Keysight B2987B Electrometer: Precision Measurement of Resistance, Voltage, and Current

Keysight B2987B – Electrometer / High Resistance Meter (0.01fA), Battery Powered.

The Keysight B2987B delivers unmatched precision in low current and high resistance measurements. Designed for demanding applications in nanotechnology, materials research, and electrical calibration, this electrometer offers 0.01 femtoampere resolution, 10 PΩ resistance range, and 1,000 V sourcing — all in a battery-powered design that virtually eliminates AC power line noise from your measurements.

Its 4.3” high-visibility color display, intuitive GUI, and real-time trend/histogram analysis make it easy to visualize and record sensitive electrical behavior without the need for a PC. With 20,000 readings per second and fast statistical tools built into the front panel, this instrument is engineered for accuracy, stability, and ease of use in lab and field environments.

For a deeper dive into selecting high-performance meters, read:
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Key Features:

• Minimum Current Resolution: 0.01 fA (femtoampere)

• Maximum Resistance Measurement: 10 PΩ (Petaohm)

• Source Voltage: Up to 1000 V

• Display: 4.3” color LCD with graphical UI (trend charts, histogram, numeric)

• Data Logging Rate: 20,000 readings per second

• Power Supply: Battery-powered for low-noise operation

• Built-in Functions: Auto navigation, real-time noise monitor, onboard statistical tools

• Interfaces: USB, GPIB, LAN (optional)

• Form Factor: Bench-style, portable

Included Accessories:

• Quick Start Guide

• Power Cord

• Earthing Wire (2 m)

• USB Cable

• Ground Connection Cable (Banana to Screw-Lug)

• Triaxial Cable (1.5 m, 200 V)

• Open Caps for Triax Connector (×2)

• Alligator Clips (Black and Red)

• High Voltage Test Leads (1000 V)

• Thermocouple

• Interlock Connector Head

• Humidity Probe Connector Head

Technical Specifications:

Why Choose the Keysight B2987B?
If you’re looking for an electrometer that balances ultra-sensitive resolution, portable power, and high-voltage sourcing, the B2987B is a top-tier solution trusted by calibration labs and research institutions worldwide.

Looking for other high-precision meters? Explore our complete Bench Multimeter selection or compare options in our Electrical Test Instruments section.