Chapter 9 Specifications

DC, Resistance, and Temperature Accuracy Specifications

DC, Resistance, and Temperature Accuracy Specifications

± ( % of reading + % of range ) [1]

Includes measurement error, switching error, and transducer conversion error

Function

Range [3]

Test Current or

24 Hour [2]

90 Day

1 Year

Temperature

Coefficient /°C

 

 

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

+

0.0035

0.0040

+ 0.0040

0.0050

+ 0.0040

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

 

300.000 V

 

0.0020

+

0.0020

0.0035 + 0.0030

0.0045 + 0.0030

0.0005 + 0.0003

Resistance [4]

100.0000 Ω

1 mA current source

0.0030

+

0.0035

0.008

+ 0.004

0.010

+ 0.004

0.0006 + 0.0005

 

1.000000 kΩ

1 mA

0.0020

+

0.0006

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 burden

0.005 + 0.010

0.030

+ 0.020

0.050

+ 0.020

0.002 + 0.0020

34901A Only

100.0000 mA

< 0.6 V

0.010 + 0.004

0.030

+ 0.005

0.050

+ 0.005

0.002 + 0.0005

 

1.000000 A

< 2 V

0.050 + 0.006

0.080

+ 0.010

0.100

+ 0.010

0.005 + 0.0010

Temperature

Type

Best Range Accuracy [5]

Extended Range Accuracy [5]

 

Thermocouple [6]

B

1100°C to 1820°C

1.2°C

400°C to 1100°C

1.8°C

0.03°C

 

E

-150°C to 1000°C

1.0°C

-200°C to -150°C

1.5°C

0.03°C

 

J

-150°C to 1200°C

1.0°C

-210°C to -150°C

1.2°C

0.03°C

 

K

-100°C to 1200°C

1.0°C

-200°C to -100°C

1.5°C

0.03°C

 

N

-100°C to 1300°C

1.0°C

-200°C to -100°C

1.5°C

0.03°C

 

R

300°C to 1760°C

1.2°C

-50°C to 300°C

1.8°C

0.03°C

 

S

400°C to 1760°C

1.2°C

-50°C to 400°C

1.8°C

0.03°C

 

T

-100°C to 400°C

1.0°C

-200°C to -100°C

1.5°C

0.03°C

 

 

 

 

 

 

 

 

 

RTD

R0 from 49Ω

-200°C to 600°C

0.06°C

 

 

 

 

0.003°C

 

to 2.1 kΩ

 

 

 

 

 

 

 

 

 

Thermistor

2.2 k, 5 k, 10 k

-80°C to 150°C

0.08°C

 

 

 

 

0.002°C

[1]Specifications are for 1 hour warm up and 61⁄2 digits

[2]Relative to calibration standards

[3]20% over range on all ranges except 300 Vdc and 1 Adc ranges

[4]Specifications are for 4-wire ohms function or 2-wire ohms using Scaling to remove the offset. Without Scaling, add 4Ω additional error in 2-wire ohms function.

[5]1 year accuracy. For total measurement accuracy, add temperature probe error.

[6]Thermocouple specifications not guaranteed when 34907A module is present

404

Page 405 Page 407
Page 406
Image 406
Agilent Technologies 34970A manual DC, Resistance, and Temperature Accuracy Specifications
Page 405 Page 407

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.
Top Page Image Contents