Overview
The Keithley 2400 is a single-channel SourceMeter source measure unit for DC component characterization. It combines a programmable voltage or current source with voltage, current, and resistance measurements in one instrument. Four-quadrant operation supports both sourcing and sinking within the model’s operating limits.
The 2400 is nominally rated at 20 W, with operating points of 200 V at 100 mA or 20 V at 1 A. Voltage and current maxima apply to different parts of the operating envelope. Continuous high-current sourcing, sink operation, and elevated ambient temperature require the derating described in the manufacturer documentation.
Local and remote sensing, guarded resistance measurements, and linear, logarithmic, or custom sweeps support leakage, diode, LED, resistor, and other I-V tests. The source-memory sequencer stores up to 100 instrument configurations, while reading buffers hold up to 5,000 readings at five digits. GPIB, RS-232, Trigger Link, and digital I/O support integration with automated test systems.
The data sheet identifies the 2400 as a legacy model. The ranges below come from the actual 2400 rows; higher-voltage and higher-current ratings elsewhere in the Series 2400 document belong to other models. Resolution values are range-dependent and do not state measurement accuracy.
Manufacturer image reference: The photograph shows a Keithley 2400 as a model reference. It does not establish the offered unit’s appearance or included accessories.
Specifications
DC Source and Operating Envelope
- SMU channels
- 1
- Nominal DC power rating
- 20 W; continuous sink and high-current operation are subject to the manufacturer thermal and duty-cycle limits
- Nominal voltage capability
- 200 V; available current depends on the operating point
- Nominal current capability
- 1 A; available voltage depends on the operating point
- Nominal operating points
- 200 V at 100 mA or 20 V at 1 A, with either polarity
- Source and sink operation
- Four quadrants; source voltage or current, with programmed compliance limits
Measurement and Sensing
- Measurement functions
- Voltage, current, and resistance
- Measurement resolution
- Up to 6.5 digits; selected speed and range affect resolution
- Voltage ranges
- 200 mV, 2 V, 20 V, and 200 V
- Current ranges
- 1 µA, 10 µA, 100 µA, 1 mA, 10 mA, 100 mA, and 1 A
- Lowest-range voltage measurement resolution
- 1 µV on the 200 mV range; resolution is not accuracy
- Lowest-range current measurement resolution
- 10 pA on the 1 µA range; resolution is not accuracy
Test Sequencing and Interfaces
- Remote interfaces
- IEEE-488/GPIB (SCPI 1995.0), RS-232, and Keithley Trigger Link
- Sweep modes
- Linear staircase, logarithmic staircase, and custom sweeps
- Source-memory sequence
- Up to 100 instrument configurations
- Reading memory
- 5,000 readings at five digits; two 2,500-point buffers
- Digital I/O
- One trigger input and four TTL/relay-drive outputs
- Sense connections
- Local two-wire, remote four-wire, and guarded six-wire resistance configurations
Sales and Service
- Warranty
- 6-Month Warranty
- Calibration Status
- Calibration certificate or test report available (as stated in your quotation)
- Manufacturer-Listed Standard Accessories
- Test leads.
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