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Pinhole detection unit



The C15477 is an optical pinhole inspection unit designed to detect pinhole defects in aluminum laminated pouches for rechargeable batteries and fuel cell separators. The C15477 is available with light source units and light condenser units (sold separately) that are customizable to match various workpiece shapes.

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  • Minimum detectable pinhole size: 1 µm
  • Non-contact inspection
  • Detection area: Customizable
  • Inspection time : 0.5 s or less
  • Allow setting the pinhole judgement threshold to any desired level


Parameter Description / Value Unit
Input voltage (DC) 24 V
Maximum current consumption 0.5 A
Light condensing unit Type No. A12159 (sold separately) (*1)
Light source unit Wavelength 470 nm
Type No. L12057 (sold separately) (*1)
Operating temperature range +10 to +45 °C
Storage temperature range -20 to +50 °C
Operating / storage humidity range 35 to 85 (no condensation) %RH

*1: Light condensing unit and light source unit can be customized to match your application.

Dimensional outlines (Unit mm)

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