Description
Keithley 2440
High-precision source-measure unit for semiconductor and component characterization
| Brand | Keithley |
| Model | 2440 |
| Voltage | 100-240V AC, 50/60Hz |
| Country of Origin | USA |
| Weight | 5.4 kg |
| Dimensions | 89 x 213 x 370 mm |
| Warranty | 12 months |
| Certifications | CE, UL, CSA |
| SKU / MPN | 2440 |
| What’s in the box | Keithley 2440 SourceMeter, power cord, user manual, software CD, test leads, calibration certificate |
| Source Type | Voltage and Current Source/Measure |
| Maximum Voltage | ±40V |
| Maximum Current | ±1A |
| Power | 20W |
| Measurement Resolution | 6½ digits |
| Interface | GPIB, RS-232, Digital I/O |
Key benefits: Accurate sourcing and measurement, wide dynamic range, built-in sweep functions, reliable performance for R&D and production test
Typical applications: Semiconductor device characterization, LED testing, solar cell I-V measurement, battery testing, materials research
Lifecycle: Active product, supported with spare parts and calibration services
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.







Daniel W. –
Solid relay modules, good switching capacity. Perfect for our automation panel.