Keithley 237 High Voltage Source Measurement Unit (SMU)
The Keithley 237 High Voltage Source Measurement Unit (SMU) is an advanced, fully programmable device that excels in sourcing and measuring voltage or current simultaneously. This versatile SMU integrates four essential instruments into one compact unit: current source, voltage source, current measurement, and voltage measurement. Its exceptional sensitivity and extensive dynamic range make it ideal for accurate characterization of various properties, including insulation resistance, leakage current, and dissipation factors. Perfect for a diverse range of applications, from general testing to semiconductor and materials testing.
Features and Specifications
- Four Instruments in One: Combines voltage sourcing, voltage measuring, current sourcing, and current measuring capabilities.
- Wide Dynamic Range:
- Voltage sourcing range: 100 µV to 1100 V
- Current sourcing range: 100 fA to 100 mA
- Voltage measurement range: 10 µV to 110 V
- Current measurement range: 10 fA to 100 mA
- Note: For higher voltage ranges, maximum current source and measurement is limited to 10 mA.
- Selectable Sweeps of Voltage and Current:
- Programmable source-measurements based on stepped voltage or current.
- Supports linear, logarithmic, or pulsed sweeping methodologies.
- Fully Guarded Outputs and Inputs: Configured for four-terminal and two-terminal measurements, allowing versatility in testing.
- Floating Outputs: Two-terminal measurement outputs can float up to ±200 V from ground.
- Sensitivities: Exceptional measurement sensitivity of 10 fA and 10 µV.
- High Voltage Capability: 1100 V source and measurement capabilities.
- Standard and Custom Sweep Capability: Includes pulse options for enhanced testing flexibility.
- Rapid Measurements: Capable of performing 1000 source/measurements per second.
- Four Quadrant Source Operation: Facilitates a broad range of application scenarios.
- Internal Memory: Features a 1000-reading internal memory for efficient data capture.