... 4. Optional matching vacuum pump to remove moisture, suitable for ultra-low temperature mircowave vacuum drying experiments, or liquid ... Work hour: continuous, 0~9999S adjustable;12. Programmable Microwave, Ultrasonic system, temperature, time, power are adjustable at the same time;13. ... materials reaction system;14. Various kinds of probe: Φ2, Φ3,Φ10,Φ15,Φ18,Φ25,Φ30,Φ35, suitable for different size ...