TJD220 Surface Roughness Tester

Main feature:                             *Shell used to pull aluminum mold design, durable, anti-electromagnetic interference ability significantly, in line with the design of the new trend. *Using high-speed DSP processor for data processing and calculation, measurement and computation speed is greatly improved. *Liquid crystal display wide temperature using OLED color display, popular high brightness, no visual angle, is suitable for various occasions. *The lithium ion rechargeable battery, can work for a long time, no memory effect, can while charging, charging time is short, long battery life. * Using a dedicated charger or computer USB port for charging, convenient and quick. *Real-time monitoring of lithium battery power and display, and to remind users to charge with charging progress indication. *Automatic shutdown function and low power design of software and hardware of the instrument with long working hours, suitable for field use. *The surface roughness of metal and non