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1、ELECTRONIC VOLTMETER 410C Ijjiii! .- . HEWLETT ,PACKARC RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 ,.-P.l:KJ6-., OPERATINGANDSERVICEMANUAL MODEL410C ELECTRONICVOLTMETER PnfbtttI:I9I1A A-UXc.Muaallleckdltbla Ons.WI.to SerlaIIPnfbtttI: 311.321,339.433.532,550, 101.952.!181 IWARNING Toh.,pminimiz.
2、th.possibilityof.ttetric.fi, orshockh.urds,donotupouthisinstrum.nt tor.in or.xc.ssiv.moistu,. MaullPlrtNumberOCNIG-90007 CopyriptH.lenPockord Company1969 P.O. Box JOl,LovelwHEWL.ETT r-a:PACKARD-, CERTIFICATION Hrwl61-Paclcud CompallyrIi/ial/url111/3prodJlclmd113pvbIis1olspi/lCtlllollSalIIIlimojsllip
3、m,jromIII jtlClory.Hrw/II-PackudjurltwrrIi/iGIIIaIiuctI/ibrrztlonmauun_uanIftlCNb/10IIIUllitSlalaNa- lioltlll8llfHUojStIlJld#nb,101Mal1I1a/lowlby1MBurttllls ctIIibrrzliolljtlCility, alld10IIIcalibralionjacililia ojottwrIlItalio1ttl/StMrdardsOrJalliuliollmmlwrs. WAJUlANTY ThisHewleU-Packardprodw:t is
4、warraatedapiDatdefectsinIIl) rhDn.J. - - Instruction manual symbol: the productwillbe marked with this symbol when itisnecessary for the user to refer to the instruction manualinorder to protectapinstdamase to the insuumenl. Indicates danaerous volllJe (terminalsfedfrom the fnteriorby volllJe exceed
5、ina1000volts mustbeso marked). Protective conductor terminal. For protection asainst electrical shoc:kinClseofa fault.Usedwithfieldwirina terminals toin- dicate the terminal which mustbeconnected toaroundbefore operatina equipment. Low-noiseornoiseless, clean around (earth) terminal. Used for a sian
6、al common, aswellasprovidina protection aaainSi electrical shoc:kinc:aseofa fault. A terminal marked with this symbol must be connected to aroundinthe manner describedinthe installation (operatinJ) manual, and before operatina the equipment. Frame or chassis terminal. A connection to the frame (chas
7、sis)of the equipment which normally includes all exposed metal struc- tures. Alternatina current (power line). Direct current (power line). Alternatinaordirect current (power line). I The WARNING sian denotes a hazard.Itcalls attention to a pro- WAI.IIGcedure, practice, condition or the like, which,
8、ifnot correctly per- ,formed or adhered to, could resultininjury or death to personnel. The CAUTION sian denotes a hazard.Itcallsanention to an operatina proc:edure, practice, condition or the like, which,if not correctly performedoradhered to, could resultindamaae to or destrue:tionofpartor allofth
9、e produe:t. NOTE: The NOTE sian denotes imponant information.Itcallsanention to proc:edure, practice, condition or the like, whichisessential to hiahliahl. ModoI41OC SECTIONI GENERALINFORMATION SectionJ 1-1.DESCRIPTION. 1-2.TheH.wl.tt1clwdMOOe1410C Electronic Volt- met.rcan beusedtom.devoltaIe Itqea
10、nd resislance.Positmandneptiwdeltqes from15mV to 1500 VfullscaI.andpooiti.andn.ptm dec:umnafrom 1.5 itAtoISOrnAcanbeme_redfull ocaIe.Resistonce from100to10MnmlcHcalecan be me_rodwilh anICalrICYof%5;miltonfrom 0.2 0 105001.10canb.meUll.d wilhreduc.dlCCUrocy.Th. Model 410C ElectronicVoltmet.rPiC,tions
11、lieJiven in TableI-I. 1-3.WilhtiltModelII036AdetachableACProbe, tho VollrnelAlrcanbewedto me.Ie.oItafrom 100 MHzto700MIh,.rer toFiptre 3-5 for maximumIevolta G W.stGlnnany;J Japan;U.Uniled KinSdom.) 1-6.Thismanual IppIjes toirutrwllelltswithtilt.rial prefixindicllAld on thetid.pap.IfchlJllOShibeen l
12、1IIdein!beinstrumentsinthe printinSofthis manual, I Manual Chan.suppl.menl supplied with the manual willd.nnethe.change.Be.ureto=ordthese chan.in your manual. BackdatinSinfonnllionlocated in Appendix Cadaputhe manual to instrumenumanuflctu,dprior to thisprinlinloThemanual partnumberisindicltedon the
13、 titl.pile. 11.ACCESSORIESAVAILABlE. 1-8.Accessories.lni1abl.lhltextendthe ac andde me.rinsabijjtiofthe Voltmeter. A descriptionof these acceuoriand their speciflcationsisIi.n below. 1-9.Model1I036AACProbe. This accessory,wh.nused withtheMOOelOC,permiuIevoltatyiIapproximately 2 pF. 1-12Moclel1I042AP
14、robe T Connector. This accessory (fonnedythoModel 455A)isused for conn.clinSthe ModelII036AProbe ICrou I500 trarurnissionlin.usinS type N connectors.ThoT jointis.uchthltconnectionof lito probeintoItransntiJaionlin.willnotCIU. Itanding .ratiogrelterthan1.IIt500NIhand1.2It 1000 MHz. Withthisdevi.measu
15、.menlofpowertrl- tling througb ItranJmiasionlin.maybemade with reuonlbJeaccuracyto1000MHz.Th.usual precautions mullbetabntoprovideaccurat. impedance mltc:ltins and thooliminatiosloC.taDdinS.alolII thelin.through whichpowerisaoatinS.ByuainlI dummy 10ld at the ceivina.,dofthisT jcintpower outputof.ari
16、ous devicescanbemeasured.Inmany IpplicltiOns power going iDto a realJoasuch as an antenna,canbeconveniently measureel up to 1000NIhwithS*accuracy. 1-13. Model1I043AType NConn.ctor.ThisOCCOSSOly (formodytheModel45gA)allows theACProbe to be connect.dto ISO0 coaxialline.Th.connector uses Imal. typeN co
17、nnector and I.ceptael. for.ivinS the probe. Terminatinl redstarisnotincluded. 1-14. Modal 11045A DC Divider. This acces,ory extends themaximumde.olta1.1 VdeatflM1QIe, lnlximumCUI1Wlt.1mAo OutputI-pd,K:e:Laath8n3Qetde. 12 DC0rifI:L_ttl.0.5offullsca41/v.,ItCONlant twlIIIInQ.n.lMIthina.ens0fuNKalal-C.
18、0wett0IdRecowry:A-e:owrfrom100:1 0tlIWk)1d In3aec. lot;VOLTMETE. ._:O.BV_Ie300 VInO.B.1.p.,_ droIaoff.10dilftctrtck:III111in.wide(13.01em); 11In. _121.1eml_Ind_.flu1iOllO-4191 Rock _.0I0_comblnint. WeIth .:.14.0ktl SIllllPi,:_ ,.1B.315kl linFlJlniItMd: Detee:f1I*cord.NEMAplC. ModoIl103lAAC_. Option0
19、2:IModel4,OCleuACProbe. , Mudel4lOC SECTIONII INSTALLATION SectionII 2-1.INSPECTION. 2-2.Thisinstrumentwasc,fully itupected both mechan- icolJyand electrically, before shipment.Itshouldbe ph)1icalJyfreeofmanor scrarches andinperfect electrical order upon receipt. To confmnthis,the instrument should
20、be inspected for physicaldamqein transit.Also,checkfor supplied accessories, and test the electrical performanceof the instrumentUJiogthe procedure oudined in Paraaraph S-S,Perfol11WlceTests.Ifthe.isdamage or deficiency,see thewarranty00the inside frontcoverofthismanual. 23.INSTALLATION. 24.The.nMod
21、el41OCistransistorized e.coptforone vacuum rube and.quiresDOspecial coolina. However,the instrumeot should not be operatedwheretile ambieol temperature exceedsSSC(l40F). 25,RACKMOUNTING. 2.TheModd410Cisa sublllOduiar unit designed for beochuse.However,whenusedincombination .ith other submodular unit
22、s, it can be bench and/or rack mounted. The.nCombininaCasesand Adapter Framedesigned specificallyforthis purpose. 2-7.Modd.IOSIA andIOS2ACombiningCase.The Combining easesIn!fulJ-moduie unitswhichaccept various combinatioosof.ubmodular units. Being afullwidth unil, itcaneither be bench or rack mounte
23、d.Anillustration of the CombiningCaseisshowninFigure2-I.Instructions for installing theModel410CmowninFiBure2-2. U.Rack Adapter Frame(-lIPart No. SQ60.0(97). The adapurframeisa rack mounting framethlta:oepllvarious oombination.of.ubmodularuniIt can be rack mounted only.AnIustrationofthe ldapter fram
24、eisgiveninFigure 23.lnstruetions are Jiven below. LPlacethe adapter frameonedpofbenchISmownin .tepI,FiJure 2-4. b.Stack tile submodular unitsinthe frameISshownin stap2, FiSU 2-4.Pia.the .pacer clamps between instrumentsISshowninstep3,Fiau2-4. c. Place spacer clamps on the two end instrwnents(see lep
25、4, Fiawe 2-4) and push the combinatioo into the frame. d.InsertscteWSon either sideofframe, and tighten untll submodular instrumentsaretightinthe frame. DIVIDEIlASSEMBLY DIVIDEIlLATCH , .SUIlMODULEIlETA.NER F.,o21.ThoCombini,e-. 2-1 Section11MocIel41OC . .(1) .-. . - It.I I.,. = mP(j) .- . II 1.,._.
26、 .= lb.COIIIpleteUIOIIlblyis.llIyfornICkmountina. 2.THREE.cONOUCTOROWERCAllE. 2.10.Toprotectoperalinlpenonnel,thoNltiolll1 Elec:tricalManufoctum. Aaociation(NEMA)nconunenda thlttheiDl!rIIIDlntpanoland cabinetbeJRlWIdod.All Hewlctt.p.1wdinstrumentsare.quippedwithIdueo- conductorpowercablowhidlFoundat
27、heinltrWDlot whlll p1uged intoanIpprOpriate111OIlaifrlllllwhichthe instrllllllltisset to operate appears emthe slideroftheswitch.A 0.25_pere,lI1ofuseis uoedforbothlISand 230 V operation.IftheMoclel410C is,ratedItanyfnqumcyotborthan60Hz,perform choppor fNquencyt(Panaraph 5-31). Do1IOttJw,minIotJw11M.
28、o/tap IWiteiftJwPOltwvt/I0IWtWtttw. 21S.ThefolJowinl parllraphscontain.nera!auidefor repaclcqinlofthein.trumentfotwpm.nt.Referto lanaraph2-16iftheoriailll1containeristobeused; 2.17 ifitisnot.HyouhaveaD),.Iiens,cont.t yourlocal 411Sal.andServiceOffice.(SeeAppendixBforoffICe locltions.) Model41OC -:-.
29、 . o o - Stctioo11 1Mnictorwp4ir tob.fHlfonntd; incbJd. dwnrodel1lJl1llbtrmdfulluriJllnumbtroftil. I1ul7Ument Incorrespondence,id.ntlfytilt I1ul7Ument bymodelnumber.serilllnumbt, _uriJI/numlurpnfb. 2-16.IftheorihOMWf.Ihrlrtingboere.beconMCtlCl fromttw floMlne.-oundtwrniMftoth.ch.Ouncf termiNIontheDC
30、AMPLIFIEA OUTPUTCOnMetOr.If thoningbat.notused,theCOML-.disIoetingncacac lIllfMntheFUNCTIONSELECTisMttoAr:v. Model41OC o II II (!)DCV:1lllo _10_In_junction_tileCOMLoodto .*dctIII- (!)AC,OUI3llQVMAXI:R_fw._ sat,ofModet11038AACPrObt.NIttiprabeClOnMCtId.the Vtme_,ybeUIIdtomekaacOIt8glttneelur.menn. COA
31、DJUST:ThiccontrolitulldtoletlTWterpoln_ tobefONmeawtmtntl.tnIdt.OntvI*todlc: tdutuMntofIhl.I.tdjutf*1tMeeIUtY. LINEVOLTAG!: 11IiI two-poshlonslide_itch.11the NUUmIntcoICCIPtttMr111Of230VacprinwypiOllIIlIIW. FUSEHOLDER:TIl._!do2.TheModel 410Cisusedtomeasure ac and de voltage. decurrent, and resistan-
32、4.Theprocedure for adjustmentofmechanicalzerois giveninSectionV. 3-5.FRONTANOREARPANELOESCRIPTION. 3-6. Filllre1describes the functionofallfront and rear panel controls, connectoll and indicatoll. The description 2 Q)Det:nt.meACpowerIWltc:lt(.-.onMitcitClOrNMnallonJ. CDs-tFUNCTIONSELECTORtoIYd-.ir-=
33、l (+OCV01 -llCV1. CDSrtRANGEtod.,.UIIe_tion. oCDmec:t COML.tto1Mwound01draMtundertilt. CDToud OCVprobetoNItPoint. ofeach control.COMectorand indicatoriskeyed to a dnwingwhich accompanies the figure. 3-7.OPERATINGPROCEDURES. 3-8.Therearefiveoperating procedures:DCVoltage Measurements,Filllre32;DCCurr
34、ent Measurements, Figure .3;ACVoltage Meaaurements. F;,ure-4;Resi. tance Measurements, Figure31;andMeasuringDCCurrent in Nano-amperes, Figure 3-8. NOTE A.Mofdieto.illrhechopfH asemblyCII7IcausecMn,einchopper que1lClwhichprodu.: *(1l.:t1OIL0aDa0 .v. NOTE .101therwonIlfnOIln1Mcnoppilf.-mblvCM cr.,.inc
35、:hoPP*Nquencywtlk:hproch,lCft lowamplitudeOICiU.torvmOYetNntofthemeter pointtr.Ifthe1Nt_poInnroecill.roUteA3A5 ccwlIndlotdll.UanItoc-. Fi.3-2.Dc:Vo/tago_.romon. 3-1 SectionUJ 3-9.DCVohlttM_lIIlIlats(Figulll3-21. 3-10. The Model 410Cisoonnally Bo.linS;ho_ shortinSbucanbeconnected.ttheDCAMPUFIER OU11U
36、TCOMeclOronthereuPlllel.Wheothe inttrwDenl isBoalins. thoCOMLe.dshouldnol110COMecledto voltaa.Urthan400V de. 3-11.DCCunllltM_lIIlIlIlts(F:J.31. 3-12.GoneralinslnlCtiomfor themeasumneolofde cunenluetheSIIlIOUth_pofordeoll. meuwemenu,Parqraph3-9. 3-11ACVoM.ItI(F3). E:!iJ OMlid.oftdmolt.0powerdUtrlbtul
37、on systmuirrowrded.Utrt1M_ttontbe IUtdIfdirt_tofpowe11M roIrqaum.mpted./f1MrowrddipI.tII ntlll1yCOlflltCtldtodI.IIIIfOIUIdtdlid. ofdI.h.,eretUntqrtodIt4/OCu poutbkbeaJlUtofdItIirortclmlita.red. Powe,11M1101,.,._bestbemeaundby lUinItlr.probetip,!y.CctJttinItIrt oundtdpowtfcottdueto,willflY.tint of0Iw
38、lrlJ.con*tinItMUIfIOundtd1_ willtiNfull1101,.,.ffall1rIJ .u. I CDDo_IM.C_.I.-._nl. CDSotFUNCTIONSELECTOIlIII_.,_t+OCA .-DCAI. eDSot .NGEtoIIirod._don. Mlldel4lOC 3-14. A1thoUJh the Model 410C indicat.fullscaleIlC rillof500V,the optional Model 1103MACProbe shouldootbeconnecudtoICvoltaa.inexce.of300V
39、tmI.N:.voIlIF.fe,oed10devolta.maybe meuurod,bultheACProbeclip(alliptortype)mwlbe ccnnecudtothe sroWld(T)ofthe drcu.il under Usl. E:!iJ .IICrtfmnctdtodc,dItptolc IICroI,.,.p/Jutk,I,.,.CONtttdtotire probemult1tOtaCffd420V. 3-15.,-u.WlIftM_riatACVoIIItL 3-16.SpociaICClDIidenlionlmust110bptInmindwhen ma
40、JdnSICvoItap-.remenu.The.COIlJidollllionsare cIiac.cIinthe fonOlrilll ,.17.GotwoICon,ld.donofComploxWavaforma.w . formscoollininJapprociabloIwmonicaor Ipwiousvolt- .willintroduce orrorillthometer indicationsincethe meierhuboonCllibratedtoreo4tmIvaluesof!nI.sine .whiletheModel1I036AProbeispeak-ZEROto
41、r.:r.o5ftdk:8donOft.,. 0 Aeed.:.,.on.VOLf$.AMPS.NOTE:When RANGEiaon1fw0.1 V.1.1 V_lions.,.,.me* 1 SotRANGE._._ _. ofCom.I.W.nfonno. .lilOiNcTNtRMS VeI.-Vol.lnidicMlofl 0100100 101 20d100.11010 _2. 1C12 10120 520d11271lao 101100.510to110 = 1C1217120 112101to1SO 3.VoIUiIIMo_nllatF_cioIBalow 110Hor1z.V
42、ol.lIlI ( :r,-0.DD0 1OI1Cl. DConnteteMDCV I.toVIecRullu,.t.,t. oContwatheCOMJqdtotMcircuitundert-.t. o-:Ii.lCHIIftPerO.fromtMmetlWonIheVOLTS-AMPS .(taptwoonfMtIrJwhidClllIIIIII:nd.to1M. -. 37 MocIel41OC SectionIV SECTIONIV THEORYOFOPERATION 4-1.OVERALLDESCRlmON. 4-2.TheMocI.141OCincludes an input ne
43、twork, am04w. tor_pUlie,4emodulator,IIId a meter clraaiLAblock diqramoftheModel 41ex:isownin Fiawe 4-1. 4.J.Slanalstobemtullled.appUecltbroupthe oppropriareinputleadtotheinputn.twork.1OllapI aredetected intheACProbe,and thereforeallsiplals to theinputnetworku.de.Th.input network anenuateathe cIclien
44、alto a1.1d.termiDed byRANGEandFUNCtlON SELECTORsettinp.Theattonuated de1011.iIappUecl todiemocllllatorwhidlcon.rtathedetoIe(or ampIifiCltioll.TheampIi1iodIesilPlI1iIconvertedbidto deooltapinthedemocIulator and coupledtocathode followe,VIB.Thecathode(000.outputtotheDC AMPUFIEROUY1UTconnecto,andm.t.,c
45、lraal1isI de I01tap proportionaltotheempIitudcoftheIi,-.oL .,;- ? .as ., L.IAOS . IILICTG OCIlQOlA.ATOR.- . 0WlWIIl , -.r-. s. on_ ,. WI.WI YA,QIeOIva , .-_. e._. 10.-ur1.,. , 0.0 OUTIlUT W 1 I0Il1 E!iiI., ILlc:TOII . r , , , 0 , . , ICfU: 0 0 .LIn, GolJilUlTtWo 0 1tOMCJC , . 0 0, ., 0 . , . -_., o
46、_-J Fltu.4-1.BlockDI_.Model.1oc. 4-1 Section IV 4-1.DCVolute.11.RefertoFi.$-17 throulhoutthis explanation. The plllpoaeoftile input networkistoac:u.rItelyatnUite tIla inputIi resiltonA2RIand A2R2areliIortedoutin tileXIOM ron.The rolistora A2R2 and/orA2RIueelectrl.aIIy removedfromthe cirouit toincr_t
47、he Ita.at tile junctionofA2R22andA2R23.1hiaisdone tocompeaute fortheloaclinaordieamUitor(A2R4, AJR30, and AIR2)onthese r. Model41OC 4-15.ACVoIUge_11.RefertoFilure$.19 throuahoutthisexplanation.VoitapattheACprobeis COllvertedtocIeandappliedtotheinputnetwork.lbe inputIideB+totho platesofAJVIB andAJVIA
48、.respec- tively. ZeoerIulItonA7CR6 and CR7providerqu1ated +38Vancl-9 V tobillAJQIIIld AJQ2. FOterinlof111. outpullisprovidedbYtheRCnetworkconsistlnlofA7RI tbroulbA7R3 and C5A lbrouabC50. 603CI.StriooR.,-tadPowws.PIY.Theoutputo(the (IllJWIYOnctifierCRJand CR4isrqu1mdbytransistor QI.whichiscoDDletedinJOrioswiththeoutputZener diodeA7CRSprovid.re(mnoevolt.tothebueo(QI. haulaltd+6 VissupplJedt
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