Measurement Tutorial, Specifications | Agilent Technologies 34401A

Contents

Chapter 7 Measurement Tutorial

Thermal EMF Errors 199 Loading Errors (dc volts) 199 Leakage Current Errors 199 Rejecting Power-Line Noise Voltages 200 Common Mode Rejection (CMR) 201 Noise Caused by Magnetic Loops 201 Noise Caused by Ground Loops 202 Resistance Measurements 203

4-Wire Ohms Measurements 203 Removing Test Lead Resistance Errors 204 Power Dissipation Effects 204

Settling Time Effects 204

Errors in High Resistance Measurements 205 DC Current Measurement Errors 205

True RMS AC Measurements 206 Crest Factor Errors 207 Loading Errors (ac volts) 209 Measurements Below Full Scale 210 High-Voltage Self-Heating Errors 210 Temperature Coefficient and Overload Errors 210 Low-Level Measurement Errors 211

Common Mode Errors 212

AC Current Measurement Errors 212 Frequency and Period Measurement Errors 213

Making High-Speed DC and Resistance Measurements 213 Making High-Speed AC Measurements 214

Chapter 8 Specifications

DC Characteristics 216

AC Characteristics 218

Frequency and Period Characteristics 220 General Information 222

Product Dimensions 223

To Calculate Total Measurement Error 224 Interpreting Multimeter Specifications 226 Configuring for Highest Accuracy Measurements 229

Index 231

Declaration of Conformity 237

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.

Agilent Technologies 34401A Measurement Tutorial, Specifications, Index Declaration of Conformity

Models: 34401A