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Инструкция по эксплуатации Страница: 117

Fluke 743B [117/134] Dc voltage output

Documenting Process Calibrator

Specifications

107

DC Voltage Output

Range Resolution

Models 741B and 743B

% of Output + % of Full Scale

1 Year 2 Year

110 mV 1 µV 0.01% + 0.005% 0.015% + 0.005%

1.1 V 10 µV 0.01% + 0.005% 0.015% + 0.005%

15 V 100 µV 0.01% + 0.005% 0.015% + 0.005%

Temperature Coefficient: (0.001% of output + 0.001% of f.s.)/°C in the ranges -10 to 18°C and 28 to 50°C

Maximum Output Current: 10 mA

Loading: (0.001% f.s. + 1 µV)/ mA

Common Mode Error: 0.008% f.s/(Common Mode Volt)

Maximum Input Voltage: 30V dc

Содержание

B 743b 1
B 743b users manual 1
Documenting process calibrator 1
Users manual 1
Limited warranty limitation of liability 2
Table of contents 3
Title page 3
B 743b 4
Contents 5
B 743b 6
List of tables 7
Table title page 7
Figure title page 9
List of figures 9
B 743b 10
Documenting process calibrator 11
Introduction 11
B 743b 12
Standard equipment 14
1 red and 1 black 15
2 red and 2 black 15
Ac20 test clip 15
Documenting process calibrator standard equipment 15
Figure 1 standard equipment 15
Jumper 2 black 15
Tl24 test leads 15
Tp20 test probe 15
B 743b 16
Bc7210 battery charger 16
Bp7217 nickel cadmium battery pack 16
Figure 1 standard equipment cont 16
Gj2f eps 16
Users manual 16
Safety information 17
Getting started exercise 20
Documenting process calibrator getting started exercise 21
Figure 3 jumper connections for demonstration 21
Figure 4 measure source example 21
Gj3f eps 21
Gj4s eps 21
B 743b 22
Figure 5 shows the calibrator input and output jacks table 2 explains their use 22
Input and output jacks 22
Operating features 22
Documenting process calibrator operating features 23
Figure 5 input output jacks and connectors 23
Ki05f eps 23
B 743b 24
Choice 24
Figure 6 keys 24
Figure 6 shows the calibrator keys and table 3 explains their functions the softkeys are the four unmarked blue keys just below the display softkey functions are defined by the labels that appear above the softkey during operation softkey labels and other display text are shown in this manual in bold type for example 24
Users manual 24
Documenting process calibrator operating features 25
B 743b 26
Display 27
B 743b 28
Figure 7 elements of a typical display 28
Users manual 28
Setting up the calibrator 29
Using the strap and bail 29
Charging the battery 30
Battery life 32
Warning 32
Preserving battery life 33
Using the optional battery eliminator 33
Adjusting the display contrast 34
Displaying the date and time 34
Selecting the display language 34
Personalizing the calibrator 36
Using the backlight 36
Measurement ranges 38
Measuring electrical parameters 38
Using measure mode 38
Documenting process calibrator using measure mode 39
Figure 10 electrical measurement connections 39
Measuring pressure 40
Testing continuity 40
Warning 40
Differential module 43
Documenting process calibrator using measure mode 43
Figure 12 connections for measuring pressure 43
Gage module 43
Isolation valve 43
Ki12c eps 43
Measuring temperature 44
Using thermocouples 44
Documenting process calibrator using measure mode 45
B 743b 46
Figure 13 measuring temperature with a thermocouple 46
Process temperature 46
Tc miniplug 46
Users manual 46
V maximum to 46
Warning 46
Documenting process calibrator using measure mode 47
Is 100 ω most rtds come in a three 47
Terminal configuration the calibrator accepts rtd measurement inputs in two three or four wire connections as shown in figure 15 a four wire configuration provides the highest measurement precision and two wire provides the lowest measurement precision 47
The calibrator accepts rtd types shown in table 6 rtds are characterized by their resistance at 0 c 32 f which is called the ice point or 47
The most common 47
Using resistance temperature detectors rtds 47
B 743b 50
Figure 15 measuring temperature with an rtd 50
Gj15f eps 50
Users manual 50
Linear output transmitters 51
Measurements in percent of scale 51
Square law process variables 51
Customizing mv input units 52
Warning 52
Damping your measurements 53
Sourcing electrical parameters 54
Using source mode 54
Common 55
Documenting process calibrator using source mode 55
Figure 16 electrical sourcing connections 55
Simulating a 4 to 20 ma transmitter 56
Documenting process calibrator using source mode 57
Figure 17 connections for simulating a 4 to 20 ma transmitter 57
Loop power supply 57
Ma ma v v rtd 57
Meas source 57
Setup ma 57
Source 57
Tc rtd 57
Supplying loop power 58
Documenting process calibrator using source mode 59
Figure 18 connections for supplying loop power 59
Ma ma v v rtd 59
Meas source 59
Setup ma 59
Source 59
Tc rtd 59
V v hz 59
Sourcing pressure 60
Warning 60
B 743b 62
Figure 19 connections for sourcing pressure 62
Hand pump 62
Ma ma v v rtd 62
Meas source 62
Pressure module 62
Setup ma 62
Source 62
Tc rtd 62
Users manual 62
Simulating thermocouples 63
Simulating rtds 64
Color depends on type of tc 65
Documenting process calibrator using source mode 65
Figure 20 connections for simulating a thermocouple 65
Ma ma v v rtd 65
Meas source 65
Setup ma 65
Source 65
Tc miniplug 65
Tc rtd 65
V v hz 65
B 743b 66
Figure 21 connections for simulating an rtd 66
Ps ps m in in 66
Rtd transmitter 66
Users manual 66
Linear responding transmitters 67
Sourcing in percent of scale 67
Square law process variables 67
Stepping and ramping the output value 68
Using manual step 68
Using auto step 69
Ramping the output 70
B 743b 72
Figure 22 checking a relay output trip alarm 72
Input 4 20 ma 72
Ma ma v v rtd 72
Meas source 72
Setup ma 72
Source 72
Source ma 72
Tc rtd 72
Trip relay output 72
Users manual 72
Voltage trip detect 72
Simultaneous measure source 73
B 743b 74
Documenting process calibrator simultaneous measure source 75
Calibrating a process instrument 76
Generating as found test data 76
B 743b 78
Figure 23 calibrating a thermocouple temperature transmitter 78
Ma ma v v rtd 78
Meas source 78
Setup ma 78
Source 78
Tc miniplug 78
Tc rtd 78
Users manual 78
V v hz 78
Adjusting the transmitter 81
As left test run 82
Calibrating a delta pressure flow instrument 83
Test comments 83
Calibrating a limit switch 84
Transmitter mode 87
Warning 87
Memory operations 89
Saving results 89
Data logging model 743b only 91
Reviewing memory 91
Clearing memory 94
Recording min and max measurements 94
Running a preloaded task 743b only 94
Saving to and recalling from the registers 95
Using the built in calculator 95
Quick guide to applications 96
Using the calculator to set the source value 96
B 743b 98
Figure 27 monitoring ac line voltage and frequency 98
Ki27c eps 98
Ma ma v v rtd 98
Meas source 98
Measure v 98
Setup ma 98
Source 98
Tc rtd 98
Users manual 98
Documenting process calibrator quick guide to applications 99
Figure 28 calibrating a current to pressure i p transmitter 99
Ma ma v v rtd 99
Meas source 99
Measure pressure source ma loop power disabled 99
Pressure module 99
Setup ma 99
Source 99
Tc rtd 99
V v hz 99
B 743b 100
Figure 29 measuring the output current of a transmitter 100
Ma ma v v rtd 100
Meas source 100
Measure ma loop power disabled 100
Original circuit wiring 100
Power supply 100
Setup ma 100
Source 100
Tc rtd 100
Users manual 100
V v hz 100
B 743b 102
Figure 32 checking a switch 102
Figure 33 checking a tachometer 102
Ma ma v v rtd 102
Meas source 102
Measure continuity 102
Measure frequency 102
Setup ma 102
Source 102
Tc rtd 102
Users manual 102
V max 30v max 102
V v hz 102
Documenting process calibrator quick guide to applications 103
Figure 34 calibrating a pressure to current p i transmitter 103
Hand pump 103
Ma ma v v rtd 103
Meas source 103
Measure ma source pressure loop power enabled 24v 103
Pressure module 103
Setup ma 103
Source 103
Tc rtd 103
V v hz 103
B 743b 104
Figure 35 calibrating a mv to current transmitter 104
Users manual 104
Documenting process calibrator quick guide to applications 105
Figure 36 checking a vortex sheeding flowmeter 105
Ma ma v v rtd 105
Meas source 105
Measure frequency 105
Setup ma 105
Source 105
Tc rtd 105
Communicating with a pc model 743 only 106
Maintenance 106
Replacing the battery pack 106
Calibration data 107
Cleaning the calibrator 107
In case of difficulty 107
Internal lithium backup battery 107
Service center calibration or repair 108
Replacement parts 109
Accessories 110
Specifications 112
Dc voltage measurement 113
Documenting process calibrator specifications 113
Ac voltage measurement 114
B 743b 114
Dc current measurement 115
Documenting process calibrator specifications 115
Resistance measurement 115
B 743b 116
Continuity testing 116
Frequency measurement 116
Dc voltage output 117
Documenting process calibrator specifications 117
B 743b 118
Dc current output 118
Documenting process calibrator specifications 119
Resistance sourcing 119
B 743b 120
Frequency sourcing 120
Documenting process calibrator specifications 121
Temperature thermocouples 121
B 743b 122
Temperature thermocouples cont 122
Documenting process calibrator specifications 123
Temperature thermocouples cont 123
B 743b 124
Temperature resistance temperature detectors 124
Documenting process calibrator specifications 125
Temperature resistance temperature detectors cont 125
B 743b 126
Loop power supply 126
Documenting process calibrator specifications 127
Top and bottom limits of ranges with auto range on 127
B 743b 128
Top and bottom limits of ranges with auto range on cont 128
General specifications 129
B 743b 130
Figure 37 lcd operating environment specification 130
Users manual 130
B 743b 132
B 743b 134

Fluke 743B [117/134] Dc voltage output

Содержание

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