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06 Ago GOYOJO Mini Surface Roughness Tester High Precision Measuring Instrument Gauge
Sampling length(mm): 0.25 ,0.80 ,2.50. Main Unit of the Tester 1;. Arc radius and angle of sensor stylus ti: Tip arc radius:10 µm±1 µm, Angel:90°. Static force of sensor stylus and its change rate....