The Ossila Solar Cell I-V Test System (manual version) is a compact source measure setup for characterizing photovoltaic devices. It records the current-voltage curve of a solar cell, and the bundled PC software then works out the main performance figures automatically: power conversion efficiency (PCE), fill factor (FF), short-circuit current density (Jsc), open-circuit voltage (Voc), maximum power (Pmax), shunt resistance (Rsh) and series resistance (Rs).
The unit can apply voltages from -10 V to +10 V with a resolution of 170 µV and measures currents from ±10 nA up to ±200 mA. In the manual configuration, switches on the test board let the user select each pixel on a multi-cell substrate in turn. Repeated I-V sweeps over time allow single-pixel lifetime tracking to follow device stability.
The software offers four measurement modes: Solar Cell Characterization, Stabilized Current Output, Solar Lifetime Measurement and Maximum Power Point Tracking. It supports custom settle times and forward and reverse sweeps for hysteresis studies. A solar simulator is required for standard efficiency measurements.
- Measuring current-voltage curves of solar cells in photovoltaic research.
- Automatically calculating PCE, FF, Jsc, Voc, Pmax, Rsh and Rs from measured I-V data.
- Tracking the stability of a single solar cell pixel through periodic I-V measurements over time.
- Evaluating device hysteresis with consecutive forward and backward voltage sweeps.
- Following the maximum power point, Jmp and Vmp of a device over time.
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- Product code: T2002G2
- Voltage source range: ± 10 V
- Voltage source resolution: 170 µV
- Voltage source accuracy: 10 mV
- Voltage measure range: ± 10V
- Voltage measure resolution: 10 µV
- Maximum current measure range: ± 200 mA
- Current burden voltage: <20 mV
- Source Measure Unit dimensions (W x H x D): 125 mm x 55 mm x 185 mm
- Pixel switching: Manual
- Measurement modes: Solar Cell Characterization, Stabilized Current Output, Solar Lifetime Measurement, Maximum Power Point Tracking
- Power adapter: 24 VDC
- Operating system: Windows 11 (64-bit)
- Connectivity: USB 2.0, or Ethernet (requires DHCP)
- In the box: Source Measure Unit, test board, BNC cable, resistor test device, power adapter (24 VDC), USB-B cable, USB drive with user manual, software installer and QC data
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