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Portable PV EL/PL Detector
CHNSpec offers professional portable EP-D/EP-N series Powered by hyperspectral imaging and AI large model algorithms, our testers automatically identify cracks, micro-cracks, and broken grids.
  • The CHNSpec Technology EP-D/EP-N series is the latest generation of portable EL/PL detection equipment designed for the photovoltaic industry. It includes multiple models such as the EP-D-130/300/500 and EP-N-2000/2500/4800, featuring core advantages of full-scenario adaptability and high efficiency with intelligence, fully meeting various detection needs for photovoltaic panels.
    1. Unrestricted full-scenario detection: Equipped with three core functions — daytime EL, daytime PL, and nighttime EL. Unaffected by ambient light such as sunlight, artificial light, moonlight, or starlight, enabling "all-weather" operation during the day, under lights, at night, and even in rainy weather. Delivers stable and clear imaging results in complex outdoor scenarios.
    2. Compatible with module and string measurement
    3. Built-in AI large model algorithm for automatic identification of defects such as cracks, micro-cracks, broken grids, fragments, and short circuits.
    4. Lightweight, compact, and easy to operate; can be fully controlled via a tablet.
    5. Utilizes an advanced hyperspectral imaging system for richer and clearer detection details.


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Typical applications



Parameters

Type
Night test
Night test All-weather test
Model
EP-N-2000
EP-N-2500
EP-N-4800
EP-D-130
EP-D-300
EP-D-500
Total Pixels
20 million
25 million
48 million
1.3 million
3 million
5 million
Image Sensor
Near-infrared enhanced high-precision imaging sensor
InGaAs high-precision imaging sensor
Field of View
46.3°×36°
60.66°×46.5°
46.3°×36°
39.1°×29.8°
Operating Environment
Light/moonlight/starlight has no effect on detection
Daylight, moonlight, starlight, and artificial light have no effect on the test; all-weather adaptable
Detection Speed
Adjustable, 0.5s
Adjustable, 80ms
Imaging Accuracy
Clear imaging of micro-cracks under low current
Video Detection
Real-time video detection capable
Transmission Method
USB 3.0
Data Processing
EL images support manual defect classification, AI defect classification, overall power station defect recording, and report generation functions
Dimensions
113*97*85mm
Weight
Less than 1KG
Advantages
Fast photo capture, customizable lens
All-weather adaptable, customizable lens


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