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 characterize and test components with exceptional accuracy. This makes them essential in industries such as semiconductor testing, battery research, materials science, and electronic component validation.

Key Features of an SMU:

  • Four-Quadrant Operation – Can source and sink power, enabling full testing of active and passive components.
  • High Accuracy & Resolution – Delivers precise voltage and current control down to microamp or even picoamp levels.
  • Fast Response Time – Ideal for transient and dynamic testing applications.
  • Integrated Measurement Functions – Reduces the need for external meters, simplifying test setups.

Whether you’re developing next-generation semiconductors, testing high-efficiency LEDs, or analyzing battery performance, SMUs provide a versatile and reliable solution for precision measurement and power control.

Explore our range of high-performance SMUs below to find the perfect fit for your testing needs.

Series Maximum Voltage Voltage ranges Price From
TTI SMU4000 ±21V, ±210V 20mV to 200V £3,050.00
Category Description Price from
TTI SMU4000 Series Source Measure Unit TTI-SMU4000-Source-Measure-Unit-Front <img class="alignleft wp-image-25745 " src="https://telonic.co.uk/jg/wp-content/uploads/2025/02/TTI-SMU4000-Source-Measure-Unit-Category-1024x510.jpg" alt="" width="900" height="449" /> <ul> <li>4-quadrant Source, Sink & Measure</li> <li>0.015% basic accuracy with 6½ digit resolution.</li> <li>Sense terminals for 4 wire operation and guard capabilities</li> <li>PowerFlex technology: up to ±210V, up to ±3.15A (SMU4201) or up to ±21V, up to ±3.15A (SMU4001), 25W power envelope.</li> <li>0.1µV & 100fA resolution</li> <li>Fast measurement speeds up to 200µs (5k/s)</li> <li>Continuous or pulsed high speed outputs with Linear/Log or arbitrary list sweeps</li> <li>Compact size</li> <li>Internal memory, up to 100k measurements, up to 100k steps</li> <li>‘SMU Link’ allows two SMUs to be linked together for synchronous operation (optional accessory)</li> <li>Full control of multiple units with Test Bridge SMU Windows software (free download)</li> </ul> The SMU4000 Series provides class leading performance at a new and affordable price point for a four quadrant SMU. Combining touch screen technology with an intuitive graphical user interface provides a clear and natural flow through the test and measurement process. Integrating a fast and agile, high power four quadrant Voltage/ Current source and advanced precise Voltage/Current meters in a compact half rack 2U casing, capable of precisely supplying positive and negative voltages, sourcing or sinking power, while simultaneously measuring both current and voltage for I-V characterising. With high current and power combined with fast measurements and low glitch auto ranging speed, it is the ideal solution for industrial development as well as educational environments, identifying the SMU as the all-in-one solution for simplifying test applications such as battery charging/discharging, I-V characterising, semiconductor testing and much more. <div class="SC_product_table2"> <div class="page_table"> <table> <thead> <tr> <th>Model</th> <th>Maximum Voltage</th> <th>Voltage ranges</th> <th>Price From</th> </tr> </thead> <tbody> <tr> <td class="SC_product_table_manu">SMU4001</td> <td>±21V</td> <td>20mV to 20V</td> <td>-</td> </tr> <tr> <td class="SC_product_table_manu">SMU4201</td> <td>±210V</td> <td>20mV to 200V</td> <td>-</td> </tr> </tbody> </table> </div> </div> £3,050.00
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TTI SMU4001 Source Measure Unit ±21V, ±3.15A, 25W