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45 user manual
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Specs
Replacement Parts
Maintenance
Two-WireConfiguration
Read Command
Adjusting the Handle
Cleaning
How to
Diode/Continuity Testing
Safety
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45
Users Manual
1-4
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Contents
Dual Display Multimeter
LIMITED WARRANTY & LIMITATION OF LIABILITY
Interference Information
Safety Class
Declaration of the Manufacturer or Importer
Title
Table of Contents
Introduction
Getting Started
Applications
Operating the Meter Using the Computer Interface
Appendices
Maintenance
Title
List of Tables
Performance Tests for mA Current Functions
Replacement Parts
Performance Tests for A Current Functions
Title
List of Figures
Chapter
Introduction
Introducing the Fluke 45 Dual Display Multimeter
WWarning
Where to go from Here
Options and Accessories
Chapter 1 Introduction
Chapter 2 Getting started
Chapter 6 Maintenance
Chapter 4 Applications
Appendices
Page
TO AVOID ELECTRICAL SHOCK OR OTHER INJURY
WWARNING
MULTIMETER SAFETY
Line Power
Adjusting the Handle
Getting Started
Introduction
Figure 2-2.Rear Panel
Figure 2-1.Front Panel
Turning the Meter on
Using the Pushbuttons
Figure 2-4.Summary of Basic Pushbutton Operations
Automatic Input Terminal Selection
Selecting a Measurement Range
Taking Some Basic Measurements
WWarning
Measuring Voltage, Resistance, or Frequency
Diode/Continuity Testing
Measuring Current
FREQ
FREQ
Getting Started
Taking Some Basic Measurements
Figure 2-8.Diode Testing
Figure 2-7.Continuity Testing
CIRCUIT
Note This is a Diode Test Function
Rack Mounting
Operating the Meter Under Battery Power Optional
Operating the Meter Under Battery Power Optional
2-10
Front Panel Operations
Operating the Meter From the Front Panel
Chapter
Introduction
Primary Display
Display
Secondary Display
MAX dB REL AUTO
REMOTE SMF
EXT TRG
MIN HOLD
Figure 3-4.Input Terminals
Input Terminals
Ranging
Selecting a Measurement Function
E, U, T
Autoranging
Figure 3-5.Function Selection Buttons
Ranging
Operating the Meter From the Front Panel
Manual Ranging
Measuring Frequency
Frequency Ranging
Frequency Sensitivity Selection
Frequency Measurement Rates
Operating the Meter From the Front Panel
Measuring Frequency
K, I, H, J
Selecting A Function Modifier
WWarning
REL Relative Readings Modifier
Operating the Meter From the Front Panel
Selecting A Function Modifier
dB Decibels and Audio Power Modifier
HOLD Touch Hold Modifier
Using Function Modifiers in Combination
MN MX Minimum Maximum Modifier
Selecting A Measurement Rate Rate
Using the SButton
Selecting A Function Modifier
Operating the Meter From the Front Panel
3-15
Pushbuttons
The List and Number Editors
Using The Compare Comp Function
Using the List Editor
Using the Number Editor
Factory Settings of Power-UpConfiguration
Power-UpConfiguration
Changing the Power-UpConfiguration
Calibration
Applications
Using the Dual Display
Chapter
Introduction
Using Measurement Functions in Combination
Applications
Using the Dual Display
Response Times
How the Meter Makes Dual Display Measurements
How the Meter Makes Dual Display Measurements
Meas Function
External Trigger
Update Rate in the Dual Display Mode
Thermal Voltages
Two-WireConfiguration
When Measuring Resistance
True RMS Measurements
Correcting for Test Lead Resistance
Calculated AC + DC RMS Measurements
Effects of Internal Noise in AC Measurements
Applications
Figure 4-3.Waveform Comparison Chart
True RMS Measurements
4-11
4-12
Local and Remote Operations
Operating the Meter Using the Computer Interface
Computer Interfaces
Chapter
Setting Communication Parameters RS-232
RS-232 Print-OnlyMode
Cabling the Meter to a Host or Printer RS-232
Device Clear Using C CNTRL C
Character Echoing and Deletion
RS-232Prompts
IEEE-488Operating Limitations
Installing the IEEE-488Interface
Enabling the IEEE-488Interface
Addressing the Meter
Installation Test for RS-232Operations
Getting Started With An Installation Test
Installation Test for IEEE-488Operations
Cabling the Meter to a Host
If Test Fails
How the Meter Processes Input
Input Strings
Input Terminators
Typical IEEE-488Input Strings
Sending Command Strings to the Meter
Sending Numeric Values to the Meter
1.Commands to configure the meter if any
Figure 5-1.Typical IEEE-488Input Strings
5-10
Triggering Output
How the Meter Processes Output
External Triggering from the Front Panel
External Triggering via the Computer Interface
Setting the Trigger Type Configuration
Table 5-3.Trigger Type
Read Command
Event Status Enable Register
Write Command
Enable Register
Page
7 6 5 4
Event Status and Event Status Enable Registers
Reading the Status Byte Register
Status Byte Register
Service Request Enable Register
IEEE-488Capabilities and Common Commands
Computer Interface Command Set
Command
Table 5-9. IEEE-488Common Commands
5-20
Table 5-8. IEEE-488Interface Function Subsets
Computer Interface Command Set
Operating the Meter Using the Computer Interface
Table 5-10. IEEE-488Common Commands cont
Command
Function Modifier Commands and Queries
Function Commands and Queries
Table 5-11.Function Commands and Queries
Commands
Computer Interface Command Set
Operating the Meter Using the Computer Interface
Command
Table 5-12.Function Modifier Commands and Queries
5-24
Command
Description
Operating the Meter Using the Computer Interface
Range and Measurement Rate Commands and Queries
Computer Interface Command Set
5-25
TRIGGER 5, unexpected results will be obtained
Measurement Queries
5-26
Trigger Configuration Commands
Compare Commands and Queries
Command
Miscellaneous Commands and Queries
Table 5-17.Miscellaneous Commands and Queries
5-28
Operating the Meter Using the Computer Interface
RS-232Remote/Local Configurations
Computer Interface Command Set
Command
5-30
Sample Program Using the RS-232Computer Interface
aam23f.eps
5-31
Operating the Meter Using the Computer Interface
aam24s.tif
aam25s.tif
5-32
5-33
Operating the Meter Using the Computer Interface
aam26s.tif
aam27s.tif
5-34
5-35
Operating the Meter Using the Computer Interface
Cleaning
Maintenance
Line Fuse
WWarning
Current Input Fuses
Testing Current Input Fuses
Replacing the 10 A Input Fuse
Replacing the 100 mA Input Fuse
WWarning
WWarning
Performance Tests
Self-TestDiagnostics and Error Codes
Service
Range Rate
Function
Input Level
Frequency
Maintenance
Replacement Parts
Replacement Parts
Quantity Fluke Part Number Part Description
FLUKE PART NO
Table 6-5.Replacement Parts cont DESCRIPTION
Appendix
Appendices
Page
Specifications
Page
Appendix A
Specifications
Display Counts and Reading Rates
RS-232and IEEE-488Reading Transfer Rates
Input Impedance
DC Voltage
Normal Mode Rejection Ratio
Common Mode Rejection Ratio
True RMS AC Voltage, AC-Coupled
Decibel Resolution
Appendices
Maximum Input
Maximum Crest Factor
Decibel Reference Resistance
AC + DC Voltage Accuracy
Input Impedance
AC Current
DC Current
Appendices
Maximum Input
Maximum Crest Factor
Accuracy
Maximum Input
RangeFrequency
Diode Test/Continuity
Ohms
Open Circuit Voltage
Input Protection
Sensitivity of AC Voltage
Frequency
Sensitivity Level of AC Current
Open Circuit Voltage
Specifications A
Environmental
Appendices
Options
General
Appendix B
ASCII/IEEE-488Bus Codes
Page
ASCII/IEEE-488Bus Codes B
Appendices
Appendix C
IEEE-488.2Device Documentation Requirements
Implementation of IEEE Standard
Introduction
No commands are coupled
All queries generate a response when parsed
Device-specificcommands used
NUMERIC RESPONSE DATA
Format 2 NR3 NUMERIC RESPONSE DATA UNIT
Format 1 NR3 NUMERIC RESPONSE DATA
MEASUREMENT
Volts dc
There are no additional data structures
The *RDT and *RAT? commands are not implemented