Sample preparation scratching tool SCRATCHMARKER 427

Product overview

Compact scratching tool designed to apply defined scratches through coatings on specimen panels for corrosion testing. Ergonomic design reduces operator fatigue and ensures reproducible scratch patterns.

Purpose and application

The SCRATCHMARKER 427 is used to produce defined scratch patterns through coatings on test panels for corrosion evaluations (e.g. in ERICHSEN Corrosion Test Instruments, Models 519, 606 or 608). Different scratch patterns are produced to meet relevant standards.

Scope of delivery

• SCRATCHMARKER 427
• Graduated dial
• Ruler (end-stop ruler)
• Calibrating device for adjusting the depth of the scratch
• Circuit indicator Testboy®
• Carrying case
• Instruction manual

Standards

• DIN 53 167
• VDA 621-414
• VDA 621-415
• DIN ISO 4623
• ECCA T8

Technical specifications

• Order number: 01700131
• Carbide scratching tool with tip diameter 0.5 mm and tip radius 0.25 mm
• Adjustable scratching depth: max. approx. 500 μm
• Scale graduation: 25 μm
• Scale disc for setting the desired scratching depth
• End-stop ruler for repeatable positioning
• Levelling plate for depth adjustment included
• Scratch profile: Van Laar
• Design for fatigue-free operation and reproducible results