DC Characteristics

Chapter 8 Specifications

					Accuracy Specifications ± ( % of reading + % of range )					[ 1 ]

									Temperature
				Test Current or	24 Hour [ 2 ]		90 Day	1 Year	Coefficient /°C
	Function	Range [ 3 ]		Burden Voltage	23°C ± 1°C		23°C ± 5°C	23°C ± 5°C	0°C – 18°C
									28°C – 55°C

	DC Voltage	100.0000 mV			0.0030 + 0.0030		0.0040 + 0.0035	0.0050 + 0.0035	0.0005	+ 0.0005
		1.000000	V		0.0020 + 0.0006		0.0030 + 0.0007	0.0040 + 0.0007	0.0005	+ 0.0001
		10.00000	V		0.0015 + 0.0004		0.0020 + 0.0005	0.0035 + 0.0005	0.0005	+ 0.0001
		100.0000	V		0.0020 + 0.0006		0.0035 + 0.0006	0.0045 + 0.0006	0.0005	+ 0.0001
		1000.000	V		0.0020 + 0.0006		0.0035 + 0.0010	0.0045 + 0.0010	0.0005	+ 0.0001

	Resistance	100.0000 Ω		1 mA	0.0030 + 0.0030		0.008 + 0.004	0.010 + 0.004	0.0006	+ 0.0005
[ 4 ]		1.000000 kΩ		1 mA	0.0020 + 0.0005		0.008 + 0.001	0.010 + 0.001	0.0006	+ 0.0001
		10.00000 kΩ		100 ∝A	0.0020 + 0.0005		0.008 + 0.001	0.010 + 0.001	0.0006	+ 0.0001
		100.0000 kΩ		10 ∝A	0.0020 + 0.0005		0.008 + 0.001	0.010 + 0.001	0.0006	+ 0.0001
		1.000000	MΩ	5 ∝A	0.002 + 0.001		0.008 + 0.001	0.010 + 0.001	0.0010	+ 0.0002
		10.00000	MΩ	500 nA	0.015 + 0.001		0.020 + 0.001	0.040 + 0.001	0.0030	+ 0.0004
		100.0000	MΩ	500 nA 10 MΩ	0.300 + 0.010		0.800 + 0.010	0.800 + 0.010	0.1500	+ 0.0002

	DC Current	10.00000 mA		< 0.1 V	0.005	+ 0.010	0.030 + 0.020	0.050 + 0.020	0.002	+ 0.0020
		100.0000 mA		< 0.6 V	0.01	+ 0.004	0.030 + 0.005	0.050 + 0.005	0.002	+ 0.0005
		1.000000	A	< 1 V	0.05	+ 0.006	0.080 + 0.010	0.100 + 0.010	0.005	+ 0.0010
		3.000000	A	< 2 V	0.10	+ 0.020	0.120 + 0.020	0.120 + 0.020	0.005	+ 0.0020

	Continuity	1000.0 Ω		1 mA	0.002	+ 0.030	0.008 + 0.030	0.010 + 0.030	0.001 + 0.002

	Diode Test	1.0000 V		1 mA	0.002	+ 0.010	0.008 + 0.020	0.010 + 0.020	0.001 + 0.002
[12]
	DC:DC Ratio	100 mV			( Input Accuracy ) + ( Reference Accuracy )
		to
		1000 V			Input Accuracy = accuracy specification for the HI-LO input signal.
					Reference Accuracy = accuracy specification for the HI-LO reference input signal.

Transfer Accuracy ( typical )

(24 hour % of range error )

Conditions:

Within 10 minutes and ± 0.5°C.

Within ±10% of initial value.

Following a 2-hour warm-up.

Fixed range between 10% and 100% of full scale.

Using 61⁄2 digit slow resolution ( 100 PLC ).

Measurements are made using accepted metrology practices.

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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.

Agilent Technologies 34401A manual DC Characteristics

Models: 34401A