
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
Technical Specifications
| Voltage Specifications | |
|---|---|
| Range | -5 V to +5 V |
| Resolution | 0.6 mV |
| Accuracy | ±(0.2% + 5 mV) |
| Current Specifications | |
|---|---|
| Range | -50 mA to +50 mA |
| Resolution | 10 nA |
| Accuracy | ±(0.2% + 100 nA) |
| Current Limiting | Adjustable ±1mA to ±50mA |
| General Specifications | |
|---|---|
| Interface | USB-C (USB 2.0) |
| Sampling | 20 Hz |
| Size | 93 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
