35RDC Ultrasonic Composite Damage Checker

The handheld 35RDC is a simple Go/No-Go ultrasonic instrument designed to detect subsurface defects caused by impact damage on solid laminate aircraft composite structures. The 35RDC features a backlit LCD that displays the word GOOD if no subsurface damage is found or the word BAD when it detects subsurface damage. It uses an ultrasonic transducer that can be placed or scanned on the area of composite material suspected of having impact damage. Weighing only 0.24 Kg (8.5 oz.) and featuring a simplified keypad, this rugged ultrasonic instrument is easy to operate and requires minimal training.


  • For use on solid laminate structure aerospace composites
  • Simple one-button calibration
  • Thickness range 0.63 mm to 22.8 mm (0.025 in. to 0.900 in.)
  • Simple Good/Bad/Beyond Cal display readout
  • Back light matrix display with user help text
  • AA battery operation
  • Handheld, weighing only 0.24 Kg (8.5 oz.)
  • Energy saving Auto Power off feature
  • Long battery life, 150 hours typical
  • Battery life indicator

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