The Keysight (Agilent) 4339B is a high-resistance meter / megohmmeter designed for precise evaluation of high-resistance materials, leakage currents, and insulation resistance of electronic components. It offers a wide measurement range, built-in DC test voltage source up to 1000 V, rapid 10 ms measurement times, and standard interfaces for integration into automated test environments.

Specifications

General

ParameterValue
InterfacesGPIB, Handler, External Trigger, Safety Interlock
DisplayBacklit LCD, 3 / 4 / 5 digits selectable
Built-in Self-TestYes

Physical

ParameterValue
Power Supply90 - 132 V / 198 - 264 V AC, 47 - 66 Hz, 45 VA max
Operating Temperature0 to 55 °C
Dimensions (W×H×D)320 mm x 100 mm x 450 mm
Weight6.5 kg

Measurement Performance

ParameterValue
Measurement ParametersR (Resistance), I (Current), Rv (Volume Resistivity), Rs (Surface Resistivity)
Resistance Measurement Range1 kΩ to 1.6 x 10^16 Ω
Current Measurement Range60 fA to 100 μA
Basic Resistance Accuracy0.6%
Measurement Speed10 ms (Short), 30 ms (Medium), 390 ms (Long)
Display Resolution3, 4, or 5 selectable digits
Resistivity CalculationsSupported (Surface and Volume)
Error CorrectionOpen compensation
Contact Check FunctionYes
Basic Current Accuracy0.4%
Ranging ModesAuto and Manual
Max Display Digits5 digits

DC Test Voltage Source

ParameterValue
Output Voltage Range0.1 to 1000 Vdc
Voltage Resolution0.1 V (0.1 to 200 V), 1.0 V (200 to 1000 V)
Maximum Output Current10 mA

Measurement Timing and Triggering

ParameterValue
Test Sequence FunctionCharge, measure, discharge (automatic)

System Integration and Interfaces

ParameterValue
GPIB InterfaceStandard
Handler InterfaceStandard
Safety InterlockYes
Grounded DUT MeasurementSupported

Supported Test Fixtures and Accessories

ParameterValue
Resistivity Cell Compatibility16008B
Component Test Fixture Support16339A
Shielded Test Leads Compatibility16117B/C

Physical, Power, and Environmental

ParameterValue
Line Voltage Requirements90 V to 132 V / 198 V to 264 V AC
Line Frequency47 to 66 Hz
Power Consumption45 VA max
Operating Temperature Range0 to 55 °C
Operating Humidity Range<= 70% RH at 40 °C

DC Voltage Source

ParameterValue
Voltage Source Output Step Size (0 to 200 V)0.1 V
Voltage Source Output Step Size (200 to 1000 V)1.0 V
Voltage Source Accuracy (0 to 200 V)±(0.16% + 100 mV)
Voltage Source Accuracy (200 to 1000 V)±(0.16% + 500 mV)

Performance

ParameterValue
Measurement Integration Time (Short)10 ms
Measurement Integration Time (Medium)30 ms @ 60 Hz, 36 ms @ 50 Hz
Measurement Integration Time (Long)390 ms @ 60 Hz, 470 ms @ 50 Hz
Measurement Averaging Range1 to 256

General Specifications

ParameterValue
Warm-up Time30 minutes

Programming & Control

ParameterValue
Command LanguageSCPI

Triggering

ParameterValue
Trigger SourceInternal, Manual, External, or GPIB (Bus)

Calibration & Standard

ParameterValue
Calibration Interval1 Year

Test Sequence Function

ParameterValue
Sequence StepsCharge, Measure, Discharge

Applications

Leakage current and insulation resistance evaluation of components, and surface/volume resistivity measurements of materials