Function The surfaces roughness measure instrument is suitable for shop floor use and mobile measure to need of a small handheld instrument, it operation simple, function overall, measure fast, accuracy stability, take convenience. The ANK is capable of evaluating sueface textures with a variety of parameters according to various national standards and international standard.The measurement results are displayed digitall/graphically on the LCD,and output to the printer. Feature 1: 15 parameters: Ra、Rq、Rz、Rt、Rp、Rv、RS、RSm、Rz(JIS)、Ry(JIS) 、RSk、R3z、Rmax、RPc、Rmr； 2: High accuracy inductance pickup; 3: Four filtering methods of RC, PC-RC, GAUSS and D-P; 4: Compatible with four standards of ISO, DIN, ANSI and JIS; 5: Can store 15 sets of measurements results 6: 128×64 dot matrix LCD displays all parameters and graphs; 7: DSP chip is used to control and process data with high speed and low powerconsumption; 8: Built-in lithium ion chargeable battery and control circuit have high capacity, without memory effect. Consecutive work time is longer than 20 hours; 9: Design of mechanical and electrical integration is adopted to achieve small bulk, light weight and easy usage; 10: Can be connected to TIME TA220s printer to print all parameters and graphs; 11: Built-in standard RS232 interface enables communication with PC; 12: Automatic switch off, memory and various prompt instructions; 13: Optional printer, analysis software and measurement platform. http://www.shcaliper.com/