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μSMU Device - Precision Source-Measure Unit for laboratory and research use

μSMU: Accurate, Reliable, Affordable

Ultra-Compact Open Source-Measure Unit for Precision Measurements

Key Benefits

Browser-based Interface

Perform I-V measurements in your browser!

Precision Measurement

10 nA current resolution and 0.6 mV voltage resolution for accurate device characterisation

Automate Your Measurements

Open-source hardware and software, with a Python library and an official SweepMe! driver for no-code automation.

Features and Applications

Hardware Features

  • • Compact 93 x 47 x 25mm form factor
  • • USB-C powered operation
  • • 2-wire BNC connection
  • • Status LED indicators
  • • Lightweight at only 55g

Software Features

  • • Free browser-based interface
  • Python library support
  • SweepMe! driver for no-code automation
  • • Real-time data plotting
  • • CSV data export

SweepMe! Driver

Drive μSMU from SweepMe! - the no-code measurement automation platform - and build repeatable, multi-instrument experiments without writing code.

Supported Features

  • • Full control of the μSMU channel over USB
  • • Voltage sourcing ±5 V with 0.6 mV resolution
  • • Current measurement down to 10 nA resolution
  • • Programmable current compliance (1 mA steps, up to ±50 mA)
  • • Automated I-V sweeps
  • • Stability measurements and continuous data logging

Great For

  • • Coordinating μSMU with other lab instruments in one sequence
  • • Photovoltaic, semiconductor, and educational research
  • • Repeatable automated measurements - no/low scripting required
View Driver on SweepMe!

Technical Specifications

Voltage Specifications
Range-5 V to +5 V
Resolution0.6 mV
Accuracy±(0.2% + 5 mV)
Current Specifications
Range-50 mA to +50 mA
Resolution10 nA
Accuracy±(0.2% + 100 nA)
Current LimitingAdjustable ±1mA to ±50mA
General Specifications
InterfaceUSB-C (USB 2.0)
Sampling20 Hz
Size93 x 47 x 25 mm

Ready to Start Measuring?

Get your μSMU today with everything you need to start making precise measurements:

  • Assembled & Calibrated μSMU
  • USB-C Cable
  • BNC-to-alligator clips
  • Calibration certificate
  • Access to our browser-based software