This machine is suitable for high temperature melting test of plastic, spice and other materials, using high precision temperature sensor, temperature test and control accuracy is high, ultra HD 7-inch display with 1980*1080/30 frames, 12 million pixels, no drag, no stranded electron microscope, 270 times magnification, 3 PWM LED light source, 2 position variable LED light source. Exclusive design arc heating disc for perfect fit particles.