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Fluke 1740 Series
Three-Phase Power Quality Loggers Memobox
Technical Data
Assess power quality and conduct long-term studies with ease
Compact and rugged, the Fluke 1740 Series three-phase power quality loggers are everyday instruments for technicians who troubleshoot and analyze power distribution systems. Capable of simultaneously logging up to 500 parameters for up to 85 days and capturing events, the Fluke 1740 Series helps uncover intermittent and hard-to-find power quality issues. The included PQ Log software quickly assesses the quality of power at the service entrance, substation, or at the load, according to the latest EN50160 standard.
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Plug and play: Setupinminuteswithautomaticcurrentprobedetectionandpowering Installs inside the cabinet:Compact,fully- insulatedhousingandaccessoriesfiteasily intightspaces,nexttolivepower Determines the root cause:IncludedPQLog softwarequicklyanalyzestrends,creates statisticalsummaries,andgeneratesdetailed graphsandtables Monitors power for the long-term:Data canbedownloadedduringrecordingwithout interruption Measure voltage with premium accuracy: IEC61000-4-30Class-Acompliantvoltage accuracy(0.1%) Quickly validate quality of power:Assess powerqualityaccordingtoEN50160power qualitystandard,withstatisticaloverview Rugged and reliable:Designedforeveryday fielduse,withnomovingpartsanddurable, insulatedcase,withtwoyearwarranty

Applications
Disturbance analysis--Uncoverrootcauseof equipmentmalfunctionforlatermitigationand predictivemaintenance Quality of service compliance--Validate incomingpowerqualityattheserviceentrance Power quality studies--Assessbaselinepower qualitytovalidatecompatibilitywithcritical systems,beforeinstallation Load studies--Verifyelectricalsystemcapacity beforeaddingloads Energy and power quality assessment-- Validateperformanceoffacilityimprovements byquantifyingenergyconsumption,powerfactor, andgeneralpowerquality,beforeandafter, improvements
Plug and play
Allthree1740Seriesloggersfeatureeasyplugand playsetup,forimmediateuse.Thecurrentprobes areconnectedtotheloggerwithasingleplug.The instrumentautomaticallydetects,scales,andpowerstheprobesusinglinepowerfromthemeasured voltages.Allaccessoriesareindividuallycalibrated andcanbesharedwithmultipleFluke1740series loggers.Onceitisconnected,loggingbeginswith thetouchofasinglebutton!
Electrical shock protection
TheFluke1740loggersfeaturedoubleinsulated enclosuresandaccessoriestohelppreventelectrical shockwhencomingintocontactwithblanketbus bars,terminals,orcables.Theyarealsodesignedto meetthestringentsafetystandardsforusein600V CATIIIand300VCATIVenvironments.
Loggers for every application
TheportableFluke1740Seriespowerqualityloggersaredesignedforeasyinstallationanduse,anywhereinlow-andmedium-voltageapplications.Therearethree modelstochoosefromtomeetyourbasicoradvancedpowerloggingneeds: Fluke 1743:IP65water-proofmodelforloggingthemostcommonpowerparametersincludingV,A,W,VA,VAR,PF,energy,flicker,voltageevents,andTHD. Fluke 1744:IncludesthesamefeaturesastheFluke1743.Inadditiontocommon powerparameters,theFluke1744alsomeasuresvoltageandcurrentharmonics, interharmonics,mainssignaling,unbalance,andfrequency. Fluke 1745:AdvancedIP50powerqualityloggerwiththesamemeasurement capabilityasthe1744,plusreal-timeLCDandfivehourUPS.
Power quality logger selection table
1745 Measurement of common power parameters: V, A, W, VA, VAR, PF, energy, flicker, voltage events, and THD Measurement of voltage and current harmonics to the 50th, unbalance, and mains signaling Dust/water resistance Display UPS ride-through Dimensions (HxWxD) 1744 1743
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IP50 LED+LCD 5hrs 8mmx16mmx74mm (11.5inx8.8inx3in)
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IP65waterproof LED 3s
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LED 3s
170mmx15mmx55mm (6.9inx5.1inx.in)

Measure all power quality and power parameters
TheFluke1745andFluke1744logover500 differentparametersforeachaveragingperiod.This allowsyoutoanalyzepowerqualityindetailand tocorrelateintermittentevents,helpingtoidentify therootcauseofdisturbances.Forbasicpower logging,theFluke1743capturesallrelevantpower parameters.
Calculates current harmonics
Fluke1745andFluke1744loggerscancalculate thelimitsofcurrentharmonicstopredictoverload ofthegridaccordingtothestandardsVSE,VEOE, VDN,amongothers.Thispowerfulpredictivemaintenancefeatureenablescurrentharmonicstobe observedbeforeadistortionappearsinthevoltage.
View graphs and generate reports with Fluke PQ Log software
Withitseasy-to-useinterface,theincludedPQLog softwareassistsyouwithloggersetup,enables youtoverifyactualmeasurementvaluesquickly usingtheonlinefunction,anddownloadsdata fromtheloggertoaconnectedPCoperatingon standardWindows®operatingsystems.Youcan viewtheloggeddataingraphicalandtabular form,exportittoaspreadsheet,orgenerateaprofessionalreportwiththeReportWriterfunction.
Forrootcauseanalysis,differentmeasurementssuchas flicker,voltageandTHDcanbeshowninthesametime plot,helpingtoquicklyidentifythecauseofadisturbance.
StatisticalsummarieslikeEN50160andDISDIPtableprovideaquick, comprehensivesummary.TheEN50160overviewdisplayprovidesasimple displayof8powerqualityparametersononedashboard,accordingtothelatest internationalpowerqualitystandard.
StatisticalanalysisofVoltageandCurrentharmonicsovera giventimeperiod.Redbargraphsindicateissueswiththe grid.Othercolorsarewarningsforpontentialfutureissues. Harmonicscanbepresentedalsoastimeplots.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.com

Specifications General
Intrinsic error Warranty Recalibration interval Quality system Reference conditions Referstothereferenceconditionsandisguaranteedfortwoyears years yearsrecommended developed,designed,andmanufacturedaccordingtoDINISO9001 3°C±K;74°F±K,Vm=30V±10% 50Hz±0.1Hzor60Hz±0.1Hz phasesequenceL1,L,L3 intervallength:10minutes Wyeconnection(L1,L,L3toN) Powersupply:88Vto65Vac
Ambient conditions
Working temperature range Storage temperature range Reference temperature range Relative humidity Housing Environmental protection Safety -10°Cto55°C(14°Fto131°F) -0°Cto60°C(-4°Fto140°F) 3°C±K(74°F±K) Fluke1745:ClassBacc.IEC60654-1 Fluke1744/43:ClassCacc.IEC60654-1 robust,fullyinsulatedhousingandaccessories Fluke1745:IP50asperEN6059 Fluke1744/43:IP65asperEN6059 IEC/EN61010-1600VCATIII 300VCATIV,pollutiondegree Type test voltage doubleinsulation 5.kVrms,50Hz/60Hz,5s
EMC
Emission Immunity IEC/EN6136-1,EN550 IEC/EN6136-1

Voltage and current measurement
Input voltage
Input range VI P-N Input range VI P-P Max. overload voltage Input range selection Connections Nominal voltage VN Input resistance Intrinsic uncertainty Voltage transformer Ratio selection max480Vac max830Vac 1.V I Byjobprogramming P-PorP-N,1-or3-phase 999kVwithPTsandratio App.80kperchan.Lx-NSinglephase(L1orA,LorB,L3orCconnected):app.300k 0.1%ofV I Ratio:<999kV/V I Byjobprogramming
Current input with Flexi-Set
Input ranges I I (L1 or A, L2 or B, L3 or C, N) Measuring range Intrinsic uncertainty Position influence Stray field influence Temperature coefficient Current transformer Ratio selection Connection 15A/150A/1500A/3000Aac 0.75Ato3000Aac <%ofI I Max.±%ofmeasuredvalue­fordistanceconductortomeas.head>30mm <±AacforIext=500Aacanddistancetomeasuringhead>00mm <0.05%/K Ratio999kA/I I Byjobprogramming 3-phase,3-phase+N,phaseL1orAandL3orC(W-meter-method)7poleconnector
Current input for clamp
Input ranges I I (L1 or A, L2 or B, L3 or C, N) Intrinsic uncertainty Max. overload Input resistance Current transformer Ration selection Power configurations 0.5Vnominal(forI I)1.4Vpeak <0.3%ofI I 10Vac App.8.k Ratio999kA/I I Byjobprogramming Delta,-ElementDelta,Wye,SinglePhase,SplitSinglePhase
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.com

Logger
Power supply
Functional Range 88Vto660Vabsolute,50Hz/60Hz 100Vto350Vdc Internalfuse:630mAT Power consumption Ride through 5Watts Fluke1745:Internalbatteryfortyp.>5hoursridethroughwithintelligentpower management Fluke1743/44:3secCapacitor Fuse Powersupplyfusecanbereplacedinservicefacilityonly.Supplycanbeconnectedin paralleltomeasuringinputs(upto660V) LEDsforstatusandvoltagelevels Fluke1745:LC-displaywithbacklightforvoltage,current,activepower,phasesequence. Memory Intervals Events Memory model Interface Dimensions Weight Measurement A/D converter Anti-aliasing filter Frequency response Interval length Averaging time for Min/max values Time base 16bit,samplerate:10.4kHz FIR-Filter,fC=4.9kHz Uncertainty<1%ofVmfor40Hzto500Hz 1,3,5,10,30s,1,5,10,15,60minutes ½,1mainsperiod,00ms,1,3,5s Resolution:10ms(at50Hz),deviation:s/dayat3°C±°C(74°F±°F) Capacity8MBFlash-EPROM Afunction>1,000intervalsfor>85dayswith10minintervals Pfunction>30,000intervalsfor>1dayswith10minintervals >13,000 Linearorcircular USBandRS3,9600to115,000Baud,automaticBaudrateselection,3-wire communication Fluke1745:8mmx16mmx74mm(115inx88inx33in) Fluke1743/44:170mmx15mmx55mm(69inx51inxin) Fluke1745:approx.3kg(6.5lb) Fluke1743/44:approx.kg(435lb)
Display, indicators

Optional accessories
Current probes
Model MBXCLAMP 1A/10A+N MBXCLAMP 5A/50A+N MBXCLAMP 0A/00A+N Clamp Set Uncertainty Jaw Opening <15mm(0.59in)diameteror15x17 (0.59inx0.67in)mmbushbars <15mm(0.59in)diameteror15x17 (0.59inx0.67in)mmbushbars <15mm(0.59in)diameteror15x17 (0.59inx0.67in)mmbushbars Category Rating 300VCATIV 600VCATIII 300VCATIV 600VCATIII 300VCATIV 600VCATIII 3-phase+Ncurrentclampswith <±0.5%ofrdg ranges1A/10A,mcable Phaseangleerror<1° 3-phase+Ncurrentclampswith <±0.5%ofrdg ranges5A/50A,mcable Phaseangleerror<1° 3-phase+Ncurrentclampswith <±0.5%ofrdg ranges0A/00A,mcable Phaseangleerror<1°
Misc accessories
MBX 300 POLESET C435 Polemountingkitfor1743and1744 Water-tighthardcasewithrollers
Fluke1744/43
Fluke1745
All instruments include · 4Flexibleprobes15/150/1500/3000Awithmcable · PQLogsoftware · RS3interfacecableandRS3-USBadapter · 4blackdolphinclips · Testleadsforvoltagesandpowersupply · Colorlocalizationkit · Carryingbag · Testcertificatewithmeasurementvalues · PrintedEnglishmanual · Multi-languagemanualCD Ordering information
FLUKE-1743 FLUKE-1744 FLUKE-1745 PowerQualityLogger­Memobox PowerQualityLogger­Memobox PowerQualityLogger­Memobox
  
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