Surface Roughness Meter Profilometer with Parameters Ra Rz Rq Rt Variability＜12%

Features:

• The roughness of metal and non-metallic surface
• Pocket-size & economically
• Large measuring range suitable for most materials
• Features external calibration at keyboard
• Optimized electric circuit design with transducer structure-design ,high integrate power, driver and display.
• Select freely with Ra, Rz, Rq, Rt parameters.
• It could test ex-circle, flat surface, conical surface and also test groove with length and width larger than80*30mm.

Specifications:

• Testing parameters（µm ）：Ra、Rz、Rq、Rt
• Stroke length（mm）：6
• Sample length（mm）：0.25 ，0.80 ，2.50
• Evaluation length（mm）：1.25 ，4.0
• Measuring range（µm ）: Ra： 0.05 ~ 10.0 Rz： 0.1 ~ 50
• Error：±15%
• Variability： ＜12%
• Transducer contacting pin round diameter and angle：
• Contacting pin round diameter：10 µm±1 µm
• Battery：3.7V Li
• Size：106 mm×70 mm×24 mm
• Weight：200g
• Stylus static force: ≤ 0.016N
• Force measuring rate of change: ≤ 800N/m
• Temperature： -20℃～40℃
• Relative humidity： < 90%
• No shake and coercivity around