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Scratch Tester

FISCHERSCOPE® ST series quantitatively measures thin film adhesion in various methods.
Adhesion measurement by FISCHERSCOPE® ST improves the reliability of quality control predicts coating fracture strength, improving the reliability of quality control.

FISCHERSCOPE® ST series quantitatively measures thin film adhesion in various methods.
Adhesion measurement by FISCHERSCOPE® ST improves the reliability of quality control predicts coating fracture strength, improving the reliability of quality control.

* Standard Codes: ASTM C1624, ISO 20502, DINEN 1071 – 3

  • Various measurement Mode – Constant Load, Progressive Load, Incremental Load.

  • 4 measurement methods: Optical Microscopy, Friction Measurement, Acoustic Emission Measurment, Depth Measurement

  • 3-axis motion control system

  • Curved-body measurement by motion feedback control

  • Automatic image capture for a whole range of scratch

  • Built-in optical filter to improve contrast

  • User-friendly software based on  WINDOWS®

  • All-in-one control unit
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Technical Specification
ST30 (Micro) ST200 (Macro)
Load range 10mN to 30N 500mN to 200N
Load resolution 0.7μN 3.3μN
Maximum friction force 30N 200N
Maximum scratch length 90mm 90mm
Load speed 0 to 300 N/min 0.4 to 500 N/min
Scratch speed 0.1 to 600 mm/min 0.4 to 600 mm/min
Video microscpoe magnification x125, x500
Video microscope camera color 1280 x 1024
Measurable sample size Max 50mm x 50mm
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