SCRATCHMARKER 427
Defined scratch damage of painted surfaces, with tip of 0.5 mm diameter
Sample Preparation

SCRATCHMARKER 427

Order number: 01700131
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Sample Preparation

SCRATCHMARKER 427

The SCRATCHMARKER 427 scratching tool consists of a basic unit with a carbide scratching tool (diameter of 0.5 mm, tip radius of 0.25 mm), a scale disc for setting the desired scratching depth, a max. scratching depth of approx. 500 μm, scale graduation of 25 μm, and an end-stop ruler. The required levelling plate for depth adjustment is also included with this product. The compact design of the SCRATCHMARKER and the practical end-stop ruler make fatigue-free working possible, even under high workloads.

Purpose and application: The SCRATCHMARKER 427 serves to apply defined scratches through coatings on specimen panels used for corrosion tests (e.g. in the ERICHSEN Corrosion Test Instruments, Models 519, 606 or 608). According to the various standards different scratch pattern are produced.

Scope of delivery:

  • SCRATCHMARKER 427
  • Graduated dial
  • Ruler
  • Calibrating device for adjusting the depth of the scratch
  • Circuit indicator Testboy®
  • Carrying case
  • Instruction manual

Norms

  1. DIN 53 167
  2. VDA 621-414
  3. VDA 621-415
  4. DIN ISO 4623
  5. ECCA T8

Technical specifications

Scratch profile

Van Laar

Equipment