Bosch ERICHSEN SmartPen ERICHSEN SmartPen 表面耐划性,模块化和数字化设计的硬度计,无探头,与318/435型的探头兼容 Hardness Test Pencil Model 318 Model 318 表面耐划性,4 种不同划痕笔 示单独出售,3 种力范围,最高 20 N Spring 0 - 3 N Spare spring Spring 0 - 10 N Spare spring Spring 0 - 20 N Spare spring Test tip no.1 (acc. to Bosch, 0.75 mm Ø) For scratch resistance testing Test tip acc. to Bosch (Ø 0.75 mm) Ø 0,75 mm, short shaft, without flat clamping area SCRATCH HARDNESS TESTER 413 SCRATCH HARDNESS TESTER 413 表面划痕测试仪,极其精细分级(0.01 N 每级),各种划痕笔 Hardness Test Pencil Model 318 Model 318 S 表面耐划性,4 种不同划痕笔 示单独出售,3 种力范围,最高 20 N, 测试头上有额外的滚轮