Operating the Meter Using the Computer Interface

5

Service Requests (IEEE-488 Only and Status Registers

 

 

 

Error Dependent

Error

Control Complete

On

Request

Error

 

Power User

 

 

Error

Operation

CommandExecutionDevice

Query Request

Logical OR

 

7

6

5

4

3

2

1

0

 

 

 

&

& & & &

 

 

 

 

&

 

 

 

 

 

 

 

&

 

 

 

 

 

 

 

&

7

6

5

4

3

2

1

0

Standard

Event Status Register

Read Using *ESR?

Queue

Not-Empty

Standard

Event Status Enable

Register

Read Using *ESE?

Output Queue

Write to Using *ESE

 

Service

Request

Generation

Logical OR

RQS

76 ESB MAV 3 2 1 0

MSS

&

&

& & &

& &

7

5

4

3

2

1

0

Read by Serial Poll

Status Byte Register

Read Using *STB?

Service Request

Enable Register

Read Using *SRE?

Write to Using *SRE

aam21f.eps

Figure 5-3. Overview of Status Data Structures

Figure 5-3 reprinted from ANSI/IEEE Std 488.2-1987. Copyright 1988. By the Institute of Electrical and Electronics Engineers, Inc. By

permission of the IEEE Standards Department.

5-15

Page 71
Image 71
Fluke 45 user manual ESB MAV 3 2 1

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.

Another remarkable characteristic of the Fluke 45 is its frequency measurement capabilities, which can measure frequencies up to 1 MHz. This is particularly useful in applications involving signal analysis and troubleshooting oscillators.

Moreover, the Fluke 45 is designed with user convenience in mind. It is lightweight and portable, making it easy to carry around, whether on a job site or in a workshop. The rugged construction, reinforced with high-quality materials, ensures it can withstand harsh conditions often encountered in the field.

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.