Contents
Main
LIMITED WARRANTY & LIMITATION OF LIABI LITY
Page
Table of Contents
Page
Page
List of Tables
Page
List of Figures
Chapter 1
Introduction
Introducing the Fluke 45 Dual Display Multime te r
Page
Page
Page
MULTIMETER SAFETY
Chapter 2
Getting Started
Getting Started
2-2
Figure 2-1. Front Panel
Figure 2-2. Rear Panel
II
Turning the Meter on
Using the Pushbuttons
2-4
Figure 2-4. Summary of Basic Pushbutton Operations
Selecting a Measur ement Range
Automati c Input Term inal Selection
Taking Some Basic Measurements
Page
Getting Sta rted Taking So me Ba si c M ea surements 2
2-7
V
Figure 2-6. Measuring Current or Frequency
FREQ
Note:
aam06f.eps
2-8
V
+ -
TEST CIRCUIT
Note: This is a Diode Test Function with a Continuity Beeper.
aam07f.eps
Figure 2-7. Continuity Testing
Opera ting the Meter Under Battery Power (Opt ional)
Rack Mounting
Page
Chapter 3
Operating the Meter From the F ront Panel
Front Panel Operations
Display
Operating the Meter From the Front Panel Display 3
3-3
REMOTE EXT TRG SMF MAX
MIN dB
W
Figure 3-2. Display Annunciators
Figure 3-3. Secondary Display
3-4
Figure 3-4. Input Terminals
Input Terminals
V
V
10A
100 mA
Selecting a Measur ement Function
Ranging (E, U, T)
3-6
Operating the Meter From the Front Panel Ranging 3
3-7
Measuring Frequency (F)
Page
Select ing A Function Modifi er (K, I, H, J)
Page
Page
Page
Page
Page
Using The Compa re (Comp) Function
Page
Page
Power-U p Configuration
Calibration
Chapter 4
Applications
Using the Dual Display
+-
Applications Using the Dual Display 4
4-3
Response Times
How the Meter Makes Dual Display Measurements
4-6
External Trigger
Therma l Voltage s
When Measuring Resistance
True RMS Measurements
Page
Applications True RMS Measurements 4
Figure 4-3. Waveform Comparison Chart
4-11
Page
Chapter 5
Operating the Meter Using the Computer Interface
Preparing the Meter for Operations via the RS-232 Interface
Preparing the Meter for Operati on s via the RS-2 32 Inter fa ce 5
5-3
Page
Prepa ring the Mete r to be Operated via IEEE-488 Interface
Gett ing Start ed With An Insta llation Test
How the Me ter Proce sses Input
Page
Page
5-10
Figure 5-1. Typical IEEE-488 Input Strings
EXAMPLE 2:
EXAMPLE 1:
How the Meter Processes Output
Trigger ing Output
Page
Service Requests (IEEE-488 Only and Status Registers 5
5-13
Serv ice Reque sts (IEEE-488 Only and Status Registers
5-14
Page
Page
Page
Page
Compute r Interfa ce Command Set
5-20
5-21
5-22
5-23
5-24
5-25
5-26
5-27
Trigger Configuration Commands The commands in Table 5-16 set and return the trigger configuration.
5-28
Miscellaneous Commands and Queries Miscellaneous commands and queries are summarized in Table 5-17.
5-29
RS-232 Remote/Local Configurations
Page
Page
Page
Page
Page
Page
Chapter 6
Maintenance
Cleaning
Line Fuse
Current Input Fuses
Page
Self-Test Diagnostics and Err or Codes
Performance Tests
Maintenance Service 6
6-5
Service
W
6-6
Maintenance Replaceme nt Part s 6
6-7
Replacement Parts
6-8
Page
Page
A-1
Appendix A
Specifications
Display Count s and Reading Rate s
RS-232 and IEEE-488 Reading Transfer Rates
Response Times Refer to Section 4 for detailed information.
45
DC Voltage
dc input divider is in parallel with the 1 M
Input Impedance 10 Me in parallel with <100 pF
In the dual display mode, when the volts ac and volts dc functions are selected, the 10 M
Common Mode Rejection Ratio >90 dB at do, 50 or 60 Hz, (1 ke unbalanc ed, med iu m and slow rates)
True RMS AC Voltage, AC-Coupled
Accuracy
Page
A-5
DC Current
.
AC Current
Page
A-7
Ohms
Diode Test/Continuity
Frequency
A-9
, this pickup will not affect the accuracy or stability of the frequenc y reading .
Environmental
45
General
Options
Page
Page
Page
Appendix C
IEEE-488.2 Device Documentation Requirements
Implement at ion of IEEE Standard 4 88.2-1987