Electronic & RF

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Product Code: B2981A

$12178.10 inc GST
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Estimated Leadtime: 6 weeks
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The B2981A Femto/Picoammeter is the world’s only graphical picoammeter that allows you to confidently measures small currents with 0.01 fA 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. These front-panel capabilities enable you to capture transient behavior and perform quick statistical analyses without a PC. The available Setup Integrity Checker software option allows you to compare the noise levels of different cabling and fixturing arrangements to help isolate external noise sources.


  • 0.01 fA minimum measurement resolution
  • 20,000 readings/s
  • < 20 µV burden voltage
  • Time domain view to capture transients
  • Histogram view to perform quick data analysis
  • Easy-to-use auto navigation

Technical Specifications

Current measurement
0.01 fA - 20 mA
Maximum reading rate
20,000 rdg/s
Measurement resolution
6½ digits
Minimum range
2 pA

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