Innotech Melting Point Device Model DMP-800 FTF High Solution Color Touch Screen, It can test 3 samples, Increase Temperature can easy setting from 0.1 to 10?/min, One time can test 3 samples. Temperature can reach to 400?, Accuracy : ±0.4°C(<250°C),±0.7°C (>250°C), Repeatability : When 0.1°C/Min,repeatability ±0.3°C. High resolution microscope lenses can observe sample clearly, Built-in cooling fan can easy come down temperature and test next samples, PID control temperature, fully closed design of furnace body to avoid any empyrosis for the user, RS232 interface. For sample tube external diameter ?1.6mm, internal diameter : ?1.2mm, with cooling function. 100V-240V 50HZ-60HZ, 100W.