Contents (continued)

 

 

Installing the IEEE-488 Interface

5-5

 

 

Enabling the IEEE-488 Interface

5-5

 

 

Addressing the Meter

5-5

 

 

Cabling the Meter to a Host

5-6

 

Getting Started With An Installation Test

5-6

 

 

Installation Test for RS-232 Operations

5-6

 

 

Installation Test for IEEE-488 Operations

5-6

 

 

If Test Fails

5-7

 

How the Meter Processes Input

5-7

 

 

Input Strings

5-7

 

 

Input Terminators

5-7

 

 

Typical IEEE-488 Input Strings

5-8

 

 

Sending Numeric Values to the Meter

5-8

 

 

Sending Command Strings to the Meter

5-8

 

How the Meter Processes Output

5-11

 

Triggering Output

5-11

 

 

External Triggering from the Front Panel

5-11

 

 

Setting the Trigger Type Configuration

5-12

 

 

External Triggering via the Computer Interface

5-12

 

Service Requests (IEEE-488 Only and Status Registers

5-13

 

 

Event Status and Event Status Enable Registers

5-16

 

 

Status Byte Register

5-17

 

 

Reading the Status Byte Register

5-17

 

 

Service Request Enable Register

5-18

 

Computer Interface Command Set

5-19

 

 

IEEE-488 Capabilities and Common Commands

5-19

 

 

Function Commands and Queries

5-22

 

 

Function Modifier Commands and Queries

5-22

 

 

Range and Measurement Rate Commands and Queries

5-25

 

 

Measurement Queries

5-26

 

 

Compare Commands and Queries

5-27

 

 

Trigger Configuration Commands

5-27

 

 

Miscellaneous Commands and Queries

5-28

 

 

RS-232 Remote/Local Configurations

5-29

 

Sample Program Using the RS-232 Computer Interface

5-30

 

Sample Programs Using the IEEE-488 Computer Interface

5-31

6

Maintenance

6-1

 

Introduction

6-1

 

Cleaning

6-1

 

Line Fuse

6-1

 

Current Input Fuses

6-2

 

 

Testing Current Input Fuses

6-2

 

 

Replacing the 100 mA Input Fuse

6-3

 

 

Replacing the 10 A Input Fuse

6-3

 

Self-Test Diagnostics and Error Codes

6-4

 

Performance Tests

6-4

 

Service

6-5

 

Replacement Parts

6-7

Appendices

 

 

A

Specifications

A-1

 

B

ASCII/IEEE-488 Bus Codes

B-1

 

C IEEE-488.2 Device Documentation Requirements

C-1

iii

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Fluke 45 user manual Appendices

45 specifications

The Fluke 45 is a versatile and high-precision Digital Multimeter that is designed for a wide range of applications in electrical testing, troubleshooting, and maintenance. Known for its reliability and advanced features, the Fluke 45 is an essential tool for engineers, technicians, and professionals who require accurate measurement capabilities.

One of the standout features of the Fluke 45 is its ability to measure both AC and DC voltage and current. With a maximum input voltage of 1000 volts and current ranges up to 10 amps, users can conduct a variety of electrical tests with confidence. The device is equipped with an intuitive dual display, allowing for simultaneous viewing of multiple measurements. This feature enhances usability during complex diagnostics.

The Fluke 45 also boasts an impressive resolution of 0.1 mV and a basic accuracy of 0.25%, which translates to highly reliable readings. The auto-ranging capability simplifies the measurement process, automatically selecting the appropriate range based on the input signal, thus saving time and reducing user error.

In addition to voltage and current measurements, the Fluke 45 features resistance measurement capabilities, with a range of up to 40 MΩ. This makes it an effective tool for testing circuits, identifying faults, and ensuring the integrity of electrical systems. The continuity test function, complete with a built-in beeper, assists in quickly diagnosing wiring issues.

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To enhance functionality, the Fluke 45 features a data hold function that freezes the displayed measurement for easier reporting. Additionally, it can store data for later retrieval, making it convenient for users who need to compile test results over time.

In summary, the Fluke 45 Digital Multimeter is an advanced instrument that combines precision, versatility, and user-friendly design. Its wide measurement capabilities, high accuracy, and durable build make it an invaluable tool for professionals in diverse electrical and electronic applications. Whether for routine maintenance or complex troubleshooting, the Fluke 45 stands out as a reliable partner in achieving accurate and efficient results.