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Многофункциональный калибратор
725
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Fluke 725 [38/72] Users manual

725

Users Manual

Differential

Module

Tank

Isolation

Valve

Gage

Module

V mA

LOO P

V mA

TC RTD

100%

25%

RECALL

ZERO

MEAS

SOURCE

STORE

SETUP

MULTIFUNCTION CALIBRATOR

725

sh37f.eps

Figure 13. Connections for Measuring Pressure

Содержание

Multifunction process calibrator 1
Limited warranty and limitation of liability 2
Table of contents 3
Title page 3
Contents 5
List of tables 7
Table title page 7
Figure title page 9
List of figures 9
Contacting fluke 11
Introduction 11
Multifunction process calibrator 11
Safety information 13
Standard equipment 13
Warning 14
Caution 15
Warning 15
Figure 1 standard equipment 16
Users manual 16
6 5 4 3 18
Figure 2 input output terminals and connectors 18
Figure 2 shows the calibrator input and output terminals table 3 explains their use 18
Getting acquainted with the calibrator 18
Input and output terminals 18
Users manual 18
Figure 3 keys 20
Figure 3 shows the calibrator keys and table 4 explains their use 20
Users manual 20
Display 23
Figure 4 elements of a typical display 23
Figure 4 shows the elements of a typical display 23
Getting acquainted with the calibrator 23
Getting started 24
Shut down mode 24
Figure 5 voltage to voltage test 25
Sh39f eps 25
Shut down mode 25
Contrast adjustment 26
Current measurement with loop power 27
Measuring electrical parameters upper display 27
Using measure mode 27
Figure 8 connections for supplying loop power 28
Users manual 28
Measuring electrical parameters lower display 29
Measuring temperature 30
Using thermocouples 30
Figure 10 measuring temperature with a thermocouple 32
Process temperature 32
Tc miniplug 32
Users manual 32
Warning 30 v maximum to 32
Using resistance temperature detectors rtds 33
Figure 11 measuring temperature with an rtd measuring 2 3 and 4 wire resistance 35
Rtd resistance to be measured 35
Using measure mode 35
Caution 36
Measuring pressure 36
Warning 36
Zeroing with absolute pressure modules 37
Differential module 38
Figure 13 connections for measuring pressure 38
Gage module 38
Isolation valve 38
Users manual 38
Simulating a 4 to 20 ma transmitter 39
Sourcing 4 to 20 ma 39
Sourcing other electrical parameters 39
Using source mode 39
Figure 14 connections for simulating a 4 to 20 ma transmitter 40
Users manual 40
Figure 15 electrical sourcing connections 41
Measure source measure 41
Using source mode 41
Simulating rtds 42
Simulating thermocouples 42
Color depends on type of tc 43
Figure 16 connections for simulating a thermocouple 43
Tc miniplug 43
Using source mode 43
Figure 17 connections for simulating 3 wire rtd 44
Sensor terminals 44
Users manual 44
Caution 45
Sourcing pressure 45
Warning 45
Manually stepping the ma output 47
Setting 0 and 100 output parameters 47
Stepping and ramping the output 47
Auto ramping the output 48
Storing and recalling setups 48
Calibrating a transmitter 49
Figure 19 calibrating a thermocouple transmitter 50
Users manual 50
Calibrating a pressure transmitter 51
Figure 20 calibrating a pressure to current p i transmitter 52
Hand pump 52
Pressure module 52
Users manual 52
Calibrating an i p device 53
Figure 21 calibrating a current to pressure i p transmitter 54
Pressure module 54
Users manual 54
Testing an output device 55
Key the calibrator will initialize with its remote port enabled the terminal emulator connected to the calibrator should be set up for 9600 baud no parity 8 data bits and 1 stop bit 56
Remote control commands 56
Table 8a remote control upper display 56
Table 8b remote control lower display 56
Terminates in a db 9 connector which plugs directly into a pc serial port a db 9 to db 25 adapter is required to connect to a pc 56
The fluke 700sc serial interface cable assembly pn 667425 plugs into the pressure module connector and 56
The remote control interface on the 725 is activated by turning the calibrator off then turning it on again while depressing the 56
Users manual 56
You can control the calibrator remotely from a pc running a terminal emulator program the remote control commands give access to all capabilities of the calibrator with the exception of pressure measurement see table 8a 8c for the remote commands and explanations 56
Replacing the batteries 59
Replacing the fuses 59
Warning 59
Cleaning the calibrator 60
Maintenance 60
Service center calibration or repair 60
Replacement parts 61
Figure 24 replacement parts 62
Users manual 62
Accessories 63
External fluke pressure module compatibility 63
Dc voltage measurement 66
Dc voltage source 66
Millivolt measurement and source 66
Specifications 66
Dc ma measurement and source 67
Frequency measurement 67
Ohms measurement 67
Ohms source 67
Frequency source 68
Temperature thermocouples 68
Loop power supply 69
Rtd excitation simulation 69
Temperature rtd ranges and accuracies its 90 69
General specifications 70
Pressure measurement 70

Fluke 725 [38/72] Users manual

Содержание

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