All-Weather Portable Photovoltaic EL/PL
The FS-EP series is the latest generation of portable testing equipment launched by CHNSpec for EL/PL inspection in the photovoltaic industry, including the FS-EP-270 / 250 / 230 models.
Equipped with three core functions: daytime EL, daytime PL, and nighttime EL
Compatible with both module and string measurements
Can be tested during daytime, nighttime, and rainy or cloudy conditions, truly achieving “all-weather” operation
Adopts an advanced hyperspectral imaging system, providing richer and clearer detection details
Built-in artificial intelligence large-model algorithms for automatic identification of defects such as cracks, microcracks, broken grid lines, fragments, and short circuits
Jointly developed by Zhejiang University and China Jiliang University
Lightweight, compact, and easy to operate; all operations can be completed via a tablet computer
Application Fields
Technical Parameters
Camera | |||
| Model | FS-EP-230 | FS-EP-250 | FS-EP-270 |
| Lens Type | Near-infrared high-sensitivity lens | ||
| Dimensions | 157mm×88.3mm×89.3mm | ||
| Weight | Less than 1 kg | ||
| Pixels | 1.3 million pixels | 3 million pixels | 5 million pixels |
| Resolution | 1296×1032 | 2080×1544 | 2560×2048 |
| Detection Modes | Nighttime EL / Daytime EL / Daytime PL | ||
| Shutter Time | Nighttime EL: 15–100000us; Daytime EL and Daytime PL: 10–20000us | ||
| Operating Environment | Sunlight, moonlight, starlight, and artificial light do not affect testing; all-weather adaptability | ||
| Tablet | 11.2-inch Android tablet | ||
| Software | |||
| Functions | Automatic exposure, manual exposure, overexposure warning, histogram function, adjustable main unit parameters; manual annotation and AI-based defect classification; export of original images and annotated images; map display of project address with GPS positioning | ||
| Records | Module barcodes can be entered by scanning or manual input | ||
| WiFi Module | The lens can connect directly to the camera WiFi, with no need to configure third-party WiFi modules | ||
| Optional Accessories | Tripod, gimbal, cables, tablet computer, string controller, module controller, module power supply, string power supply, lenses with multiple fields of view and focal lengths, explosion-proof case | ||