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Highlights

Maximize Your Measurement Confidence

The Keysight Femto / Picoammeters and Electrometers / High Resistance Meters offer best-in-class measurement performance and unprecedented features to maximize your measurement confidence. The Femto / Picoammeters and Electrometers both offer 0.01 fA (0.01 x 10-15 A) minimum current resolution, which meets virtually all existing and future low-level current measurement needs. The Electrometers feature a 1,000 V voltage sourcing capability that supports up to 10 PΩ (10 x 1015 Ω) resistance measurements. Both of the Femto / Picoammeter and Electrometer have battery powered versions to eliminate AC power line noise, providing unmatched level of noise reduction, enabling low-level measurements that were previously impossible.

  • Measure resistance up to 10 PΩ (10 x 1015 Ω)
  • Get a picoammeter and electrometer in battery-powered versions
  • Eliminate the AC power line noise when making low-level measures
  • Analyze chart results using the 4.3” liquid crystal display that supports a variety of viewing modes — numeric, trend chart, and histogram)
  • Select the appropriate measurement using the built-in real-time noise monitor
  • Capture transient device and material behavior perform a quick statistical analyses
  • Isolate the cause of noise from external setups (cables, connectors, adapters, chambers) with the Keysight optional setup integrity checker
View Fact Sheet

Key Specifications

Max Range

2 pA

Current Measurement

0.01 fA - 20 mA

Measurement Resolution

6 1/2 Digits

Connectivity

LAN, USB and GPIB

Max Speed

20,000 rdg/s

Want to see more specifications?

View Data Sheet

Notice: The B2980A series Femto / Picoammeters and Electrometers / High Resistance Meters such as B2981A, B2983A, B2985A and B2987A will be discontinued on December 1, 2021. The last day to place an order for this product is November 30, 2021. Keysight will continue to provide world-class support for this product for the standard period of 5 years.

Find The Model That's Right For You

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B2981B
World’s Only Graphical Femto / Picoammeter (0.01fA) 
Starting from  
The B2981B Femto/Picoammeter is the world’s only graphical picoammeter that allows you to confidently measures small currents with 0.01 fA (0.01 x 10-15 A) resolution. It possesses a 4.3” color LCD with a graphical user interface that provides trend chart and histogram data in addition to numeric information.
B2983B
World’s Only Battery-Powered Graphical Picoammeter (0.01fA) 
Starting from  
The B2983B Femto/Picoammeter is the world’s only graphical picoammeter that allows you to confidently measure small currents with 0.01 fA (0.01 x 10-15 A) resolution. In addition, battery operation eliminates AC line noise from your critical measurements. It possesses a 4.3” color LCD with a graphical user interface that provides trend chart and histogram data in addition to numeric information.
B2985B
World’s Only Graphical Electrometer / High Resistance Meter (0.01fA) 
Starting from  
The B2985B Electrometer/High Resistance Meter is the world’s only graphical electrometer that allows you to confidently measures small currents with 0.01 fA (0.01 x 10-15 A) resolution and large resistances of up to 10 PΩ (10 x 1015 Ω). It possesses a 4.3” color LCD with a graphical user interface that provides trend chart and histogram data in addition to numeric information.
B2987B
World’s Only Battery-Powered Graphical Electrometer / High Resistance Meter (0.01fA) 
Starting from  
The B2987B Electrometer/High Resistance Meter is the world’s only graphical electrometer that allows you to confidently measure small currents with 0.01 fA (0.01 x 10-15 A) resolution and large resistances of up to 10 PΩ (10 x 1015 Ω). In addition, battery operation eliminates AC line noise from your critical measurements.
B2981A
Easily capture transient behavior  
Starting from  
*This model will be discontinued on December 1, 2021* The Keysight B2981A is a graphical picoammeter that measures current down to 0.01 fA resolution. It features a trend chart and histogram so you can make quick statistical analyses.
B2983A
Measure With Confidence And Accuracy 
Starting from  
*This model will be discontinued on December 1, 2021* Keysight's B2980 Series graphical picometers and electrometers accurately measure down to 0.01 fA and up to 10 PΩ..
B2985A
Measure With Confidence And Accuracy 
Starting from  
*This model will be discontinued on December 1, 2021* Keysight's B2980 Series graphical picometers and electrometers accurately measure down to 0.01 fA and up to 10 PΩ..
B2987A
Measure With Confidence And Accuracy 
Starting from  
*This model will be discontinued on December 1, 2021* The Keysight B2987A electrometer / high resistance meter is a battery-powered graphical electrometer that measures current down to 0.01 fA and resistance up to 10 PΩ. It captures transient behavior and extracts the data in a trend chart and histogram so you can perform quick statistical analyses.
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Featured Resources

Data Sheets 2020.12.17

B2980B Series Femto/Picoammeter and Electrometer/High Resistance Meter

B2980B Series Femto/Picoammeter and Electrometer/High Resistance Meter

This is a data sheet for the B2980B Series Femto/Picoammeter and Electrometer.

2020.12.17

Product Fact Sheets 2021.01.10

B2980B Series Femto/Picoammeter & Electrometer/High Resistance Meter

B2980B Series Femto/Picoammeter & Electrometer/High Resistance Meter

This product fact sheet describes the B2980B Series is the world’s only graphical Picoammeter/Electrometer that can confidently measure down to 0.01 fA and up to 10 PΩ.

2021.01.10

Configuration Guides 2021.03.16

B2980B Series Femto/Picoammeter and Electrometer/High Resistance Meter

B2980B Series Femto/Picoammeter and Electrometer/High Resistance Meter

This configuration guide contains a step-by-step process to help customers or sales reps configure a B2980B Series Femto/Picoammeters & Electrometers.

2021.03.16

Flyers 2015.02.22

N1414A High Resistance Measurement Universal Adapter Simplifies High Resistance Measurement Cabling

N1414A High Resistance Measurement Universal Adapter Simplifies High Resistance Measurement Cabling

This application brief introduces the benefit of the N1414A High resistance measurement universal adapter to be used with the B2985A/87A Electrometers/High resistance meters.

2015.02.22

Application Notes 2018.03.08

Reliable High-Resistance Measurements Using the B2985A/87A

Reliable High-Resistance Measurements Using the B2985A/87A

This paper explains how easy it is to make accurate high resistance measurements using Keysight’s Electrometer / High Resistance Meter B2985A / 87A.

2018.03.08

Application Notes 2018.03.08

Low Current Semiconductor Measurements Using the B2980A

Low Current Semiconductor Measurements Using the B2980A

Low current semiconductor measurements are a key performance metric for picoammeters and electrometers. Get great measurement performance from Keysight’s B2980A.

2018.03.08

Application Notes 2016.10.24

Characterization Efficiency with B2900’s Easy File Access

Characterization Efficiency with B2900’s Easy File Access

This application brief introduces convenient function to manage files on the B2900 precision instrument family via Windows Explorer called Easy File Access.

2016.10.24

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