... etc 2. device for concentration,drying, recycling,etc 3 Auto-temp, auto-controller Model: RE-5298A and RE-5298 Main Machine: ... Stepless speed regulator, 0-100r/min, Auto-Risen/dropped vertically by micro-motor, 0-150mm. Condenser: ... pot with a water tap. Temperature: Built-in sensor, Auto-temp, auto-controller, digital display, environment temp to 99degree. Power Supply: 220V/ ...