AC Accuracy Specifications

Chapter 9 Specifications

± ( % of reading + % of range ) [1]

Includes measurement error, switching error, and transducer conversion error


Function	Range [3]			Frequency	24 Hour [2]	90 Day	1 Year	Temperature
Function	Range [3]			Frequency	24 Hour [2]	90 Day	1 Year	Coefficient /°C
					23 °C ± 1 °C	23 °C ± 5 °C	23 °C ± 5 °C	0 °C – 18 °C
								28 °C – 55 °C
True RMS	100.0000 mV	3	Hz – 5 Hz		1.00 + 0.03	1.00 + 0.04	1.00 + 0.04	0.100		+ 0.004
AC Voltage [4]	to 100 V	5	Hz – 10 Hz		0.35 + 0.03	0.35 + 0.04	0.35 + 0.04	0.035		+ 0.004
		10		Hz – 20 kHz	0.04 + 0.03	0.05 + 0.04	0.06 + 0.04	0.005		+ 0.004
		20 kHz – 50 kHz			0.10 + 0.05	0.11 + 0.05	0.12 + 0.05	0.011		+ 0.005
		50 kHz – 100 kHz			0.55 + 0.08	0.60 + 0.08	0.60 + 0.08	0.060		+ 0.008
		100 kHz – 300 kHz [5]			4.00 + 0.50	4.00 + 0.50	4.00 + 0.50	0.20		+ 0.02
	300.0000 V	3	Hz – 5 Hz		1.00 + 0.05	1.00 + 0.08	1.00 + 0.08	0.100	+ 0.008
		5	Hz – 10 Hz		0.35 + 0.05	0.35 + 0.08	0.35 + 0.08	0.035	+ 0.008
		10		Hz – 20 kHz	0.04 + 0.05	0.05 + 0.08	0.06 + 0.08	0.005	+ 0.008
		20 kHz – 50 kHz			0.10 + 0.10	0.11 + 0.12	0.12 + 0.12	0.011	+ 0.012
		50 kHz – 100 kHz			0.55 + 0.20	0.60 + 0.20	0.60 + 0.20	0.060	+ 0.020
		100 kHz – 300 kHz [5]			4.00 + 1.25	4.00 + 1.25	4.00 + 1.25	0.20	+ 0.05
Frequency	100 mV	3	Hz – 5 Hz		0.10	0.10	0.10	0.005
and Period [6]	to	5	Hz – 10 Hz		0.05	0.05	0.05	0.005
	300 V	10		Hz – 40 Hz	0.03	0.03	0.03	0.001
		40		Hz – 300 kHz	0.006	0.01	0.01	0.001
True RMS	10.00000 mA [4]	3	Hz – 5 Hz		1.00 + 0.04	1.00 + 0.04	1.00 + 0.04	0.100		+ 0.006
AC Current	and	5	Hz – 10 Hz		0.30 + 0.04	0.30 + 0.04	0.30 + 0.04	0.035		+ 0.006
34901A Only	1.000000 A [4]	10		Hz – 5 kHz	0.10 + 0.04	0.10 + 0.04	0.10 + 0.04	0.015		+ 0.006
	100.0000 mA [7]	3	Hz – 5 Hz		1.00 + 0.5	1.00 + 0.5	1.00 + 0.5	0.100 + 0.06
		5	Hz – 10 Hz		0.30 + 0.5	0.30 + 0.5	0.30 + 0.5	0.035 + 0.06
		10		Hz – 5 kHz	0.10 + 0.5	0.10 + 0.5	0.10 + 0.5	0.015 + 0.06

Additional Low Frequency Error for ACV, ACI (% of reading)

		AC Filter	AC Filter	AC Filter
Frequency		Slow	Medium	Fast
10 Hz - 20 Hz		0	0.74	—
20 Hz - 40 Hz		0	0.22	—
40 Hz - 100 Hz		0	0.06	0.73
100	Hz - 200 Hz	0	0.01	0.22
200	Hz - 1 kHz	0	0	0.18
> 1 kHz		0	0	0

Additional Error for Frequency, Period (% of reading)


Frequency				61⁄2 Digits	51⁄2 Digits	41⁄2 Digits
3	Hz - 5 Hz			0	0.12	0.12
5	Hz - 10 Hz			0	0.17	0.17
10		Hz - 40 Hz		0	0.2	0.2
40		Hz - 100 Hz		0	0.06	0.21
100			Hz - 300 Hz	0	0.03	0.21
300			Hz - 1 kHz	0	0.01	0.07
> 1 kHz				0	0	0.02

[1]Specifications are for 1 hour warm up and 61⁄2 digits, Slow ac filter

[2]Relative to calibration standards

[3]20% over range on all ranges except 300 Vac and 1 Aac ranges

[4]For sinewave input > 5% of range. For inputs from 1% to 5% of range and < 50 kHz, add 0.1% of range additional error.

[5]Typically 30% of reading error at 1 MHz, limited to 1x108 V Hz

[6]Input > 100 mV. For 10 mV inputs, multiply % of reading error x 10.

[7]Specified only for inputs > 10 mA

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34970A specifications

Agilent Technologies 34970A is a versatile data acquisition and measurement system that has gained popularity in various industries, including research and development, manufacturing, and education. The primary purpose of the 34970A is to offer an efficient solution for data collection, monitoring, and analysis, which can significantly enhance productivity and accuracy in testing applications.

One of the main features of the 34970A is its modular design, allowing users to customize the system according to their specific measurement needs. The mainframe can accommodate up to three plug-in measurement modules, which can include various types of measurements such as analog, digital, temperature, and frequency. This modularity provides flexibility for users to tailor the system to their requirements, making it highly adaptable to different applications.

Another notable characteristic of the Agilent 34970A is its impressive channel configuration. The system can support up to 120 measurement channels when fully configured, enabling extensive data acquisition without the need for multiple devices. This capability is essential for applications requiring simultaneous monitoring of multiple parameters or locations.

The 34970A utilizes advanced signal processing technologies to ensure high-accuracy measurements. The internal 6.5-digit resolution multimeter provides precise readings, while the device also supports various input types, such as thermocouples and RTDs for temperature measurements. The ability to perform mathematical functions, such as summation and averaging, on the acquired data further enhances its usability.

For data storage and management, the Agilent 34970A features built-in memory for storing up to 20,000 readings. Users can also easily transfer data to a PC through the RS-232 interface or GPIB (IEEE 488) for further analysis and reporting. Additionally, it offers the capability to program automatic data logging and scheduling of measurements, which streamlines the testing process and reduces manual intervention.

In terms of user interface, the 34970A is equipped with a large graphical display that provides clear visualization of measurement data and easy navigation through settings and options. The menu-driven interface makes it accessible for users of all skill levels, simplifying the setup and operation of the device.

Overall, the Agilent Technologies 34970A stands out for its modularity, high channel capacity, advanced measurement technologies, and user-friendly interface. As a reliable and efficient data acquisition system, it is well-suited for a wide range of applications, making it an essential tool for engineers and technicians looking to enhance measurement precision and efficiency.

Agilent Technologies 34970A manual AC Accuracy Specifications

Models: 34970A