Fluke 725 Manual de usuario

Busca en linea o descarga Manual de usuario para Instrumentos de medición Fluke 725. Fluke 725 User Manual Manual de usuario

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®
725
Multifunction Process Calibrator
Users Manual
October, 1998 Rev.3, 5/04
© 1998-2004 Fluke Corporation, All rights reserved.
All product names are trademarks of their respective companies.
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Indice de contenidos

Pagina 1 - Users Manual

® 725 Multifunction Process Calibrator Users Manual October, 1998 Rev.3, 5/04 © 1998-2004 Fluke Corporation, All rights reserved. All product na

Pagina 2

725Users Manualviii18. Connections for Sourcing Pressure... 3619.

Pagina 3 - Table of Contents

1Multifunction Process CalibratorIntroductionYour Fluke 725 Multifunction Process Calibrator (referredto as “the calibrator”) is a handheld, battery-o

Pagina 4

725Users Manual2Table 1. Summary of Source and Measure FunctionsFunction Measure Sourcedc V 0 V to 30 V 0 V to 10 Vdc mA 0 to 24 mA 0 to 24 mAFrequenc

Pagina 5 - Contents (continued)

Standard Equipment3Standard EquipmentThe items listed below and shown in Figure 1 are includedwith your calibrator. If the calibrator is damaged orsom

Pagina 6

725Users Manual4W WarningTo avoid possible electric shock or personal injury:• Do not apply more than the rated voltage, as marked on the calibrator,

Pagina 7 - List of Tables

Safety Information5 W Warning• When using a pressure module, make sure the process pressure line is shut off and depressurizedbefore you connect it o

Pagina 8

725Users Manual6100%25%25%RECALLSTORESETUP0%StackableTest LeadsTL75Test Lead SetAC72Alligator ClipsVmAMEASURESOURCE / MEASURE30V MAX ALL TERMINALS4W3W

Pagina 9 - List of Figures

Safety Information7Table 2. International SymbolsAC - Alternating current Double insulatedDC - Direct current BatteryEarth ground Refer to the manual

Pagina 10

725Users Manual8Getting Acquainted with the CalibratorInput and Output TerminalsFigure 2 shows the calibrator input and output terminals.Table 3 expla

Pagina 11 - Contacting Fluke

Getting Acquainted with the Calibrator9Table 3. Input/Output Terminals and ConnectorsNo Name DescriptionAPressure moduleconnectorConnects the calibrat

Pagina 12

LIMITED WARRANTY AND LIMITATION OF LIABILITYEach Fluke product is warranted to be free from defects in material and workmanship under normal use and s

Pagina 13 - Safety Information

725Users Manual10KeysFigure 3 shows the calibrator keys and Table 4 explainstheir use.V mALOO PV mATC RTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORE

Pagina 14 - W Warning

Getting Acquainted with the Calibrator11Table 4. Key FunctionsNo Name DescriptionA O Turns the power on or off.B l Selects voltage, mA or Loop Power m

Pagina 15

725Users Manual12Table 4. Key Functions (cont.)No Name DescriptionL LCycles through : Slow repeating 0 % - 100 % - 0 % ramp Fast repeating 0 % - 100 %

Pagina 16 - Figure 1. Standard Equipment

Getting Acquainted with the Calibrator13DisplayFigure 4 shows the elements of a typical display.Low BatterySymbolLoopAnnunciatorMemory Locationsfor Ca

Pagina 17

725Users Manual14Getting StartedThis section acquaints you with some basic operations ofthe calibrator.Proceed as follows to perform a voltage-to-volt

Pagina 18 - Input and Output Terminals

Shut Down Mode15V mALOOPV mATCRTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULTIFUNCTION CALIBRATOR725sh39f.epsFigure 5. Voltage-to-Voltage

Pagina 19

725Users Manual16Contrast AdjustmentNoteAvailable with V2.1 Firmware or greater. Toidentify firmware version, press and hold Jwhen powering up. The fi

Pagina 20 - Figure 3. Keys

Using Measure Mode17Using Measure ModeMeasuring Electrical Parameters (Upper Display)To measure the current or voltage output of a transmitter,or to m

Pagina 21

725Users Manual18RedTEST DC PWR+–+––+BlackV mALOO PV mATC RTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULTIFUNCTION CALIBRATOR725sh18f.eps

Pagina 22 - No Name Description

Using Measure Mode19Measuring Electrical Parameters (Lower Display)To measure the electrical parameters using the lowerdisplay, proceed as follows:1.

Pagina 23

iTable of ContentsTitle PageIntroduction...

Pagina 24 - M for SOURCE mode (lower

725Users Manual20Measuring TemperatureUsing ThermocouplesThe calibrator supports ten standard thermocouples,including type E, N, J, K, T, B, R, S, L,

Pagina 25 - Shut Down Mode

Using Measure Mode21Table 5. Thermocouple Types AcceptedType Positive LeadPositive Lead (H)Color Negative Lead Specified RangeMaterialANSI* IEC**Mater

Pagina 26 - MULTIFUNCTION CALIBRATOR

725Users Manual22VmAMEASURESOURCE / MEASURE30V MAX ALL TERMINALS4W3WVHzRTD mA+mA-TCCOM COMLOOPProcess TemperatureWarning 30 V maximum to TCTC Miniplu

Pagina 27

Using Measure Mode23Using Resistance-Temperature Detectors (RTDs)The calibrator accepts RTD types shown in Table 6. RTDsare characterized by their res

Pagina 28

725Users Manual24Table 6. RTD Types AcceptedRTD Type Ice Point (R0) Material α Range (°C)Pt100 (3926) 100 Ω Platinum 0.003926 Ω/°C -200 to 630Pt100 (3

Pagina 29 - M for MEASURE mode (lower

Using Measure Mode25RTDResistanceto bemeasuredRTDRTD2W3W4WVmAMEASURESOURCE / MEASURE30V MAX ALL TERMINALS4W3WVHzRTD mA+mA-TCCOM COMLOOPVmAMEASURESOURC

Pagina 30 - M for MEASURE mode

725Users Manual26Measuring PressureMany ranges and types of pressure modules are availablefrom Fluke. See “Accessories” near the back of thismanual. B

Pagina 31

Using Measure Mode27To avoid damaging the pressure module fromoverpressure, never apply pressure above therated maximum printed on the pressuremodule.

Pagina 32 - 30 V maximum to

725Users Manual28DifferentialModuleTankHLIsolationValveGageModuleV mALOO PV mATC RTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULTIFUNCTION

Pagina 33

Using Source Mode29Using Source ModeIn SOURCE mode, the calibrator generates calibratedsignals for testing and calibrating process instruments;supplie

Pagina 34

725Users ManualiiUsing Thermocouples... 20Using Resistance-Tem

Pagina 35 - Using Measure Mode

725Users Manual30LoopPowerSupplyReadout orController+24 VBlackRed+–V mALOO PV mATC RTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULTIFUNCTIO

Pagina 36 - Differential

Using Source Mode31VmAMEASURESOURCE / MEASURE30V MAX ALL TERMINALS4W3WVHzRTD mA+mA-TCCOM COMLOOPVmAMEASURESOURCE / MEASURE30V MAX ALL TERMINALS4W3WVHz

Pagina 37 - A to change pressure

725Users Manual32Simulating ThermocouplesConnect the calibrator TC input/output to the instrumentunder test with thermocouple wire and the appropriate

Pagina 38

Using Source Mode33TEST DC PWR++––+Color dependson type of TCV mALOO PV mATC RTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULTIFUNCTION CAL

Pagina 39 - Mfor SOURCE mode

725Users Manual34V mALOOPV mATCRTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULTIFUNCTION CALIBRATOR725BLACKSENSOR TERMINALSBLACKRED1234sh4

Pagina 40

Using Source Mode35Sourcing PressureThe calibrator sources pressure by measuring pressuresupplied by a pump or other sources, and displaying thepressu

Pagina 41 - Using Source Mode

725Users Manual361. Connect a pressure module to the calibrator asshown in Figure 18. The threads on the pressuremodules accept standard ¼ NPT pipe f

Pagina 42

Setting 0 % and 100 % Output Parameters37Setting 0 % and 100 % OutputParametersFor current output, the calibrator assumes that 0 %corresponds to 4 mA

Pagina 43

725Users Manual38Auto Ramping the OutputAuto ramping gives you the ability to continuously apply avarying stimulus from the calibrator to a transmitte

Pagina 44

Calibrating a Transmitter39Calibrating a TransmitterUse the measurement (upper display) and source (lowerdisplay) modes to calibrate a transmitter. Th

Pagina 45 - WWarning

Contents (continued)iiiExternal Fluke Pressure Module Compatibility ... 53Specifications...

Pagina 46 - U to change pressure

725Users Manual40RedTEST DC PWR+–+––+BlackV mALOO PV mATC RTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULTIFUNCTION CALIBRATOR725sh44f.eps

Pagina 47

Calibrating a Pressure Transmitter41Calibrating a Pressure TransmitterThe following example shows how to calibrate a pressuretransmitter.Connect the c

Pagina 48 - Storing and Recalling Setups

725Users Manual42Hand PumpSIGNALTEST+–PressureModuleRedBlackMeasure mASource Pressure 24 V Loop PowerEnabled MULTIFUNCTION CALIBRATOR725V mALOO PV

Pagina 49

Calibrating an I/P Device43Calibrating an I/P DeviceThe following test allows you to calibrate a device thatcontrols pressure. Proceed as follows:1.

Pagina 50

725Users Manual44SIGNALTEST+–PressureModuleRedBlackMeasurePressureSource mAV mALOO PV mATC RTD˚C ˚FHz100%25%25%RECALLZEROMEASSOURCESTORESETUP0%MULT

Pagina 51

Testing an Output Device45Testing an Output DeviceUse the source functions to test and calibrate actuators,recording, and indicating devices. Proceed

Pagina 52

725Users Manual46Remote Control CommandsYou can control the calibrator remotely from a PC runninga terminal emulator program. The remote controlcomman

Pagina 53

Remote Control Commands47Table 8B. Remote Control Lower Display (cont)Serial Input Descriptionk KHz sourceH Hz measurementh Hz sourceP CPM measurement

Pagina 54

725Users Manual48Table 8B. Remote Control Lower Display (cont)Serial Input Description0-9 Enter a source value using ascii characters 0,1,2,...9,-,.te

Pagina 55

Replacing the Batteries49Replacing the BatteriesWWarningTo avoid false readings, which could lead topossible electric shock or personal injury,replace

Pagina 57

725Users Manual50Battery andCompartmentFuseCompartmentsh38f.epsFigure 23. Replacing the BattteriesMaintenanceCleaning the CalibratorW WarningTo avoid

Pagina 58

Maintenance51pack the calibrator securely, using the original shippingcontainer if it is available. Send the equipment postagepaid and insured, to the

Pagina 59 - Replacing the Fuses

725Users Manual52186691910121321820173453716111415212322zi45f.epsFigure 24. Replacement Parts

Pagina 60 - Maintenance

Accessories53AccessoriesFor more information about these accessories and theirprices, contact your Fluke representative. PressureModules and Fluke mod

Pagina 61 - Replacement Parts

725Users Manual54Table 11. Pressure ModulesFluke Model Number Range Type and MediaFluke-700P00 0 to 1” H2O differential, dryFluke-700P01 0 to 10” H2O

Pagina 62 - Figure 24. Replacement Parts

Accessories55Table 11. Pressure Modules (cont.)Fluke Model Number Range Type and MediaFluke-700P29 0 to 3,000 psi gage, wetFluke-700P30 0 to 5,000 psi

Pagina 63 - Accessories

725Users Manual56SpecificationsSpecifications are based on a one year calibration cycleand apply from +18 °C to +28 °C unless stated otherwise.All spe

Pagina 64

Specifications57DC mA Measurement and SourceRange ResolutionAccuracy,(% of Reading + Counts)24 mA 0.001 mA0.02 % + 2Temperature coefficient -10 °C to

Pagina 65

725 Users Manual 58 Frequency Source Range Resolution Accuracy (% of output frequency) 2.0 to 1000.0 CPM 0.1 CPM ± 0.05 % 1 to 1000 Hz 1 Hz

Pagina 66 - Specifications

Specifications59 Loop Power SupplyVoltage: 24 VMaximum current: 22 mAShort circuit protectedRTD Excitation (simulation)Allowable Excitation by RTD typ

Pagina 67 - Frequency Measurement

vList of TablesTable Title Page1. Summary of Source and Measure Functions... 22.

Pagina 68

725Users Manual60Pressure MeasurementRange Resolution Accuracy UnitsDetermined bypressure module5 digits Determined bypressure modulepsi, inH2O@4 °C,

Pagina 69 - RTD Excitation (simulation)

61Index—0—0% output parameter, setting, 36—1—100% output parameter, setting, 36—4—4 to 20 mA transmittersimulating, 28—A—Accessories, 52Auto ramping o

Pagina 70 - General Specifications

725Users Manual62—K—Key functions (table), 11Keys, 10—L—Loop powersimulating, 28supplying, 16—M—Measure functions, summary (table), 2Measure mode, 16M

Pagina 71

725Users Manualvi

Pagina 72

viiList of FiguresFigure Title Page1. Standard Equipment........................

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