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2400C Keithley Sourcemeter

Used

The 2400C is a 20 watt Sourcemeter from Keithley. Source meter instruments are a type of electronic test equipment that measures and logs precise voltage and current data. Source meters collect information with high accuracy, ideal for current-voltage (I-V) characterization, semiconductor testing, and testing devices with both positive and negative current source values.

Additional Features:

  • 200V, 1A, 20W SourceMeter with Contact Check
  • Five instruments in one (IV Source, IVR Measure)
  • Source and sink (4-quadrant) operation
  • 0.012% basic measure accuracy with 5½-digit resolution
  • 2-, 4-, and 6-wire remote V-source and measure sensing
  • 1700 readings/second at 4½ digits via GPIB
  • Pass/Fail comparator for fast sorting/binning
  • Available high speed sense lead contact check function
  • Programmable DIO port for automation/handler/prober control
  • Standard SCPI GPIB, RS-232, and Keithley Trigger Link interfaces
  • Keithley LabTracer 2.0 I-V curve tracing application software (download)

The Keithley 2400C SourceMeter is a 20W instrument that allows sourcing and measuring voltage from 5V (sourcing) and 1V (measuring) to 200V DC and current from 10pA to 1A. The Keithley 2400C is well-suited for testing a wide range of devices, including diodes, resistors, resistor networks, active circuit protection devices, and portable battery-powered devices and components. The Keithley 2400C's also useful for systems power sourcing and IDDQ testing applications.

The contact check function detects measurements that may be in error due to excessive resistance in the force or sense leads when making remotely sensed (Kelvin) measurements. There are many potential sources for this resistance, including poor contact at the DUT, failing relay contacts on a switching card, and wires that are too long or thin.

Advantages of a Tightly Integrated Instrument

By linking source and measurement circuitry in a single unit, these instruments offer a variety of advantages over systems configured with separate source and measurement instruments. For example, they minimize the time required for test station development, setup, and maintenance, while lowering the overall cost of system ownership. They simplify the test process itself by eliminating many of the complex synchronization and connection issues associated with using multiple instruments. And, their compact half-rack size conserves precious “real estate” in the test rack or bench.

Power of Five Instruments in One (IV Source, IVR Measure)

The tightly coupled nature of a SourceMeter instrument provides many advantages over separate instruments. For example, it provides faster test times by reducing GPIB traffic and simplifies the remote programming interface. It also protects the device under test from damage due to accidental overloads, thermal runaway, etc. Both the current and voltage source are programmable with readback to help maximize device measurement integrity. If the readback reaches a programmed compliance limit, then the source is clamped at the limit, providing fault protection.

I-V Characteristics

All SourceMeter instruments provide four-quadrant operation. In the first and third quadrants they operate as a source, delivering power to a load. In the second and fourth quadrants they operate as a sink, dissipating power internally. Voltage, current, and resistance can be measured during source or sink operation.

Optional Contact Check Function

The Contact Check function makes it simple to verify good connections quickly and easily before an automated test sequence begins. This eliminates measurement errors and false product failures associated with contact fatigue, breakage, contamination, loose or broken connection, relay failures, etc. Some capabilities of this function are:

  • 350µs verification and notification process time
  • The output of the SourceMeter instrument is automatically shut off after a fault and is not re-activated until good contact is verified, protecting the device under test from damage and the operator from potential safety hazards
  • 3 pass/fail threshold values: 2W, 15W, and 50W
  • No energy passes through the device under test during the operation
  • Enabled either from the front panel or remotely over the GPIB
  • 3 fault notification methods
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