Handheld Digital Surface Roughness Tester with Color Screen

Handheld Digital Surface Roughness Tester with Color Screen. Multi-Color Display Options: Available in 5 colors: Red, Blue, White, Black, and more. Comprehensive Parameter Testing: Measures 23+ parameters including Ra, Rz, Rq, Rt, and Rmax. Long Battery Life: Built-in 1500mAh rechargeable lithium battery with auto power-off. Versatile Sensor Compatibility: Supports standard, small hole, groove, deep groove, and curved sensors. International Standard Compliance: Compatible with ISO, DIN, ANSI, and JIS international standards. Advanced ARM Chip Technology: Fast data control speed with low power consumption. PC and Mobile Connectivity: Control via PC or Android mobile phone for data management.