Source Measure Units

A Source Measure Unit (SMU) is an advanced instrument that combines the capabilities of a precision power supply, a digital multimeter, and an electronic load in a single device. SMUs are designed for applications where accurate voltage and current sourcing, as well as simultaneous measurement, are critical.

Unlike traditional power supplies, which simply provide voltage or current, SMUs offer precise control and rapid feedback, allowing engineers to characterise and test components with exceptional accuracy. This makes them essential in industries such as semiconductor testing, battery research, materials science, and electronic component validation.

Why Choose a Source Measure Unit?

Four-Quadrant Operation: Seamlessly source and sink power to test both active and passive components in a single setup.
Precision Control: Deliver and measure voltage and current with exceptional resolution, down to microamp or picoamp levels.
All-in-One Integration: Combines a power supply, 6.5-digit multimeter, and electronic load into one compact instrument.
High-Speed Dynamics: Rapid feedback loops and fast response times, ideal for transient analysis and high-throughput testing.

Core Applications

Semiconductor Characterisation: Measuring I-V curves for diodes, transistors, and integrated circuits with lab-grade accuracy.
Nanotechnology & Materials: Testing low-resistance materials and carbon nanotubes where ultra-low current measurement is vital.
Green Energy Research: Evaluating the efficiency of high-brightness LEDs, solar cells, and small-scale energy harvesting devices.
Sensor Validation: Providing stable bias voltages while simultaneously capturing minute output signals from precision sensors.

SeriesManufacturerImageChannel RangeDC VoltageDC CurrentPulsed CurrentCurrent Res.Current RangesVoltage Res.Voltage RangesTrigger Int.Price From
SMM3000X SeriesSiglentSMM3312X TelonicUK2, 1±210 V±3.03 A±10.5 A10 fA10 nA - 3 A100 nV200 mV - 200 V10 μs£4,069.00
SMU4000 SeriesTTITTI SMU4000 Source Measure Unit Front1±21 V,
±210 V		±3.15 A-100 fA200 nA - 3 A10 nV20mV - 20V,
20mV - 200V		10 μs£3,033.00
  • SMM3311X TelonicUK

    Siglent SMM3311X 1 Channel, ±210V, ±3.03A, 31.8W, 10fA, 100nV Resolution Source Measure Unit

    £4,069.00

    Available on back-order

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • SMM3312X TelonicUK

    Siglent SMM3312X 2 Channel, ±210V, ±3.03A, 31.8W, 10fA, 100nV Resolution Source Measure Unit

    £7,200.00

    Available on back-order

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • TTI SMU4001 Source Measure Unit Frontnewer

    TTI SMU4001 Source Measure Unit ±21V, ±3.15A, 25W

    £3,033.00

    Available on back-order

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • TTI SMU4000 Source Measure Unit Front

    TTI SMU4201 Source Measure Unit ±210, ±3.15A, 25W

    £4,003.00

    Available on back-order

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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