Keysight / Agilent B2981A Femto / Picoammeter

Experience cutting-edge measurement performance with the Keysight / Agilent B2981A Femto / Picoammeter, engineered for precision in low-level current measurements. This advanced device provides outstanding minimum current resolution, ideal for all your measurement needs, while offering voltage sourcing capabilities for enhanced resistance assessments. The B2981A features a unique color LSD display for versatile data visualization and integrated front-panel functions that enable transient behavior capture and immediate statistical analysis without the necessity for a PC.

Key Features and Specifications

Features:

• Graphical Capabilities:
  • Time domain view for transients capture
  • Histogram view for fast data analysis
• Intuitive navigation for optimal range and aperture selection
• Optional Test Setup Integrity Checker for noise source isolation
• Diverse connectivity options: USB 2.0, LAN, GPIB, LXI Core
• Front USB interface for data storage and setup recall
• Complimentary PC control software available
• Applications:
  • Material science (biomaterials, ceramics, elastomers, films, etc.)
  • Devices & electronic components (capacitors, diodes, sensors, etc.)
  • Electronic/non-electronic systems (ion beam, sensing systems, etc.)

Specifications:

• Measurement resolution: 6½ digits
• Current measurement range: 0.01 fA - 20 mA
• Minimum current range: 2 pA
• Maximum reading rate: 20,000 rdg/s
• Burden voltage in low current range: < 20 µV
• Voltage Measurement:
  • 2 V Range:
    • Display resolution: 1 µV
    • Accuracy ±(% + offset): 0.025 + 40 µV
  • 20 V Range:
    • Display resolution: 10 µV
    • Accuracy ±(% + offset): 0.025 + 400 µV
• Input bias current: < 20 fA
• Input impedance: > 200 TΩ (non-guarded) or < 2 pF (guarded)
• RMS noise: 1.4 µV for 2 V range (10 s duration, shorted input)
• Measurement Control/Navigational Functions:
  • Automatic or manual ranging options
  • Aperture time: 10 µs to 100 PLC
  • Offset cancelling, digital filtering, and statistical functionalities available
  • Line frequency detection: Automatic (50 Hz or 60 Hz)
• Front Panel Operation:
  • 4.3" TFT color display, keypads, and rotary knob
  • Multiple view modes: Meter, Graph, Histogram, Roll view
  • Hard and soft key controls for easy operation
• Input/Output Specifications:
  • Meter input connector: Three lug triaxial on rear panel
  • Maximum input: Ammeter 30 mA, Voltmeter 40 V
  • Common mode voltage: Meter common 500 V peak; V Source 1,000 V peak
  • Analog output: 2 V for full range input, with 1 kΩ output impedance
  • Digital I/O: DSUB female 9 pins for versatile control

Explore More:

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