Chapter 4 Remote Interface Reference

Math Operation Commands

CALCulate:AVERage:MINimum?

Read the minimum value found during a min-max operation. The multimeter clears the value when min-max is turned on, when power has been off, or after a remote interface reset. [Stored in volatile memory]

CALCulate:AVERage:MAXimum?

Read the maximum value found during a min-max operation. The multimeter clears the value when min-max is turned on, when power has been off, or after a remote interface reset. [Stored in volatile memory]

CALCulate:AVERage:AVERage?

Read the average of all readings taken since min-max was enabled. The multimeter clears the value when min-max is turned on, when power has been off, or after a remote interface reset. [Stored in volatile memory]

CALCulate:AVERage:COUNt?

Read the number of readings taken since min-max was enabled. The

multimeter clears the value when min-max is turned on, when power 4 has been off, or after a remote interface reset. [Stored in volatile

memory]

CALCulate:NULL:OFFSet {<value>MINimumMAXimum}

Store a null value in the multimeter’s Null Register. You must turn on the math operation before writing to the math register. You can set the null value to any number between 0 and ±120% of the highest range, for the present function. MIN = –120% of the highest range. MAX = 120% of the highest range. [Stored in volatile memory]

CALCulate:NULL:OFFSet? [MINimumMAXimum]

Query the null value.

CALCulate:DB:REFerence {<value>MINimumMAXimum}

Store a relative value in the dB Relative Register. You must turn on the math operation before writing to the math register. You can set the relative value to any number between 0 dBm and ±200 dBm.

MIN = –200.00 dBm. MAX = 200.00 dBm. [Stored in volatile memory]

CALCulate:DB:REFerence? [MINimumMAXimum]

Query the dB relative value.

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Agilent Technologies 34401A manual CALCulateAVERageMINimum?, CALCulateAVERageMAXimum?, CALCulateAVERageAVERage?
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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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