UNI-T UTD2025 series Especificaciones

IntroductionDear users:Thank you for purchasing UNI-T product. To operate the instrument correctly, please read this Operating Manual carefully a

Operating Manual for UTD2000/3000UTD2000/3000 series digital storage oscillograph provides simple front panel with clear functions to users for all ba

Operating Manual for UTD2000/3000862. Waveform storage function: button then press [F3] for saving.UTD2000 series of oscillograph can provide waveform

Operating Manual for UTD2000/300087As shown in following figure, saved waveform can be recalled by short-cut key of [REF] on the panel for 3. Bitmap

Operating Manual for UTD2000/3000884. PrtSc copy & storage functionChapter 4: System Prompt and There is 1 PrtSc key in upper left corner of the s

Operating Manual for UTD2000/300089Loading: The prompt will display on the screen with ② To check if signal connection wire is connected schedule bar

90mode shall be used for video signals. Waveform can average times exceed 3 2.not be displayed stably until setting correct trigger ② To reduce aver

91Contact UsChapter 5: Service and SupportPlease contact UNI-T, Inc. directly from 08:00 to 17:30 and from Monday to Friday in China Warranty Abstract

92 Technical Indicators Chapter 6: AppendixAppendix A: Technical IndicatorsUnless otherwise specified, all technical dimensions are appropriate to pro

93Operating Manual for UTD2000/3000InputInput couplingDC, AC, GNDInput impedanceUTD2000C/3000C: 1±2% for parallel connection to 24±3pF;UTD2000E/3000

94Operating Manual for UTD2000/3000HorizontalWaveform interpolationRecord lengthStorage depthScanning scopePrecision of sampling rateand delay timeSin

95Operating Manual for UTD2000/3000VerticalAnalog digital converter (A/D)Scope of deflection coefficient (V/div)Displacement scope(Typical) optional b

● Elaborate view window extension function for ● 1 power wire to meet national standards;delicate analysis of waveform details and profile ● 1 “O

96Operating Manual for UTD2000/3000DC measurement precision (by adopting average sampling mode)Measurement precision of voltage difference (△V) (by ad

97Operating Manual for UTD2000/3000Dand widthModelAnalog Band WidthSingle Band WidthRiseTimeUTD2000C/3000CUTD2025C、UTD3025CSeries25MHz25MHz14nsUTD2042

98Operating Manual for UTD2000/3000TriggerTrigger sensitivityTrigger level scope(Typical) precsion of trigger level for signal of which RiseTime or De

99Operating Manual for UTD2000/3000Video trigger*Trigger sensitivity (typical video trigger)Signal system and row/field frequency (videotrigger type)A

100Operating Manual for UTD2000/3000MeasurementCursorManual modeTracing mode+, -,×, ÷Peak value, amplitude, the maximum value, the minimum value, top

101Operating Manual for UTD2000/3000Trigger frequency meter*Reading resolutionTrigger sensitivity(Typical) precistionGeneral technical dimension6-bit≤

102Operating Manual for UTD2000/3000Probe compensator output(Typical) output voltage(Typical) frequencyAbout 3V if peak value is not less than 1MΩUTD2

103Operating Manual for UTD2000/3000Machine dimensionDimensionWeightWidthHeightDepthNot containing packageContaining package320mm150mm130mm2.5kg4.0kg3

Appendix B: Fittings of UTD2000/3000 series UTD3000 series: LAN module: UT-M05digital storage oscillograph UTD3000Cseries: GPIB module: UT-M02Stand

Appendix C: Maintenance and cleaning any corrosive chemical detergent to avoid damage to General maintenance instrument or probe.It is not allowed to

ItemChapter 1: User Guideline...Elementary understanding of Trigge

106Operating Manual for UTD2000/3000The information is subject to changes without prior notice if manual content varies.

107UNI-TUNI-T Electronics (Shanghai) Co., Ltd.Address: RM 15, 11F, China Merchants Mansion, No.161, Lujiazui East Road, Pudong New District, Shanghai

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Item Example 8: Pass/Fail DetectionChapter 5: Service and Support Page...

Operating Manual for UTD2000/3000△ Elementary understanding of horizontal systemChapter 1: User Guideline△△ △ Function inspection△ Automatic setup of

Operating Manual for UTD2000/30002probe compensation signal outputvertical controlhorizontal controlOperation controlsmulti-purpose knob controllercom

Operating Manual for UTD2000/30003probe compensation signal outputvertical controlhorizontal controlOperation controlsmulti-purpose knob controllercom

Operating Manual for UTD2000/30004display of horizontal trigger positiontime display of central scale linevertical scale coefficient of display channe

Operating Manual for UTD2000/30005General inspection Please pay attention to packages and report to It is suggested to inspect the instrument by tran

Operating Manual for UTD2000/3000 Uni-Trend Technology（China） Limi

Operating Manual for UTD2000/30006Warning: Please confirm safety grounding of digital storage oscillograph to avoid dangers.and set attenuation ratio

Operating Manual for UTD2000/30007② In digital storage oscilloscope to set the probe attenuation factor. The attenuation coefficient of vertical

Operating Manual for UTD2000/3000Probe compensation2 It needs to adjust it when connecting probe to any input channel for the first time so that probe

Operating Manual for UTD2000/30009Automatic setup of waveform display Elementary understanding of vertical systemUTD2000/3000 series digital storage o

2. Alter vertical setup and observe alternation of status information. You can determine variation of any vertical gear by status bar below waveform w

Operating Manual for UTD2000/300011Users can also press [OFF] key to close currently Elementary understanding of horizontal systemselected channels f

Operating Manual for UTD2000/30001. Use horizontal SCALE knob to alter horizontal time base gear then observe alternation of status information. To ro

Operating Manual for UTD2000/300013Trigger point can be restored to vertical middle Elementary understanding of trigger systempoint quickly by short-

1. To user trigger level knob to alter trigger level and instruct trigger level line by seeing trigger mark on the screen so that it moves vertically

Operating Manual for UTD2000/300015Chapter 2: Instrument Setup Set trigger systems of [TRIGGER LEVEL], [MENU], ]50%] and] FORCE];By now, you have bee

Warranty period is 3 years since original purchaser purchases the product from UNI-T or authorized distributor if product is sold or transferred to th

Operating Manual for UTD2000/3000Setup of vertical systemCH1 and CH2 channels and setupEvery channel has its own vertical menu. Every item can be set

1. Press F1 to DC to pass through DC and AC Measured signal is a sine signal with DC component components of measured signals of CH1 channel. by tak

Operating Manual for UTD2000/3000(Note: Input signal still shall be connected to channel circuit under such mode although waveform is notFigure 2－3 Sy

Operating Manual for UTD2000/300019Please press [F2] to set band width limitation to ON for great attenuation of high-frequency component and noise of

Operating Manual for UTD2000/30004. Regulation setup of vertical volt/grid： Setup of reverse phase of waveformVolt/grid scope is 2mV/div～ Reverse ph

Operating Manual for UTD2000/300021I. Realization of mathematical calculation functionFigure 2－9 Setup of reverse phase of vertical channelMathematica

Operating Manual for UTD2000/3000Analysis of FFT frequency spectrumTime domain signal can be converted to frequency domain signal when using mathemati

Form 2-3: FFT menu Description FFT operation knack: Signals with DC component or deviation will bring in error or deviation of FFT waveform component.

Operating Manual for UTD2000/3000Selection of FFT windowMathematical storage oscillograph will carry out FFT conversion for time record with limited l

Operating Manual for UTD2000/300025Term explanation: FFT resolution: It is defined as factor of sampling and calculation point. FFT resolution increas

Operating Manual for UTD2000/3000a) To maintain products which are damaged due to product installation, repair or maintenance by not UNI-T service rep

information source 2 which participates in calculation and method is the same to the secondstep. Please measure and observe related waveform by UTD200

Operating Manual for UTD2000/300027Setup of horizontal systemopening extension time base. Please refer to Horizontal control knobintroduction to exten

comparing with middle point of view window.Mark Description:Trigger horizontal distance of position by Term explanation:Y-T mod e: Y axle refers to vo

Operating Manual for UTD2000/300029View window extension As shown in above figure), it can be divided into 2 View window extension is to argument a se

Operating Manual for UTD2000/3000will be displayed on Y axle after selecting X-Y not effect during X-Y display.display mode. Automatic testing mode

Operating Manual for UTD2000/300031Setup of trigger system Trigger level: Trigger level will set signal voltage Trigger can determine data acquisition

Operating Manual for UTD2000/300032Trigger controlTrigger mode: Edge, pulse width, video and ALT TRIG;Edge trigger: Trigger when edge of trigger signa

Operating Manual for UTD2000/300033Function menuSetupDescriptionTypeEdgeSelection of information source CH1 CH2 EXT EXT/5Munic

Operating Manual for UTD2000/3000Pulse width triggerTrigger time shall be determined for pulse width trigger according to pulse width. You can captur

Operating Manual for UTD2000/300035Form 2-9 (the second page)Function menuSetupDescriptionTypePulse widthTrigger polarityPositive pulse widthNegative

General Safety OverviewReliable grounding of products: The product is The instrument is designed and manufactured strictly grounded by ground co

Operating Manual for UTD2000/3000Video touchTo trigger in field or row with NTSC or PAL standard video signals after selecting video trigger for UTD20

Operating Manual for UTD2000/300037Please refer to Figure 2-14 for screen display when selecting standard system of PAL and row synchronization as syn

Setup of trigger coupling modePlease enter into trigger setup menu for setup of trigger coupling mode and gain the most sform synchronization. Please

Form 2-12 Operating Manual for UTD2000/300039Function menuSetupDescriptionTypeTrigger sourceGradientTrigger modeCoupling AC DC

Adjustment of hold off timeAdjustment of hold off time can be used to observe complex waveform (such as pulse string series). Inhibition time refers t

Operating Manual for UTD2000/300041panel to alter inhibition time for stable waveform display as practicable as possible.Figure 2—17 Hold off used for

connected to EXT TRIG interface. Signal can be used waveform data automatically so as to display for EXT and EXT can be used within signal trigger s

Operating Manual for UTD2000/3000433. horizontal displacement of waveform and review more pre-trigger details. You can observe waveform in ahead of tr

Operating Manual for UTD2000/3000Setup of sampling systemAs shown in following figure, ACQUIRE in control area is function key of sampling system.Figu

Operating Manual for UTD2000/300045Form 2-14 Sampling menuFunction menuSetupDescriptionObtainment modeSamplingPeak-value detectionAverageActivate ordi

Operating Manual for UTD2000/3000Usage of appropriate fuse: It is only allowed to use fuse type and rated indicator designated by the product.To avoid

It has to observe waveform display variation by altering obtainment mode. Please refer to Figure 2-19 and 2-20 for sampled waveform display if signal

Term explanationReal-time sampling: It refers to data required for once acquisition.Equivalent sampling: It refers to repeated sampling mode. It can f

Operating Manual for UTD2000/3000Setup of display systemAs shown in following figure, DISPLAY in control area is function key of display systemFigure

Operating Manual for UTD2000/300049Key points:Display type: To fill in blank between adjacent sampling points during vector display. Only sampling poi

Storage and callout Operation steps：As shown in following figure, STORAGE in MENU Please press STORAGE Enter into type menus. There control area is f

Operating Manual for UTD2000/300051Form 2-16Form 2-16Function menuSetupDescriptionTypeWaveformSelect waveform storage and callout menuInformation sour

Operating Manual for UTD2000/3000Form 2-17 Storage menu (the second page)52Function menuSetupDescriptionMagnetic diskDSOUSBTo select internal RAM of d

2. As shown in Form 2-18, please select setup and enter into setup storage menu.Figure 2-25 Storage setupForm 2-18 Setup of storage menu53Operating Ma

543. As shown in Form 2-19, please select bitmap for entry into bitmap storage menu.Remark: This function can not be called out until plugging in U di

Setup of auxiliary functionsAs shown in following figure, UTILITY in MENU control area is function key.Figure 2－27 Function key (and function) of samp

Terms in the manual: The following terms may be seen in the manual: Note: It refers to potential danger for the product and other properties.Terms for

56Operating Manual for UTD2000/3000Form 2-21-1 (the second page)Function menuFunction menuSetupSetupDescriptionDescriptionFast correctionON/OFFActivat

Form 2-22 Waveform recording menu57Operating Manual for UTD2000/3000Function menuSetupDescriptionInformation sourceCH1CH2CH1+CH2Select CH1 as recordin

58Operating Manual for UTD2000/3000Form 2-23 By detectionFunction menuSetupDescriptionDetection statusOpenCloseOpen/close information of waveform pass

59auxiliary function) for operation according to prompt shown in the screen.Language selection: There are many kinds of languages for UTD2000/3000 ser

60Automatic measurementAs shown in following figure, MEASURE is automatic measurement function key. You can be familiar with powerful automatic measur

press F5 to select “All parameters” to display all voltage/time measurement parameters. User can press F2 to select channel to measure. (Channel is in

Automatic measurement of voltage parameters Bottom value (Vbase): Voltage from waveform Voltage parameters which can be measured by bottom to GND (gr

Automatic measurement of time parameters ascending edge to ascending edge;Delay (descending edge): It refers to delay from UTD2000/3000 series oscillo

Operating Manual for UTD2000/300064 Form 2-25Function menuSetupDescriptionReturnReturn to parameter measurement display menu.Information sourceCH1Se

65 Form 2-27Function/measurement itemFunction/measurement itemDescriptionDescriptionOperating Manual for UTD2000/3000Previous pageReturn to previous p

Operating Manual for UTD2000/3000The manual is about operation information of OPERATING MANUAL FOR UTD2000/3000 digital storage oscillograph. The man

66Operating Manual for UTD2000/3000Function/measurement itemFunction/measurement itemDescriptionDescriptionPrevious pageReturnReturn to previous page.

67Operating Manual for UTD2000/3000Function/measurement itemFunction/measurement itemDescriptionDescriptionPrevious pagePrevious pageReturn to previou

Cursor measurementUser can press CURSOR button to display measurement cursor and cursor menu then use multi-purpose knob controller to alter cursor po

User can move cursor for measurement under CURSOR mode. There are 3 modes, namely, voltage, time and tracing. △V can be measured by pressing SELECT an

Usage of operation keyRUN/STOP key is in upper right corner of front panel of digital storage oscillograph. User can press the key so that green lamp

RUN/STOP: To acquire waveform or stop acquisition continuously;The key can be pressed for switchover of waveform sampling between operation and stop.

Operating Manual for UTD2000/300072Chapter 3: Application Example2The first example: Measurement of simple signalIt has to observe a unknown signal in

Operating Manual for UTD2000/300073 The secondexample: Delay observation of sine wave signal by circuit The same as above example, please set attenuat

Operating Manual for UTD2000/300074comparison without waveform overlapping for the first and second channels.following figure)2. To measure delay of s

Operating Manual for UTD2000/300075 The third example: Capture of single signal gradient to ascend, trigger mode of single mode and Advantages an

The manual includes 3 series of digital storage oscillograph as follows. Detailed models are shown in the following form:Operating Manual for UTD2000/

Operating Manual for UTD2000/300076control area on the panel can be rotated to alter The fourth example: To reduce random noise of horizontal trigger

772. To connect signals for stable waveform display on gain stable triggerdigital storage oscillograph. 4. To reduce display noise by setting sampli

78The fifth example: Application cursor measurementThis digital storage oscillograph can measure 28 kinds of waveform parameters automatically. All au

79△V, namely, pressure difference can be shown The sixth example: Application of X-Y functionin cursor menu automatically.To review phase location di

806. To press DISPLAY menu key to call out display sinθ =A/B or C/D. Of which: “θ ” refers to phase control menu.location difference angle between c

8110. Form of X-Y phase location difference The seventh example: Trigger of video signalVideo trigger function can be used for all modes except UTD200

Operating Manual for UTD2000/3000825. To press [F4] key as menu operation key to select Trigger of video rowsynchronization of odd field or even fiel

Operating Manual for UTD2000/300083The eighth example: Pass/Fail detectionIt has to check if input signal is within rule scope or not. Fail refers to

Operating Manual for UTD2000/300084The ninth example: Usage of updating procedure then press[F5] for updating).of U-disk4. To wait for updating for p

Operating Manual for UTD2000/300085The tenth example: Usage of storage functionStorage functions of oscillograph include setup storage, waveform stora