Fluke Welder 787 Manual de usuario

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Indice de contenidos

Pagina 1 - Users Manual

®787ProcessMeterUsers ManualApril 1997, Rev.3, 12/01© 1997, 1898, 2000, 2001 Fluke Corporation, All rights reserved. Printed in U.S.A.All product name

Pagina 2

787Users Manual6Getting Acquainted with the MeterTo become familiar with the features and functions of themeter, study the following figures and table

Pagina 3 - Table of Contents

ProcessMeterGetting Acquainted with the Meter7Table 2. Input/Output JacksItem Jack Measurement Functions Source CurrentFunctionSimulate TransmitterFun

Pagina 4

787Users Manual8435126OFFmAmA AmAmVVVOUTPUTee002f.epsFigure 3. Rotary Switch Positions for Measurements

Pagina 5

ProcessMeterGetting Acquainted with the Meter9Table 3. Rotary Switch Positions for MeasurementsNo. Position Function(s) Pushbutton ActionsA OFFMeter o

Pagina 6 - Safety Information

787Users Manual10OFFmAmA AmAmVVVOUTPUT21ee008.epsFigure 4. Rotary Switch Positions for mA Output

Pagina 7

ProcessMeterGetting Acquainted with the Meter11Table 4. Rotary Switch Positions for mA OutputNo. Position Default Function Pushbutton ActionsA OUTPUT[

Pagina 8

787Users Manual1223154678MIN MAX RANGE HOLD HREL Hz% STEP COARSE FINEee003f.epsFigure 5. PushbuttonsTable 5. PushbuttonsNo. Pushbutton Function(s)Ab

Pagina 9 - How to Get Started

ProcessMeterGetting Acquainted with the Meter13Table 5. Pushbuttons (cont.)No. Pushbutton Function(s)CXM% STEPMeasuring: Selects a MIN, MAX, or AVG ac

Pagina 10 - + +

787Users Manual141532486 79101211ee004f.epsFigure 6. Elements of the Display

Pagina 11 - ProcessMeter

ProcessMeterGetting Acquainted with the Meter15Table 6. DisplayNo. Element MeaningA Percentage displayShows the mA measured value or output level in %

Pagina 12

LIMITED WARRANTY & LIMITATION OF LIABILITYThis Fluke product will be free from defects in material and workmanship for three years from the date o

Pagina 13 - High test lead in

787Users Manual16Table 6. Display (cont.)No. ElementMeaningJ mA, DC, mV, AC,M or kΩ, kHzShow the input or output units and multipliers associated with

Pagina 14

ProcessMeterMeasuring Electrical Parameters17Measuring Electrical ParametersThe proper sequence for taking measurements is asfollows:1. Plug the test

Pagina 15

787Users Manual18Testing DiodesTo test a single diode:1. Insert the red test lead into the Vjack andblack test lead into the COM jack.2. Set the rot

Pagina 16

ProcessMeterMeasuring Electrical Parameters19Using TouchHoldNoteYou must have MIN MAX recording off to useTouchHold.! WarningTo avoid possible electri

Pagina 17

787Users Manual20Using the Current Output FunctionsThe meter provides steady, stepped, and ramped currentoutput for testing 0-20 mA and 4-20 mA curren

Pagina 18

ProcessMeterUsing the Current Output Functions21OFFAmACOMV1000V30mAFUSED0.44A(1A /30 sec)FUSEDmAmA AmAOUTPUT 0-24mA SOURCE SIMULATE+ +% ST

Pagina 19

787Users Manual22Simulate ModeSimulate mode is so named because the meter simulatesa current loop transmitter. Use simulate mode when anexternal dc vo

Pagina 20

ProcessMeterUsing the Current Output Functions23OFFAmACOMV1000V30mAFUSED0.44A(1A /30 sec)FUSEDmAmA AmAOUTPUT 0-24mA SOURCE SIMULATE+ +% ST

Pagina 21 - Measuring a Composite Signal

787Users Manual24Producing a Steady mA OutputWhen the rotary switch is in the OUTPUT [ mA position,and the OUTPUT jacks are connected to an appropria

Pagina 22 - Testing Diodes

ProcessMeterUsing the Current Output Functions25Manually Stepping the mA OutputWhen the rotary switch is in the OUTPUT [ mA position,and the OUTPUT j

Pagina 23 - ! Warning

iTable of ContentsTitle PageIntroduction...

Pagina 24 - Source Mode

787Users Manual26Table 10. mA Step ValuesStep Value (for each span setting)4 to 20 mA 0 to 20 mA0% 4.000 mA 0.000 mA25% 8.000 mA 5.000 mA50% 12.000 mA

Pagina 25

ProcessMeterPower-Up Options27Power-Up OptionsTo select a power-up option, hold down the pushbuttonshown in Table 11 while turning the rotary switch f

Pagina 26 - Changing the Current Span

787Users Manual28Battery LifeWWarningTo avoid false readings, which could lead topossible electric shock or personal injury,replace the battery as soo

Pagina 27

ProcessMeterMaintenance29Holster with Flex-Stand bentHolster withFlex-Stand extendedHolster with probe in clipHolster with Flex-Stand looped over wall

Pagina 28 - Producing a Steady mA Output

787Users Manual30Replacing the Battery! WarningTo avoid electrical shock, remove test leadsfrom the meter before you open the batterydoor.Close and la

Pagina 29

ProcessMeterMaintenance31Replacing a Fuse! WarningTo avoid personal injury or damage to themeter, use only the specified replacementfuse, 440 mA 1000V

Pagina 30 - Auto Ramping the mA Output

787Users Manual32If the Meter does not Work• Examine the case for physical damage. If there isdamage, make no further attempt to use the meter,and co

Pagina 31 - Power-Up Options

ProcessMeterReplacement Parts and Accessories33Replacement Parts and Accessories! WarningTo avoid personal injury or damage to themeter, use only the

Pagina 32 - Maintenance

787Users Manual34Table 13. Replacement PartsItem Description Fluke PN or Model no. QuantityBT1 9V battery, ANSI/NEDA 1604A or IEC 6LR61 614487 1CG81Y

Pagina 33

ProcessMeterReplacement Parts and Accessories35F2F1MP8H2, 3, 4BT1H5, 6MP85MP86 HolsterCG81YAC70AAlligator Clips TL20 (Option) Industrial Test Lead Set

Pagina 34

787Users ManualiiSimulate Mode ... 22Changing t

Pagina 35

787Users Manual36SpecificationsAll specifications apply from +18°C to +28°C unlessstated otherwise.All specifications assume a 5 minute warmup period.

Pagina 36 - If the Meter does not Work

ProcessMeterSpecifications37DC Millivolts MeasurementRange (mV dc) Resolution Accuracy (% of Reading + Counts)400.0 0. 1 mV 0.1% + 1AC Volts Measureme

Pagina 37

787Users Manual38AC Current MeasurementRange45 Hz to 2 kHzResolution Accuracy, ±(% of Reading + Counts) Typical BurdenVoltage1.000A (Note) 0.001A 1% +

Pagina 38

ProcessMeterSpecifications39Ohms MeasurementRange Resolution Measurement Current Accuracy, ±(% of Reading + Counts)400.0Ω 0. 1Ω 220 µA 0.2% + 24.000 k

Pagina 39

787Users Manual40Frequency Counter AccuracyRange Resolution Accuracy, ±(% of Reading + Counts)199.99 Hz 0.01 Hz 0.005% + 11999.9 Hz 0.1 Hz 0.005% + 11

Pagina 40 - Specifications

ProcessMeterSpecifications41Diode Test and Continuity TestDiode test indication: display voltage drop: 0.2 mAnominal test current at 0.6V: 2.4V full s

Pagina 41 - AC Volts Measurement

787Users Manual42Vibration: Random 2g, 5 to 500 HzShock: 1 meter drop testWater and dust protection: Complies with IEC529 IP52(normal operating vacuum

Pagina 42 - DC Current Measurement

43Index—A—AutoRamping, 17, 26Ranging, 17Stepping, 17—B—BatteryReplacement, 30Buttons, 12—C—Calibrating the meter, 28Compensating for test lead resista

Pagina 43 - Ohms Measurement

787Users Manual44—F—Flex-Stand, 28Freezing a reading (TouchHold), 19Fuse, checking and replacing, 31—H—Holster, 28—I—Input/Output jacks, 7—J—Jacks, 7—

Pagina 44 - Frequency Counter Sensitivity

Index (continued)45—R—RangeAuto, 17Locking, 17Ranges, 17Relative reading, 19Rotary switch positions, 9, 11—S—Safety information, 2Screen, 15Service an

Pagina 45 - General Specifications

1ProcessMeterIntroductionWWarningRead “Safety Information” before you use themeter.Your Fluke 787 ProcessMeter (referred to as “themeter”) is a handh

Pagina 46

787Users Manual46

Pagina 47

787Users Manual2Address correspondence to:Fluke Corporation Fluke Europe B.V.P.O. Box 9090, P.O. Box 1186,Everett, WA 98206-9090 5602 BD EindhovenUS

Pagina 48

ProcessMeterSafety Information3• Make sure the battery door is closed andlatched before you operate the meter.• Remove test leads from the meter bef

Pagina 49

787Users Manual4Table 1. International SymbolsSymbol Meaning Symbol MeaningAlternating current Earth groundDirect current FusecAlternating or direct c

Pagina 50

ProcessMeterHow to Get Started5How to Get StartedIf you are familiar with the Fluke 80 Series DMM, read“Using the Current Output Functions,” review th

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