Surface Roughness Tester, KPR Institute Engineering and Technology, Autonomous Engineering Institution, Coimbatore, India

Specifications

• "Model : Handy surf E-35B
• Traversing length : 12.5 mm
• Tracing speed : 0.6 mm/ s
• Reserve speed : 1 mm/ s
• Dimensions, weight : Width = 186 mm,
• Depth = 68 mm,
• Height = 54 mm,
• Weight approx. = 0.6 kg
• Measuring range : 40 /160 μm/Auto
• Probing force : 4 mN
• Material of stylus : Diamond

A roughness tester, also referred to as roughness gauge or roughness meter, is a portable device that is used to quickly and easily measure the surface roughness (surface finish) of an objectRadius of stylus : 5 μm"