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In summary, the Keithley 2400 is a single-channel source-measure unit (SMU) from the Series 2400 SourceMeter line, combining a precision DC voltage and current source with an instrument-grade 5.5-digit multimeter rated at 200 V, 1 A, 20 W. It functions as a voltage source, current source, voltmeter, ammeter, and ohmmeter in one compact half-rack chassis.
The 2400 is used to source voltage or current while simultaneously measuring the resulting current, voltage, or resistance - the core task of I-V (current-voltage) characterization. It is applied to discrete semiconductors, ICs, laser diodes and LEDs, photodetectors, circuit-protection devices, connectors, and relays.
By linking source and measurement circuitry in one unit, the 2400 reduces GPIB traffic, simplifies remote programming, and protects the device under test through programmable compliance limits that clamp the source at a set level. Standard, logarithmic, and custom sweeps plus a 100-point Source Memory list let it run complete test sequences without continuous computer control.
Factually, the 2400 provides 0.012% basic measure accuracy at 5.5-digit resolution, delivers up to 1700 readings/second at 4.5 digits to the GPIB bus, and stores 5,000 readings in non-volatile buffer memory. Its onboard pass/fail comparator executes limit tests as fast as 500 microseconds per point, supporting fast sorting and binning in production environments.
As documented in the Series 2400 literature, the line conforms to European Union directives EN 61010-1 (safety) and EN 61326-1 (EMC) and to MIL-PRF-28800F Class 3 random vibration. Keithley has been the recognized reference for precision low-level source-measure instrumentation since the Series 2400 was introduced, and it is widely used in semiconductor and materials-science laboratories. Calibration is offered as an orderable upgrade - Z540.1, ISO 17025, and Z540.3 guardbanding options are available to match a buyer's quality-system requirements.
The Keithley 2400 packages a stable DC source with a true instrument-grade meter. The following specifications are drawn from the Series 2400 datasheet.
| Maximum source voltage | 200 V |
|---|---|
| Maximum source current | 1 A |
| Maximum power | 20 W |
| Measurement resolution | 5.5 digits |
| Basic measure accuracy | 0.012% of reading |
| Source/measure functions | V source, I source, V measure, I measure, ohms (5-in-1: IV source, IVR measure) |
| Operation | Source and sink, 4-quadrant |
| Remote sense | 2-, 4-, and 6-wire V-source and measure sensing |
| GPIB throughput | Up to 1700 readings/second at 4.5 digits |
| Memory buffer | 5,000 readings at 5.5 digits (two 2,500-point buffers), 3 yr+ battery backup |
| Source memory list | Up to 100 instrument configurations, pass/fail as fast as 500 microseconds per point |
| Sweep waveforms | Linear staircase, logarithmic staircase, custom |
| Interfaces | IEEE-488 (SCPI-1995.0) GPIB, RS-232, Keithley Trigger Link |
| Digital I/O | Component handler interface, start/end of test, 3 category bits, 5 V at 300 mA supply |
| Power supply | 100 V to 240 V rms, 50-60 Hz (auto-detected) |
| Safety / EMC | EN 61010-1 (73/23/EEC); EN 61326-1 (89/336/EEC) |
| Vibration | MIL-PRF-28800F Class 3 Random |
| Warm-up | 1 hour to rated accuracy |
| Operating environment | 0 to 50 C, 70% R.H. up to 35 C |
| Dimensions (rack) | 3.5 in x 8.375 in x 14.5625 in (89 mm x 213 mm x 370 mm) |
| Dimensions (bench, with handle/feet) | 4.125 in x 9.375 in x 14.5625 in (104 mm x 238 mm x 370 mm) |
| Weight | 7.08 lb (3.21 kg) |
This webpage was written by a human with an A.I. 'Intern', which may contain errors. Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome - please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
Keithley
Condition
New
Manufacturer
Keithley
Volts
200 V
Volts
20 W
Amps
1 A
3Y-EW
1-year factory warranty extended to 3 years from date of shipment
5Y-EW
1-year factory warranty extended to 5 years from date of shipment
EW
1-year factory warranty extended to 2 years from date of shipment
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