testing electronic components with digital multimeter

... 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 ... 4.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter. 4.12.2Setthetransformswitchatthe Vrangeposition. 4.12.3Besurethatthedisplayisnot shown“ ”,otherwise,the batteryshouldbereplaced. 4.12.4Setthetransformswitchto theTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright. 4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthe meter tothehighestdetectingsensitivityinordertoenlargethedetectingrange. 4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,the redLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound. 4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthe transformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichone iselectriferous. NOTE: -WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity. -Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsume electricity. -Thereisnoautopowerofffunctioninthisrange. -AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse. 5.MAINTENANCE 5.1BATTERYREPLACEMENT WARNING Beforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthe meterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuitto avoidelectricshockhazard. 5.1.1Ifthesign‘ ’ appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced. 5.1.2Loosenthescrewfixingthebatterycoverandremoveit. 5.1.3Replacetheexhaustedbatterywithanewone. 5.1.4Putthebatterycoverasitsorigin. 5.2TESTLEADS(ORTESTCLIP)REPLACEMENT WARNING Fullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleads supplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectric ratings.Electricratingsofthetestleads:600V10A. Youmustbereplacedthetestleadiftheleadisexposed. 6.ACCESSORIES ⑴ Test Lead:ElectricRatings600V10Aonepiece ...

Ngày tải lên: 05/03/2013, 13:43

... Ohm BNC attenuator with an average power rating of 2 watts (1kW peak) and frequency range from Hz - 4.0 GHz. Available in attenuation values from 1 - 30 dB in 1 dB increments with delivery from ... weatherproof to IP65 rating except models with solder posts 5. BNC-Male, TNC-Male and SMA-Male connector configurations are not currently available MECA Electronics, Inc. 459 E. Main Street, Denville, ... an N-Type attenuator with an average power rating of 10 watts (1kW peak) and frequency ranges from Hz - 4.0 GHz. Available in attenuation values of 3, 6, 10, 20 & 30 dB with delivery from STOCK...

Ngày tải lên: 09/11/2013, 05:15

... terms of use. The Difference Between Digital and Film Cameras The most obvious difference between a digital and film camera is that the digital camera has an electronic sensor in place of film. That ... the habits you developed while you photographed with a film camera can effect the way you take photos with a digital camera. When taking photos with a film camera, a finite number of photos are ... creative advantages offered by taking multiple photos with a small investment in some extra digital “film” (media). 6 How to Do Everything with Digital Photography What’s a Snapshot? In the nineteenth...

Ngày tải lên: 10/12/2013, 14:15

... Designing Distributed Applications with Visual Studio .NET, Programming the Web with XML Web Services Incorrect Answers 070 - 310 Leading the way in IT testing and certification tools, ... permissions to anonymous users with <deny users=”?” /> Step 2: We deny access to User1 with <deny users=”User1” /> Step 3: We allow access for all other users with <allow users=”*” ... (0).HasErrors Then We check if there exist any errors in the dataset with the HasErrors method. Line 4, 5, 6: We collect the rows with errors with the GetErrors method. Reference: .NET Framework Class...

Ngày tải lên: 10/12/2013, 14:16

... Note: This lab deals with electrical power supplies. Proper care should be taken whenever working with a power supply. Also, students should not wear a grounding strap when testing the power supply. ... IT Essentials I v2.0 - Lab 11.1.2 Copyright  2002, Cisco Systems, Inc. Lab 11.1.2: Using a Digital Multimeter Estimated Time: 30 Minutes Objective This lab will concentrate on your ability ... their voltage values (ask your instructor, if you have any questions related to how to proceed with voltage measurements). Lead Color Expected Voltage Actual Voltage 1. 2. 3. 4. 1 -...

Ngày tải lên: 24/01/2014, 19:20

... noticed during the testing phases of this project, all the component instances are highlighted in a greenish tint whenever you interact with them. This tint is known as haloGreen. With this line ... Open Components5 .fla. This project continues from where we left off in the preceding exercise. We'll insert several lines of code at the end of the existing code on Frame 1. 2. With the ... _global.style.setStyle("themeColor", "haloOrange"); 7. < Day Day Up > Customizing UI Components With ActionScript Let's face it—most coders couldn't care less about the design...

Ngày tải lên: 26/01/2014, 11:20

... approach. Which brings us to unit testing. As we’ll see, unit testing is important to you as a programmer because it provides the feedback you need. Without unit testing, you may as well be writing ... What is Unit Testing? . . . . . . . . . . . . . . . 3 1.3 Why Should I Bother with Unit Testing? . . . . 4 1.4 What Do I Want t o Accomplish? . . . . . . . . . 5 1.5 How Do I Do Uni t Testing? . ... page of “test ” code with a single As- sert.IsTrue(true) at the very end (i.e., “the code made it to the very end without blowing up therefore it must work”). That’s not testing, that’s wishful...

Ngày tải lên: 16/02/2014, 13:20

... according with the parameters of thyristor valves. 3. Conclusion The application of power electronic components for controlling in the above mentioned cases brings certain benefits. Comparing with ... H.Rashid , Power Electronics Handbook (Editor in Chief), Academic Press 2001. VNU Journal of Science, Mathematics - Physics 25 (2009) 77-82 77 Application of power electronic components to control ... power electronics structures controlling the firing angle of thyristor. In the next section, we introduce a power electronic structure to control firing angle α of thyristor. 2. Power electronic...

Ngày tải lên: 05/03/2014, 14:20

... other forms of testing may just be a waste of time. You still need other forms of testing, and perhaps much more formal testing depending on your environment. But testing, as with charity, begins ... about unit testing, here. It’s the barest-bones, lowest-level testing that’s designed for us, the programmers. There’s plenty of other work to be done in the way of functional testing, accep- tance testing, ... Should I Bother with Unit Testing? . . . . 4 1.4 What Do I Want to Accomplish? . . . . . . . . . 5 1.5 How Do I Do Unit Testing? . . . . . . . . . . . . 7 1.6 Excuses For Not Testing . . . ....

Ngày tải lên: 15/03/2014, 10:20

... word from the co-occurrence network (with its weight) 1.0 word from text (with p its weight in the window, equal to 0.21 link in the co-occurrence network (with its cohesion value) 1.0 1.0 1.0 ... 281–288, Sydney, July 2006. c 2006 Association for Computational Linguistics Enhancing electronic dictionaries with an index based on associations Olivier Ferret CEA –LIST/LIC2M 18 Route du ... network If one agrees with what we have just said, one could view the mental lexicon as a huge semantic network composed of nodes (words and con- cepts) and links (associations), with either being...

Ngày tải lên: 23/03/2014, 18:20

... Interface Components with Swing 13 Supplemental Reading  A visual Index to the Swing Components http://java.sun.com/docs/books/tutorial/uiswing /components/ components.html  Creating a GUI with ... javax.swing defines various GUI components — objects with which the user interacts via the mouse, the keyboard or another form of input.  Some basic GUI components  JLabel  JTextField  JCheckBox  JComboBox  JList  JPanel  Most ... components  JLabel  JTextField  JCheckBox  JComboBox  JList  JPanel  Most of the swing components are written completely in java, so they provide a greater portability and flexibility than the original GUI components from package java.awt  Awt components are platform...

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... interface and its components are updated with the new data. You can access data from your browser and the web dashboard. Conveniently, Sonar reporting is also made available within your IDE, ... piece of knowledge must have a single, unambiguous, authoritative representation within a system. Source code written with this principle in mind is obviously easier to maintain. When a bug arises, ... published, with PDF and ePub les available? You can upgrade to the eBook version at www.PacktPub. com and as a print book customer, you are entitled to a discount on the eBook copy. Get in touch with...

Ngày tải lên: 29/04/2014, 10:00