the displayed window Figure 4 15 System Information 4 19 Making Auto Measurements There are two kinds of auto measurements available in the Oscilloscope Measure all or customized parameters Maximum 4 parameters can be selected if you want to c...

Page 27: ...ce or the signal source is set to the channel without signal input no parameter measurement will be made Figure 4 16 UTD1000L measures all parameters 4 19 2 Measuring Customized Parameters To measure customized parameters do the following 1 Press MEASURE button to display measurement menu 2 PressF3 the screen will display measurement paremeters available for your selection 3 Press Arrow Buttons to...

Page 28: ...ttons to set AVG number to 16 Then measurement results will show after the Oscilloscope has averaged the data for 16 times Figure 4 18 Smoothing with 16 times AVG Mode 4 21 Using Peak Detect Mode for Pulse Peak Display This function can be used to display waveforms at 50 ns or wider Pulse Peak or other asynchronous waveform 1 Press ACQUIR button to display sample mode menu 2 Press F1 button to set...

Page 29: ...to Infinite dynamic signals will be kept on the screen When set to Auto the Persistence function will turn on accordingly Figure 4 20 Persistent Display for 3 Seconds 4 23 Selecting AC Coupling The screen displays both AC and DC voltages if the oscilloscope is set under DC coupling If only the small AC signal mixed in the DC signal is expected to display please select AC coupling mode To select AC...

Page 30: ...Press F4 button to set Invert to On then the waveform on the screen will be displayed reversely Figure 4 22 UTD1000L Inverted Waveform 4 25 Autoset for Signals with DC Offset UTD1000L Series is designed with powerful autoset function that makes it possible to perform fast and accurate measurement in DC coupled mode for signals with any DC component UTD1000L User Manual 27 ...

Page 31: ...t amplitude range is 20mV div so DC offset readout 20mV div 53 63div 1 0726V Vpp readout 72mV means the AC peak to peak value of the signal You can also directly read out the DC level through AVG value AVG value 1 0726V which stands for the signal DC level Through all parameters mentioned above the signal can be understood very easily Note For UTD1000DL models CH1 and CH2 are both set to DC coupli...

Page 32: ...ess DMM DSO button to access DMM mode the display screen will change into multimeter interface accordingly 5 2 Connections to the Multimeter UTD1000L has two multimeter input terminals COM V Ω matched to 4 mm banana plugs of test leads UTD1000DL One UT M04 4A current divider and one UT M10 mA current module are also offered to use in the measurements UTD1000CL One UT M07 6A current divider is also...

Page 33: ...ing 1 Press down R button to set measurement type to Resistance 2 Plug test lead connectors into multimeter input terminals Black to COM and Red to V Ω 3 Connect test leads respectively to the resistor under test then take resistance readings Figure 5 1 Measuring Resistance 5 4 2 Testing Diodes To test the diode do the following 1 Press R button to set the measurement type to Resistance 2 Press F1...

Page 34: ...if tested resistance between tested points is lower than70Ω Figure 5 3 Testing for Continuity 5 4 4 Measuring Capacitance To measure capacitance do the following 1 Press R to set the measurement type to Resistance 2 Press F1 button to switch measurement type to Capacitance 3 Plug test lead connectors into multimeter input terminals Black to COM and Red to V Ω 4 Connect test leads to the capacitor ...

Page 35: ...est leads respectively to tested points then take DC voltage reading Figure 5 5 Measuring DC Voltage 5 4 6 Measuring AC Voltage To measure AC voltage do the following 1 Press V button to set measurement type to DC Voltage 2 Press F1 button to select AC Voltage option 3 Plug test lead connectors into multimeter input terminals Black to COM and Red to V Ω 4 Connect test leads respectively to tested ...

Page 36: ...input terminals Black to COM and Red to μA mA 3 Then connect test leads to tested points than take the DC current reading Figure 5 7 Measuring DC Current lower than 4Ma To measure DC current lower than 400mA do the following 1 Press I button to set measurement type to DC Current 2 Press F3 button to select mA range andmeasurement unit will be mA 3 Plug test lead connectors into input terminals Bla...

Page 37: ... COM and μA mA without use of 10A Current divider module UT M07 when measuring current greater than 400mA the fuse in the product will be burnt out Please have the fuse replaced by qualified personnel if the incident happens Figure 5 9 Measuring DC Current Greater Than 400mA 5 4 8 Measuring AC Current with UTD1000CL To measure AC current equal to or lower than 4mA do the following 1 Press I button...

Page 38: ...er than 400mA do the following 1 Press I button to set measurement type to AC Current 2 Press F3 button to select A range and measurement unit will be A 3 Plug10A Current divider module UT M07 into input terminals COM and μA mA then connect black and red test lead connectors respectively to the module UT M07 4 Then connect test leads to tested points than take the DC current reading Warning If tes...

Page 39: ...nto Black and Red terminals on the module 4 Then connect test leads to tested points than take the DC current reading Figure 5 13 Measuring DC Current Equal to or Lower than 1mA To measure DC current within 1mA 40mA do the following 1 Press I button to set measurement type to DC Current 2 Press F3 to select mA range the measurement unit will change into mA accordingly 3 Plug mA current module UT M...

Page 40: ...OM and V Ω then turn the switch on the module to 400mA range 4 Insert Black and Red test leads correspondingly into Black and Red terminals on the module 5 Then connect test leads to tested points than take the DC current reading Figure 5 15 Measuring DC Current within 40mA 400mA To measure DC current greater than 400mA do the following 1 Press I button to set measurement type to DC Current 2 Pres...

Page 41: ...cident happens Figure5 16 Measuring DC Current Greater than 400mA 5 4 10 Measuring AC Current with UTD1000DL To measure AC current equal to or lower than 1mA do the following 1 Press I button to set measurement type to AC Current the measurement unit is μA You can use F3 button to select between μA mA and A ranges the default is μA 2 Plug mA current module UT M10 properly into input terminals COM ...

Page 42: ...rrespondingly into Black and Red terminals on the module 4 Connect test leads to tested points then take the AC current reading Figure 5 18 Measuring AC Current Lower than 40mA To measure AC Current within40mA 400mA do the following 1 Press I button to set measurement type to AC Current 2 Press F3 to select mA range the measurement unit will change into mA accordingly 3 Plug mA current module UT M...

Page 43: ...ly 3 Plug 4A current divider module UT M04 properly into input terminals COM andV Ω then insert Black and Red test leads correspondingly into the module 5 Connect test leads to tested points then take the AC current reading Warning If test leads are connected to V Ω and COM terminals without use of 4A current module UT M04 when measuring the current greater than 400mA the fuse in the product will ...

Page 44: ... to the specific reference value Refer to capacitance measurement in relative mode First of all you need to obtain a reference value 1 Press R button to set measurement type to Resistance 2 Press F1 button to select Capacitance option 3 Connect test leads to input terminals Black to COM and Red to V Ω 4 Wait until the reading becomes stable then press F2 button to access the relative mode icon sho...

Page 45: ...the ranging mode will change into Manual status accordingly 3 Under manual ranging mode keep pressing F3 button to reach up to the highest range after that then the selected range jumps directly to the lowest range and circulates again The currently selected range shows just above measuring readings 4 Press F2 button Auto icon shows on left upper display indicating the multimeter has returned to f...

Page 46: ...ow Figure 6 1 Channel Menu Setup Please see channel menu in the following table Table 6 1B Channel Off On Turn off CH1 or CH2 waveform Turn on CH1 or CH2 waveform Coupling DC AC GND AC DC components pass DC component is blocked Display DC level when the channel input terminal is equivalently grounded Probe Factor 1 10 100 1000 Select one of them to match to the probe to ensure accurate reading Fou...

Page 47: ...Setting Probe Factor To match with the probe factor on the probe you need to set up corresponding factor in channel menu For example the probe factor is 10 1 please set Probe option in the menu to 10 Do the same setting for other selected probe factor in order to ensure accurate voltage reading Under channel menu press F3 to set up probe factor To set up probe factor for another channel please pre...

Page 48: ... horizontally more trigger information can be viewed which let users know more about pretrigger situation For instance by observing and analyzing pretrigger data of glitches occurring in circuit start up you can trace down the cause to the glitches Press HORIZONTAL button to switch on horizontal menu refer to the following figure Figure 6 4 Horizontal Setup Menu There are two options in horizontal...

Page 49: ...esponds to the selected zone of upper part using s ns button to narrow down the selected zone can enable the expanded waveform to have better timebase namely a higher waveform amplification factor in a horizontal direction 6 3 4 Adjusting Trigger Hold Off Switch on horizontal menu use Right and Left buttons to adjust hold off time 100ns 1 5s It can be applied to observe complex waveforms eg burst ...

Page 50: ...nsform unstable signal into meaningful waveform When the acquisition starts the Oscilloscope continuously acquires enough data to fill the pretrigger portion that is displayed to the left of trigger point Then the trigger occurs the Oscilloscope will continue to acquire enough data to fill the posttrigger waveform to the right of trigger point TRIGGER button is designed to set up the Oscilloscope ...

Page 51: ...r point that is the cross point between trigger level line and the signal edge on the screen Pulse Width Trigger Trigger when the pulse width of trigger signal reaches up to preset trigger conditions Video Trigger Trigger on fields or lines of standard video signal Slope Trigger Use the rise or fall speed rate of the signal as trigger condition Check details for different kinds of trigger menus 6 ...

Page 52: ...operation 1 Press SHIFT button Shift icon displays on right upper corner of the screen 2 Press F1 F2 F3 F4 button to display common setting menu 6 4 2 Edge Trigger Edge trigger is to trigger on trigger threshold value of signal edge Please see the table below for edge trigger menu Figure 6 9 Trigger Edge Type Table 6 4 Men u Setting s Description Type Edge Set trigger Type to Edge Slope Rise Fall ...

Page 53: ...r signal Qualifier Trigger when input pulse width equals to set value Trigger when input pulse width is less than set value Trigger when input pulse width is greater than set value Time To set up pulse width time value use Left and Right arrow buttons to set the value when the menu is displayed 6 4 4 Video Trigger Trigger on fields or lines of NTSC or PAL standard signals if video trigger is selec...

Page 54: ...r on PAL format video signal Trigger on NTSC format video signal Syn All Lines Odd Field Even Field Trigger synchronically on all lines Trigger on odd fields Trigger on even fields 6 4 5 Slope Trigger Trigger occurs only after rise or fall speed rate meets set value Figure 6 12 Trigger Slope Type Page 1 UTD1000L User Manual 51 ...

Page 55: ...ut Channel Input channel CHI is the most commonly used trigger source For the channel selected as the trigger source it should be switched on before it works normally 2 Trigger Mode decide what the oscilloscope will do when no trigger event occurs Three trigger modes are offered Auto Normal and Single Auto The system automatically acquires data even there is no signal input and therefore displays ...

Page 56: ... arrow buttons to change average times in displayed menu Note 1 Use normal mode when you observe single shot signal 2 Please select Peak mode if you want to observe signal envelope and also to avoid any mix up 3 Use AVG mode if random noise in the signal is required to lower down The Oscilloscope steps in multiples of two please select from 2 512 in AVG times 4 Model UTD1000DL can be able to offer...

Page 57: ...n the screen new data if any could be added into the display continuously Term Explanation Display Format VECTOR Display fills out all blanks between neighboring points DOT Display just shows sample points Update Rate The times that the oscilloscope updates the waveforms per second it reflect how fast the Oscilloscope could allow you to observe signal dynamic change Y T Mode In this mode Y axis re...

Page 58: ...measured by using SELECT button The selected parameter will be displayed on the screen Max 4 items can be choosen at a time Turn off customized parameter selection box Clear To clear the displayed customized parameter Case 1 To display all measurement parameters of the displayed channel do the following 1 Press MEASURE button to open parameter measurement menu 2 Press F1 of UTD1000CL F2 of UTD1000...

Page 59: ...osen press SELECT to confirm and one marker will appear on the front of Vpp parameter to indicate it has been successfully selected the parameter will show on the display accordingly 5 Do the same to select Amplitude parameter 6 Press SELECT to confirm one marker also show on the front of Amplitude parameter and then the parameter displays on the screen 7 Press F2 of UTD1000CL F3 of UTD1000DL to t...

Page 60: ...Figure 6 17 Select Vpp Parameter Figure 6 18 Select Amplitude Parameter UTD1000L User Manual 57 ...

Page 61: ...nt The voltage parameters that the Oscilloscope can automatically measure include Maximum Value Vmax Voltage measured from the highest point of waveform to the zero ground Minimum Value Vmin Voltage measured from the lowest point to the ground Top Value Vtop Voltage measured from the flat top to the ground Base Value Vbase Voltage measured from the base of the waveform to the ground Middle Value V...

Page 62: ...m 90 to 10 of waveform amplitude Positive Pulse Width Width The distance between the mid 50 amplitude points of a positive pulse Negative Pulse Width Width The distance between the mid 50 amplitude points of a negative pulse Rising Delay The delay time between rising edges from A to B Falling Delay The delay time between falling edges from A to B Positive Duty Cycle Duty the ratio of positive puls...

Page 63: ...urn on off waveform record function Play To play recorded waveform Stop To stop recording or playing waveforms Record To begin the recording Figure 6 23 Save Menu for Recorded Waveforms Table 6 12 Save Menu for Recorded Waveforms Menu Settings Description Wave Record Save To turn on off waveform storage function 60 UTD1000L User Manual ...

Page 64: ...rs it indicates the waveforms have already been saved into internal memory Note Model UTD1000CL can record up to 300 screens of waveforms and it is up to 150 for Model UTD1000DL If following operations are performed during recording the recording will stop Press RUNSTOP SINGLE button PressAUTO or SHIFT AUTO button Turn Timebase range to access SCAN mode Case 2 To recall recorded waveform in Case 1...

Page 65: ...the following 1 Press SHIFT button and shift icon shows on upper right part of screen 2 Press STORAGE button to access storage menu Figure 6 25 Setting Waveform Storage Menu Figure 6 26A UTD1000CL Waveform Storage Menu 62 UTD1000L User Manual ...

Page 66: ...row buttons to select storage location Source CH1 CH2 To select the channel of the saved waveform Save To save the selected items Recall refer to the following section for recall setup To recall the saved parameters when the menu is on 6 8 3 Recalling To recall the waveforms press SHIFTbutton and shift icon shows on the upper right part of screen then press REF to access waveform recall menu UTD10...

Page 67: ...ss F3 of UTD1000CL to save and also F3button for UTD1000DL then storage success shows on the display indicating the waveform has been successfully saved into the Oscilloscope Recalling Waveform 6 Press SHIFT shift icon shows on upper right part of display 7 Press REF to access waveform recall menu 8 Press F1 of UTD1000L to select between REFA or REFB 9 Press Left Right arrow buttons to set Locatio...

Page 68: ...or function turns on measuring values can be automatically shown on upper left corner of the display Figure 6 28 Cursor Menu for Time Measurement Table 6 15 Menu Settings Description Type Time Use the cursor to measure the time Mode Independent Tracking Move each cursor independently Move two cursors simultaneously and keep Δt unchanged Vertical Unit Sec Hz measurement parameter is time measuremen...

Page 69: ...ween Cursor 1 and Cursor 2 6 10 Interface Setup To set up the display interface for the Oscilloscope do the following 1 Press SHIFT shift icon shows on uppert right corner of display 2 Press CONFIGURE to enter into diplay configuration menu Table 6 17 Functional Menu Settings Description Language Multilingual To select the desired language Style Classic Traditional Modern White Black To select dis...

Page 70: ...e system automatically Default The Oscilloscope returns to factory default status DC Autoset On Off Turn on off DC signal self identification function Clear Clear saved or recorded waveforms or settings in the Oscilloscope etc Key Points Self Calibration You need to run this operation to avoid any measurement error arising from environment change To ensure an accurate calibration please power on t...

Page 71: ... Hanning window Set to Hamming window Set to Blaclman window Set to Rectangle window Vertical Unit Linear dBV To set vertical unit to linear or dBV 2 For Model UTD1000DL both FFT and MATH functions are offered Math Operation It is to execute simple math operations on CH1 and CH2 waveforms To perform Math or FFT operation do the following 1 Press MATH to turn on mathematic menu 2 Press F1 to Set Ty...

Page 72: ... Turn off MATH function Mat h Source 1 CH1 Set CH1 as Source 1 of Math operation CH2 Set CH2 as Source 1 of Math operation Operator Source1 Source 2 Source 1 Source 2 Source 1 Source 2 Source 1 Source 2 Source2 CH1 Set CH1 as Source 2 of Math operation CH2 Set CH2 as Source 2 of Math operation Source CH1 Set the source to CH1 UTD1000L User Manual 69 ...

Page 73: ...l multiply original waveform with one window function to force the start and finish values all go to 0 Refer to following windows for details Table 6 21 FFT Window Features Best Applications Hanning Compared with rectangle type it has better amplitude accuracy and less so for frequency resolution Used to measure sine periodic and narrowband random noises Hamming Frequency resolution for Hamming is...

Page 74: ...il the waveform displays steadily on the screen System settings for Autoset function are shown in the following table Table 6 22 Functions Settings Acquire Mode Normal Sample Display Type YT SEC DIV Adjust based on signal frequency VOLT DIV Adjust based on signal amplitude Trigger Type Edge Trigger Level central point of signal Trigger Coupling DC Trigger Slope Rise Trigger Mode Auto UTD1000L User...

Page 75: ...mon signals use video trigger type for video signals Onlywhen proper trigger type has been set up can the waveform display steady 3 Try to change Coupling to HF Reject to filter out the high frequency inteference noise in the signal 7 6 There is no display after pressing down RUN STOP button 1 Check if Trigger Mode in trigger menu is Normal or Single and trigger level has gone beyond waveform rang...

Page 76: ...contact UNI T company directly to get the package 3 Connect the Oscilloscope to PC with USB cable then click to run the software choose corresponding oscilloscope model and click ENTER in pop up interface the software interface will appear Click Connect button on the interface to begin communication between PC and the Oscilloscope With this connection finished there will be an indication that USB ...

Page 77: ...2 If the Oscilloscope was disconnected to PC or powered off or PC has been shut down during update the update would stop and leave the previous program unchanged 74 UTD1000L User Manual ...

Page 78: ...5DL UTD1050DL 250MS s Acquisition Acquisition Peak Detect AVG AVG value All channels can acquire simultaneously up to N times N can be selected from 2 4 8 16 32 64 128 and 256 Input Input Coupling DC AC GND Input Impedance 1 2 ΜΩ 与21 3PF in parallel Probe Attenuation Factor 1X 10X 100X 1000X Max Input Voltage 300V DC AC Peak 1MΩInput Impedance Interchannel Delay typical 50ps Horizontal Waveform In...

Page 79: ...iv Add 2mV if setting between 5mV div to 200mV div Add 50mV if settings from 200mV div to 20V div Voltage Differnce V Measuring Accuracy AVG Mode Under same settings and ambient conditions calculate voltage difference ΔV between any two points just after capturing 16 wavforms and working out average values Equation 3 readings 0 05div Trigger Trigger Sensitivity 1div Trigger Level Range 10div from ...

Page 80: ...and FFT Storage Screens 10sets Waveforms 20 sets Settings 20 types Waveform Recording Store 5 sets of waveform records UTD1000L recording 150screens FFT Window Hanning Hamming Biackman Rectangular Sample Points 1024 points NYQUIST Pattern Phase Difference 3degrees Multimeter The specified accuracy is valid over the temperature range 18 C to 28 C Add 10 of specified accuracy for each degree C below...

Page 81: ...T M04 4A current divider module 10mA 1 5 5digits UTD1000CL DC Current Max Input DC Current DC6A Range Resolution Accuracy 350 0μA 0 1μA 1 2 5digits 40 00mA 10μA 1 5digits 400 0mA 0 1mA 6 00A Measure with UT M07 10A current divider module 10mA 1 5 5digits UTD1000DL AC Current Max Input AC Current AC 4A RMS Frequency Range 40Hz 400Hz Range Resolution Accuracy 999 9μA Measure with UT M10 mA current m...

Page 82: ... Resistance Range Resolution Accuracy 400 0 Ω 0 1Ω 1 2 5digits 4 000kΩ 1Ω 40 00kΩ 10Ω 400 0kΩ 100Ω 4 000MΩ 1kΩ 40 00MΩ 10kΩ 1 5 5digits Capacitance Range Resolution Accuracy 51 20nF 10pF 3 5digits 512 0nF 10pF 5 120uF 1nF 51 20μF 10nF 100μF 1μF Diode Voltage Readout 0V 1 5V Continuity Test Resistance value for discontinuity 75Ω the beeper doesn t sound Resistance value for good circuit continuity ...

Page 83: ...rating 0 40 Non Operating 20 60 Cooling Method Naturally cooled down Humidity 10 30 90 5 RH 30 40 60 5 RH Altitude Operating 3 000m Naturally cooled down 5 000m Mechanical Specifications Dimensions Reference Data 199mm 118mm 49mm Weight Net Weight Packing not included 0 9kg Packing Included 2 3kg IP Degree IP2X Calibration Period one time for each year Appendix B Maintenance 1 General Service Do n...

Page 84: ...de And icon means there is only five minutes left before the Oscilloscope powers off Please connect the power adaptor to the Oscilloscope if you want to charge the battery and use the Oscillosocpe at the same time Caution To avoid over heating when charging the battery environment temperature shouldn t exceed allowable rated value 0 40 Note There is no danger involved even the Oscilloscope has bee...

Page 85: ...This user manual may be revised without prior notice 82 UTD1000L User Manual ...

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