Contents

Chapter 1 Quick Start

To Prepare the Multimeter for Use 13 If the Multimeter Does Not Turn On 14 To Adjust the Carrying Handle 16

To Measure Voltage 17 To Measure Resistance 17 To Measure Current 18

To Measure Frequency (or Period) 18 To Test Continuity 19

To Check Diodes 19

To Select a Range 20 To Set the Resolution 21

Front-Panel Display Formats 22 To Rack Mount the Multimeter 23

Chapter 2 Front-Panel Menu Operation

Front-Panel Menu Reference 27

A Front-Panel Menu Tutorial 29

To Turn Off the Comma Separator 37

To Make Null (Relative) Measurements 38

To Store Minimum and Maximum Readings 39 To Make dB Measurements 40

To Make dBm Measurements 41 To Trigger the Multimeter 42 To Use Reading Hold 43

To Make dcv:dcv Ratio Measurements 44 To Use Reading Memory 46

Chapter 3 Features and Functions

Measurement Configuration

AC Signal Filter 51

Continuity Threshold Resistance 52

DC Input Resistance 53

Resolution 54

Integration Time 57

Front / Rear Input Terminal Switching 58

Autozero 59

Ranging 60

Contents

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Agilent Technologies 34401A manual Contents
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34401A specifications

Agilent Technologies 34401A is a highly reputable digital multimeter (DMM), renowned for its accuracy, versatility, and performance in a wide range of measurement applications. First introduced in the early 1990s, the 34401A has become a staple in laboratories, manufacturing environments, and educational institutions due to its robust build and comprehensive features.

One of the standout characteristics of the 34401A is its impressive accuracy, boasting a basic DC voltage accuracy of 0.0035%, making it ideal for precise measurements in electronic testing. The multimeter offers a wide range of measurement capabilities, including voltage (DC and AC), current (DC and AC), resistance, frequency, and continuity test, making it a highly versatile tool for engineers and technicians.

The 34401A utilizes a 6½-digit resolution, enabling the user to measure small changes in electrical signals with remarkable precision. With a sampling rate of up to 1000 readings per second, it can handle dynamic test requirements, providing timely results without sacrificing measurement integrity.

In terms of connectivity, the Agilent 34401A includes a GPIB (General Purpose Interface Bus) for remote operation, allowing users to automate their testing processes and integrate the multimeter easily into larger measurement systems. This feature is particularly beneficial in automated test environments, where speed and accuracy are paramount.

Additionally, the DMM incorporates advanced measurement functions, such as statistical analysis, including mean, standard deviation, and minimum/maximum readings, which provide users with valuable insights into their data. The instrument's user-friendly interface, complete with a clear digital display and intuitive controls, enhances usability and ensures that users can easily navigate its various functions.

Robust software support further extends the capabilities of the Agilent 34401A. It is compatible with a range of software tools for data logging and analysis, enabling users to efficiently document and analyze their measurements over time.

In summary, Agilent Technologies 34401A stands out in the realm of digital multimeters due to its high accuracy, extensive measurement functionalities, and user-friendly features. Whether for research and development, quality control, or educational purposes, the 34401A remains a preferred choice for professionals demanding reliable and precise measurement solutions. Its enduring legacy in the industry speaks to its performance and reliability, making it an essential tool for anyone involved in electronic testing and measurement.
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