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Keithley

Keithley 238

High Current Source Measure Unit
1 mV to 1100 V Voltage Source Range
100 fA to 1 A Current Source Range
1 mV to 1100 V Voltage Measurement Range
100 fA to 1 A Current Measurement Range
10 fA Minimum Current Measurement Resolution
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Attribute Value
Voltage Source Range 1 mV to 1100 V
Current Source Range 100 fA to 1 A
Voltage Measurement Range 1 mV to 1100 V
Current Measurement Range 100 fA to 1 A
Minimum Current Measurement Resolution 10 fA
Maximum Source Power 2 W
IEEE-488 Interface Yes (GPIB)
Measurement Functions Source-Measure, Voltage, Current, Resistance
Sweep Capability Linear and Logarithmic Sweeps
Operating Temperature Range 0°C to 50°C
Keithley 238 Options:
  • 238 - 8000-10 - Equipment Rack for 3 SMUs (10 in.)
  • 238 - 8000-14 - Equipment Rack for 4 SMUs (14 in.)
Calibration Form Keithley 238

Repair Form Keithley 238
Maximum file size: 40MB

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Model238

The Keithley 238 Source Measure Unit integrates four instruments in one, enabling simultaneous voltage or current sourcing and measurement. It features advanced ranging modes, programmable sweep functions, and high-resolution timing for precise electronic testing. Key functions include auto-ranging source/measure, user-configurable delays, and real-time averaging for enhanced accuracy.

Ideal for DC source or meter tasks, it supports sweep sequences with storage for up to 1000 data points and multiple triggering options.

Testwall can supply the used Keithley 238, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keithley 238.

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