The MiniTst 725/735/745 series consists of built-in or external sensors, has good durability with anti-wear treatment of the sensor tip, and is suitable for hard coating samples. Data can be transmitted via Bluetooth or USB and supports about 20 languages including Korean. MiniTest725 : Internal integrated sensor (F/N/FN) MiniTest735 : External integrated sensor (F/N/FN/-90) MiniTest745: ...