testing electronic components using digital multimeter pdf

Ngày tải lên: 24/01/2014, 19:20

Ngày tải lên: 14/08/2014, 13:21

... applied. A technicianwhofullyunderstandsdangerinvolvedshouldonlycarryoutsuchactions. 1.4.2Beforeopeningthebatterycoverorcaseofthemeter,alwaysdisconnectthetipofmeterandthe probeofthetestlead(ortestclip)fromalltestedcircuits. 1.4.3 To avoidthewrongreadingcausingelectricityattack,whenthemeterdisplays“ ”,youmust changethebattery. 1.4.4Donotuseabrasivesorsolventsonthemeter,useadampclothandmilddetergentonly. 1.4.5AlwayssetthetransformswitchtotheOFFpositionwhenthemeterisnotinuse. 1.4.6Ifthemeteristobestoredforalongperiodoftime,thebatteriesshouldberemovedtoprevent damagetotheunit. 2.DESCRIPTION -ThismeterisaportableprofessionalmeasuringinstrumentwithhandsomeLCDeasilyreading. -Singleoperationofatransformswitchmakesmeasurementconvenient.Overloadprotectionandlow batteryindicationareprovided,thismeterisidealforuseinthefields,workshop,school,hobbyand homeapplications. -Non-contactdetectingisconvenienttotestthesocketortheleadwhetheriswithpowerornot. -Thismeterhasfunctionofautorangeandmanualrange. -Thismeterhasfunctionofautopoweroff. -Thismeteriswiththefunctionsofdataholdandmaximumvaluemeasureandhold. -Whenusing,itcanshowrangesengineeringunitenunciatorsmeasuringresults. 2.1NAMESOFCOMPONENTS ⑴Probe ⑵RotatableProbeSocket ⑶LEDIndicator ⑷ProtectionRing ⑸TransformSwitch ⑹SensitivityAdjustKnob ⑺FUNC.Button ⑻RANGEButton ⑼MAX.HButton ⑽DATA-HButton ⑾Panel ⑿LCDDisplay ⒀COMJack 2.2COMPONENTSELUCIDATION -RANGEButton ThisbuttonisusedtotransformAutorangeormanualrange. -FUNC.Button Thisbuttonisusedtotransformfunction. -DATA-HButton ThisButtonisusedtoholddata. -MAX.HButton Thisbuttonisusedtomeasureandholdthemaximumvalue. ... WARNING BEEXTREMELYCAREFULINTHEUSEOFTHISMETER.Improperuseofthisdevice canresultinelectricshockordestroyofthemeter.Followallsafeguardssuggestedinthis manualandthenormalsafetyprecautionsusedinworkingwithelectricalcircuits. Donotservicethisdeviceifyouarenotqualifiedtodoso. To ensuresafeoperation,andinordertoexploittothefullthefunctionalityofthemeter, pleasefollowthedirectionsinthissectioncarefully. ThismeterhasbeendesignedaccordingtoIEC-1010concerningelectronicmeasuringinstrumentswith anovervoltagecategoryCATⅢ600Vandpollution2. Followallsafetyandoperatinginstructionstoensurethatthemeterisusedsafelyandiskeptingood operatingcondition. Withproperuseandcare,thedigitalmeterwillgiveyouyearsofsatisfactoryservice. 1.1PRELIMINARY 1.1.1Whenusingthemeter,theusermustobserveallnormalsafetyrulesconcerning: -Protectionagainstthedangersofelectricalcurrent. -Protectionofthemeteragainstmisuse. 1.1.2Whenthemeterisdelivered,checkthatithasnotbeendamagedintransit. 1.1.3Whenpoorconditionunderharshpreservationorshippingconditionscaused,inspectandconfirm thismeterwithoutdelay. 1.1.4Beforeusingtocheckforvoltage,alwaystestthemeteronaknownlivecircuittoverifythatthe detectfunctionofthemeterisworkingproperly. 1.1.5 Test leadortestclipmustbeingoodcondition.Beforeusingverifythattheinsulationontestleador testclipisnotdamagedand/ortheleadswireisnotexposed. 1.1.6Fullcompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleadssupplied. Ifnecessary,theymustbereplacedwiththesamemodelorsameelectricratings. User'sManual SinoMeter ... WARNING BEEXTREMELYCAREFULINTHEUSEOFTHISMETER.Improperuseofthisdevice canresultinelectricshockordestroyofthemeter.Followallsafeguardssuggestedinthis manualandthenormalsafetyprecautionsusedinworkingwithelectricalcircuits. Donotservicethisdeviceifyouarenotqualifiedtodoso. To ensuresafeoperation,andinordertoexploittothefullthefunctionalityofthemeter, pleasefollowthedirectionsinthissectioncarefully. ThismeterhasbeendesignedaccordingtoIEC-1010concerningelectronicmeasuringinstrumentswith anovervoltagecategoryCATⅢ600Vandpollution2. Followallsafetyandoperatinginstructionstoensurethatthemeterisusedsafelyandiskeptingood operatingcondition. Withproperuseandcare,thedigitalmeterwillgiveyouyearsofsatisfactoryservice. 1.1PRELIMINARY 1.1.1Whenusingthemeter,theusermustobserveallnormalsafetyrulesconcerning: -Protectionagainstthedangersofelectricalcurrent. -Protectionofthemeteragainstmisuse. 1.1.2Whenthemeterisdelivered,checkthatithasnotbeendamagedintransit. 1.1.3Whenpoorconditionunderharshpreservationorshippingconditionscaused,inspectandconfirm thismeterwithoutdelay. 1.1.4Beforeusingtocheckforvoltage,alwaystestthemeteronaknownlivecircuittoverifythatthe detectfunctionofthemeterisworkingproperly. 1.1.5 Test leadortestclipmustbeingoodcondition.Beforeusingverifythattheinsulationontestleador testclipisnotdamagedand/ortheleadswireisnotexposed. 1.1.6Fullcompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleadssupplied. Ifnecessary,theymustbereplacedwiththesamemodelorsameelectricratings. User'sManual SinoMeter...

Ngày tải lên: 05/03/2013, 13:43

... Beryllium Copper, Silver Housing Aluminum, Iridite Insulator PTFE Virgin Electrical Grade Operating Temp -55° C to +85° C O-Ring Silicone Rubber Weight (oz) 6.4 MECA Electronics, Inc. 459 E. ... Beryllium Copper, Silver Housing Aluminum, Iridite Insulator PTFE Virgin Electrical Grade Operating Temp -55° C to +85° C O-Ring Silicone Rubber Weight (oz) 6.4 MECA Electronics, Inc. 459 E. ... ambient temperature through natural air convection and derates linearly to 0 watts @ +125° C MECA Electronics, Inc. 459 E. Main Street, Denville, NJ 07834-2595 Toll Free: (866) 444 - 6322 Phone:...

Ngày tải lên: 09/11/2013, 05:15

... the Excitement of Digital Photography Copyright â 2004 by The McGraw-Hill Companies. Click here for terms of use. The Difference Between Digital and Film Cameras The most obvious difference between a digital ... million pixels. The sensors in digital cameras sold today range from 2 to 5 megapixels. Pixels: The Foundation of Digital Photos So what’s a pixel? Pixels are the building blocks of digital pictures. Just ... . . . . . . . . . xxi PART I Digital Photography Basics CHAPTER 1 Discover the Excitement of Digital Photography . . . . . . . . . . . . . . . 3 Your Approach to Digital Photography . . . . ....

Ngày tải lên: 10/12/2013, 14:15

... Contents Overview 1 Using Calculated Cells 2 Lab A: Creating a Calculated Cells Formula 17 Review 20 Module 9: Using Calculated Cells 20 Module 9: Using Calculated Cells BETA ... expression for this procedure. Module 9: Using Calculated Cells 13 BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Although using the LookupCube function to return ... for this procedure. Note Module 9: Using Calculated Cells 1 BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Overview ! Using Calculated Cells In this module,...

Ngày tải lên: 10/12/2013, 16:15

... Solution Using Equations (12.67), (12.69), (12.70) and (12.74) are used to calculate the poles of Equation (12.65). The zero of the overall amplifier gain is calculated using Equation ... 12.11 Wilson Current Source Using KCL at the collector of transistor Q 3 , we get IIII I CRBR O F 13 =− =− β therefore, () III OFRC =− β 1 (12.57) Using KCL at the emitter of Q 3 ... midband gain using equation (12.108) a = (1/rds) + (1/rd) + (1/rl); rlprime = 1/a; rg = rg1*rg2/(rg1 + rg2); gain_mb = -gm*rg*rlprime/(ri + rg); % Calculate Low cut-off frequency using equation...

Ngày tải lên: 13/12/2013, 01:15

... Press LLC â 1999 CRC Press LLC Attia, John Okyere. “Two-Port Networks.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... shown in Figure 7.3. + - V 1 V 2 + - I 1 I 2 Y b Y c Y a Figure 7.3 Pi-Network Solution Using KCL, we have IVY VVYVYY VY ababb 11 12 1 2 =+ = + ()() (7.19) â 1999 CRC Press LLC ... + - V 1 + - V 2 R C R R CC Figure P7.5 RC Ladder Network â 1999 CRC Press LLC â 1999 CRC Press LLC Using Equation (7.50), the equivalent y-parameters of the bridge-T network are y Z ZZ ZZ ZZ...

Ngày tải lên: 13/12/2013, 01:15

... colour/white pattern exactly, using as few folds as possible. The target number of folds is shown in brackets by each pattern. Don't forget there are no rules, so you can start using diagonals, fifths, ... There are no prizes available, but it's a lot of fun! Here are some folds & puzzles using paper. Simple Models banger Rick Nordal's surprise fold foil flower paper pistol sasaki's...

Ngày tải lên: 13/12/2013, 04:15

... 3: Special Components: Dhandlers and Autohandlers In previous chapters you've seen an overview of the basic structure and syntax of Mason components, and you've seen how components ... like http://www.yoursite.com/docs/corporate/decisions .pdf over URLs like http://www.yoursite.com/doc.cgi?domain=corporate&format =pdf& amp;content =dec isions. It also lets you design an ... through your web site. These documents might be PDF files stored on a central document server, JPEG files stored in a database, text messages from an electronic mailing list archive (as in the...

Ngày tải lên: 14/12/2013, 12:15

... database. Using SQL Server In this section, you'll explore some of the tools you use to manage SQL Server. Specifically, you'll learn how to start and stop SQL Server using the Service ... installation. Using Enterprise Manager To administer a database, you use the Enterprise Manager tool. You can create databases, create and edit tables, create and edit users, and so on, using Enterprise ... perform searches for phrases through large amounts of text. The SQL Mail service allows you to send electronic mail from SQL Server. ã Meta Data Services Contains tools that allow you to manage...

Ngày tải lên: 14/12/2013, 13:15

... // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Text; using System.Data; using System.Data.SqlClient; private ... database. A DataAdapter is created and the select, delete, insert, and update commands are built using the stored procedures for the solution. A RowUpdated event handler is attached to the DataAdapter. ... SP0613_PurgeExpired. [ Team LiB ] [ Team LiB ] Recipe 6.13 Implementing Pessimistic Concurrency Without Using Database Locks Problem You need the safety of pessimistic locking without the overhead of...

Ngày tải lên: 14/12/2013, 18:16

... overview of components, consult the documentation that comes with Flash. A component is usually nothing more than a movie clip with some built-in functionality. Components can be customized using ... Day Up > Components: A Scripting Primer Because the focus of this book is ActionScript, our discussion in this lesson largely centers on how to work with and use Flash components from ... ã You add components to a project manually by dragging them onto the stage within Flash's authoring environment, via the Property Inspector or Component Inspector. ã You add components...

Ngày tải lên: 14/12/2013, 22:15

... Methods and Applying Scope”; in fact, there's almost no new syntax here. Using the Circle class is similar to using other types that you have already met; you create a variable specifying ... Defining and Using a Class In C#, you use the class keyword, a name, and a pair of curly braces to define a...

Ngày tải lên: 15/12/2013, 00:15

... Otherwise, they can request the fuzzy ART FF A[ ] again by using a different similarity parameter until satisfactory designs are retrieved. 7.5.5 Testing Robustness When the user wants to retrieve a ... conceptual design 048 using similarity = 0.5. design 031 design 037 design 038 design 043 design 044 design 045 â2001 CRC Press LLC 7.5.1 Constructing Geometric Memory Using the DSG coding ... sources. This type of design information would be hard to describe using traditional textual data. Another major problem with using traditional information retrieving methods is the use of search algorithms...

Ngày tải lên: 17/12/2013, 06:15

... synchronization can be achieved in practice, such as: r using polling in the control algorithm; r using external interrupts for timing; r using timer interrupts; JWBK063-01 JWBK063-Ibrahim December ... communicate with each other using a LAN cable. Wireless LAN systems are becoming popular, and there is no reason why a DCS cannot be constructed using wireless LAN technology. Using wireless, system ... analyses the stability of digital control systems with examples, using the various well-established analytical and graphical stability techniques. The analysis and design of digital controllers are...

Ngày tải lên: 22/12/2013, 21:15

... phương tiện digital media cú uy tớn theo yờu cu khỏch hng. ã Phõn tích và giải thích các đặc điểm, tính năng của từng phương tiện digital media; từng kiểu lựa chọn trong mỗi phương tiện digital ... phương tiện digital media cho khách hàng theo yêu cu. ã m phỏn vi cỏc ch phng tin digital media về vị trí, mức giá, thời gian, những ưu ói, ã Mua giỳp v trớ qung cỏo trờn cỏc phng tin digital ... viên / khách hàng trung thành. ã Data d liu thụng tin khỏch hng Emarketing – Digital Marketing Digital Marketing (Tiếp Thị sử dụng các phương thức kỹ thuật số) là hình thức marketing...

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