Fluke 789 Manual de usuario

Busca en linea o descarga Manual de usuario para Instrumentos de medición Fluke 789. Fluke 789 User Manual Manual de usuario

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789
ProcessMeter™
Users Manual
August 2002 Rev. 3, 3/13
© 2002-2013 Fluke Corporation, All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
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Indice de contenidos

Pagina 1 - Users Manual

789 ProcessMeter™ Users Manual August 2002 Rev. 3, 3/13 © 2002-2013 Fluke Corporation, All rights reserved. Specifications are subject to change

Pagina 2

789 Users Manual 2 To view, print, or download the latest manual supplement, visit http://us.fluke.com/usen/support/manuals. Safety Information A Warn

Pagina 3 - Table of Contents

ProcessMeter™ Safety Information 3 • Do not use AutoHold to determine if dangerous voltage is present. AutoHold will not capture unstable or

Pagina 4

789 Users Manual 4 Table 1. International Symbols Symbol Meaning Symbol Meaning  Risk of danger. Important information. See Manual.  Hazardous volta

Pagina 5 - List of Tables

ProcessMeter™ How to Get Started 5 How to Get Started If familiar with the Fluke 80 Series DMM, read “Using the Current Output Functions,” rev

Pagina 6

789 Users Manual 6 Getting Acquainted with the Meter To become familiar with the features and functions of the meter, study the following figures and

Pagina 7 - List of Figures

ProcessMeter™ Getting Acquainted with the Meter 7 Table 2. Input/Output Jacks Item Jack Measurement Functions Source Current Function Simulat

Pagina 8

789 Users Manual 8 mAmAmAmAmVVVALOOP POWER250HARTOFF234165 anw002f.eps Figure 3. Rotary Function Switch Positions for Measurements

Pagina 9 - ProcessMeter

ProcessMeter™ Getting Acquainted with the Meter 9 Table 3. Rotary Function Switch Positions for Measurements No. Position Function(s) Pushb

Pagina 10 - Safety Information

789 Users Manual 10 mAmAmAmAmVVVALOOP POWER250HARTOFF231 anw008f.eps Figure 4. Rotary Function Switch Positions for mA Output

Pagina 11 - ProcessMeter™

ProcessMeter™ Getting Acquainted with the Meter 11 Table 4. Rotary Function Switch Positions for mA Output No. Position Default Function P

Pagina 12

LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date

Pagina 13 - How to Get Started

789 Users Manual 12 670%RANGE HOLDRELMIN MAX%STEPCOARSEFINESpanCheckHz100%32191084 5 anw003f.eps Figure 5. Pushbuttons

Pagina 14

ProcessMeter™ Getting Acquainted with the Meter 13 Table 6. Pushbuttons No. Pushbutton Function(s)  K Toggles the backlight (low, high, an

Pagina 15

789 Users Manual 14 Table 6. Pushbuttons (cont.) No. Pushbutton Function(s)G FINE h  Measuring: Toggles between frequency counter and voltage measur

Pagina 16

ProcessMeter™ Getting Acquainted with the Meter 15 1213151434568711211716910 anw004f.eps Figure 6. Elements of the Display

Pagina 17 - ProcessMeter™

789 Users Manual 16 Table 7. Display No. Element Meaning  % (Percentage display) Shows the mA measured value or output level in %, in a 0-20 mA or

Pagina 18

ProcessMeter™ Getting Acquainted with the Meter 17 Table 7. Display (cont.) No. Element Meaning M mA, DC, mV, AC, M or kΩ, kHz Show the input

Pagina 19

789 Users Manual 18 Measuring Electrical Parameters The proper sequence for taking measurements follows: 1. Plug the test leads into the appropriate

Pagina 20

ProcessMeter™ Measuring Electrical Parameters 19 6. The diode is good if it passes the tests in steps 4 and 5. Displaying Minimum, Maximum, a

Pagina 21

789 Users Manual 20 Compensating for Test Lead Resistance Use the relative reading feature (Q on the display) to set the present measurement as a rela

Pagina 22

ProcessMeter™ Using the Current Output Functions 21 mAmAmAmAmVVVALOOP POWER250HARTOFFmAACOMV0%RANGE HOLDRELMIN MAX%STEPCOARSEFINESpanCheckHz10

Pagina 23

i Table of Contents Title Page Introduction ...

Pagina 24

789 Users Manual 22 Simulate Mode Simulate mode is so named because the meter simulates a current loop transmitter. Use simulate mode when an external

Pagina 25

ProcessMeter™ Using the Current Output Functions 23 mAmAmAmAmVVVALOOP POWER250HARTOFFmAACOMV0%RANGE HOLDRELMIN MAX%STEPCOARSEFINESpanCheckHz10

Pagina 26

789 Users Manual 24 Producing a Steady mA Output When the rotary function switch is in the OUTPUT [ mA position, and the OUTPUT jacks are connected to

Pagina 27

ProcessMeter™ Using the Current Output Functions 25 Table 8. mA Output Adjust Pushbuttons Pushbutton Adjustment X R COARSE Adjusts up 0.1 mA

Pagina 28 - Source Mode

789 Users Manual 26 Table 9. mA Stepping Pushbuttons Pushbutton Adjustment X M % STEP Adjusts up to the next higher 25 % step % STEP G W Adjusts down

Pagina 29

ProcessMeter™ Power-Up Options 27 When the rotary function switch is in the OUTPUT Ymonp position, and the output jacks are connected to an ap

Pagina 30 - Changing the Current Span

789 Users Manual 28 Table 11. Power-Up Options Option Pushbutton Default Action Taken Change current span 0 % setting R Remembers last setting Toggl

Pagina 31

ProcessMeter™ Loop Power Supply Mode 29 Loop Power Supply Mode The Loop Power Supply Mode can be used for powering up a process instrument (tr

Pagina 32 - Producing a Steady mA Output

789 Users Manual 30 RedTEST DC PWR+–+––+BlackmAmAmAmAmVVVALOOP POWER250HARTOFFmAACOMV0%RANGE HOLDRELMIN MAX%STEPCOARSEFINESpanCheckHz100%789PROCESSMET

Pagina 33

ProcessMeter™ Battery Life 31 Battery Life Warning To avoid false readings, which could lead to possible electric shock or personal injury, r

Pagina 34 - Auto Ramping the mA Output

789 Users Manual ii Power-Up Options ... 27

Pagina 35 - Power-Up Options

789 Users Manual 32 Replacing the Batteries ! Warning To avoid electrical shock: • Remove test leads from the meter before opening the battery door.

Pagina 36 - G Enabled Disables beeper

ProcessMeter™ General Maintenance 33 F2F1 anw037.eps Figure 11. Replacing the Batteries and Fuses

Pagina 37 - Loop Power Supply Mode

789 Users Manual 34 Replacing a Fuse ! Warning To avoid personal injury or damage to the meter, use only the specified replacement fuse, 440 mA 1000 V

Pagina 38

ProcessMeter™ Replacement Parts and Accessories 35 If the meter still does not work, contact a Fluke Service Center. If the meter is under war

Pagina 39 - Warning

789 Users Manual 36 1826172223302719292824252021941256810732161514 13111 anw005f.eps Figure 12. Replacement Parts

Pagina 40 - ! Warning

ProcessMeter™ Replacement Parts and Accessories 37 Table 13. Replacement Parts Item Number Reference Designator Description Fluke PN or Model

Pagina 41

789 Users Manual 38 Table 13. Replacement Parts (continued) Item Number Reference Designator Description Fluke PN or Model no. Quantity Q MP50 Shoc

Pagina 42

ProcessMeter™ Specifications 39 Specifications All specifications apply from +18 °C to +28 °C unless stated otherwise. All specifications assu

Pagina 43

789 Users Manual 40 DC Millivolts Measurement Range (mV dc) Resolution Accuracy, ±(% of Reading + Counts) 400.0 0.1 mV 0.1 % + 2 AC Volts Measurem

Pagina 44

ProcessMeter™ Specifications 41 AC Current Measurement Range 45 Hz to 2 kHz Resolution Accuracy, ±(% of Reading + Counts) Typical Burden Volta

Pagina 45

iii List of Tables Table Title Page 1. International Symbols ...

Pagina 46

789 Users Manual 42 Ohms Measurement Range Resolution Measurement Current Accuracy, ±(% of Reading + Counts) 400.0 Ω 0.1 Ω 220 μA 0.2 % + 2 4.000 kΩ

Pagina 47 - Specifications

ProcessMeter™ Specifications 43 Frequency Counter Accuracy Range Resolution Accuracy, ±(% of Reading + Counts) 199.99 Hz 0.01 Hz 0.005 % +

Pagina 48 - AC Volts Measurement

789 Users Manual 44 Diode Test and Continuity Test Diode test indication ... Displays voltage drop across dev

Pagina 49

ProcessMeter™ Specifications 45 General Specifications Maximum voltage applied between any jack and earth ground ...

Pagina 50 - Ohms Measurement

789 Users Manual 46

Pagina 51

789 Users Manual iv

Pagina 52

v List of Figures Figure Title Page 1. Fluke 789 ProcessMeter ...

Pagina 53

789 Users Manual vi

Pagina 54

1 ProcessMeter Introduction Warning Read “Safety Information” before using the meter. The Fluke 789 ProcessMeter (referred to as “the meter”) is a

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