The miniSMU MS01 combines precision measurement capabilities with practical design considerations to provide an exceptional testing experience. Here are its key features and benefits:
Dual-Channel Operation
Two independently controllable SMU channels allow for simultaneous testing of multiple components or comparative analysis. This feature is especially valuable for:
- Testing multiple devices in parallel
- Testing transistors where the Gate-Source and Drain-Source must be driven and measured simultaneously
- Testing matched pairs of components
- Comparing performance characteristics between devices
- Powering a device while measuring its output
- Characterising differential circuits
Full 4-Quadrant Functionality
The miniSMU MS01 is capable of both sourcing and sinking voltage or current, providing flexibility for a wide range of testing scenarios. 4-quadrant operation means:
- Can source positive voltage and measure positive current (Quadrant 1)
- Can source positive voltage and measure negative current (Quadrant 2)
- Can source negative voltage and measure negative current (Quadrant 3)
- Can source negative voltage and measure positive current (Quadrant 4)
This complete coverage allows for comprehensive characterisation of components like solar cells, batteries, and bidirectional circuits.
4-Wire Kelvin Sensing
The miniSMU MS01 supports 4-wire (Kelvin) measurement mode for high-accuracy voltage measurements that eliminate lead resistance errors:
- CH1 acts as the source/force channel
- CH2 acts as the sense channel (high impedance)
- Measurements return CH1 current + CH2 voltage (true DUT voltage)
- Ideal for low-resistance measurements where cable/contact resistance would affect accuracy
When 4-wire mode is enabled via the companion app or Python library, Channel 2 is reserved exclusively for sensing.
High Precision
The miniSMU MS01 provides laboratory-grade precision in a compact form factor:
- Voltage range: -12V to +12V with mV accuracy
- Current range: -180mA to +180mA with resolution down to 10nA across 5 sub-ranges
The auto-ranging current measurement capability ensures optimal precision across a wide dynamic range, perfect for characterising devices with varying current requirements.
Compact Design
With dimensions of just 137x82x29mm, the MS01 is easily portable and space-efficient in any workspace. Its small footprint makes it ideal for:
- Space-constrained laboratory benches
- Field testing applications
- Educational settings with limited resources
- Temporary measurement setups
Flexible Power Options
The miniSMU MS01 offers versatile power solutions to fit your testing requirements:
- Operate via USB-C for currents up to 50mA per channel
- Use the included 12V DC adapter for full current range (up to 180mA)
This flexibility allows you to choose between the convenience of USB power for lower-power applications and the full capability of the external power supply when needed.
Versatile Connectivity
Connect via USB or WiFi 4 (802.11b/g/n) for easy integration into your testing setup:
- USB Connection: Direct, reliable connection for standalone operation
- WiFi Connection: Remote operation capabilities for integration into automated testing systems or operation in difficult-to-access locations
Intuitive Software Interface
The companion "miniSMU" software enables advanced measurements including:
- I-V curves
- Stability tests
- Maximum power point tracking
- Data logging
- Automated sweep measurements
- Real-time monitoring
The software interface provides both immediate results for quick tests and comprehensive data analysis for in-depth research applications.