Agilent/Keysight 4339B

The Agilent/Keysight 4339B is a precision high resistance meter engineered for measurement of resistance values spanning 10 kΩ to 1.6 × 10¹⁶ Ω and currents from 60 fA to 100 µA. It delivers ±0.6% basic accuracy across automated and manual test sequences, making it essential for insulation testing, component qualification, and materials characterization in manufacturing and laboratory environments.

Technical Specifications

• Resistance: 10 kΩ to 1.6 × 10¹⁶ Ω


• Current: 60 fA to 100 µA


• Test voltage: 0.1 Vdc to 1000 Vdc with 0.1 Vdc resolution (0.1–200 V) and 1 V steps (200 V–1 kV)


• Test signal level: 1 µA, 10 µA, 100 µA, 1 mA, 10 mA rms


• High-speed measurement: 10 ms; contact check: 2 ms Current Limits


• 10 mA @ <100 V; 5 mA @ <250 V; 2 mA @ <500 V; 1 mA @ 1 kV Power & Interface


• 90–132 Vac or 198–264 Vac, 47–66 Hz, 45 VA typical


• GPIB communication; handler interface with isolated control signals


• Input/output resistance: 1 kΩ

Key Features

• Auto and manual ranging with hold capability


• Surface resistivity (ρs) and volume resistivity (ρv) calculations


• Automated charge-measure-discharge test sequence programming


• Grounded device-under-test measurement


• Built-in comparator for high/in/low test classification


• Contact check function with 2 ms response


• Error correction to eliminate parasitic influence


• Save/recall storage for up to 10 measurement states

Typical Applications Insulation material testing, electromechanical component validation, semiconductor device qualification, and quality control of high-impedance electronic assemblies requiring sub-femtoamp sensitivity and stable voltage sourcing.

Compatibility & Integration Accepts test leads up to 2 m maximum length. Compatible with 16008B resistivity cells for solid sheet materials, 16117B/C low-noise test lead assemblies, and external automated test handlers via isolated handler interface with index, EOM, alarm, and trigger signals.