The N-3100 series comes with a 10L sample flask and has an LCD screen that displays temperature and rotation speed. The vacuum control unit is equipped with an NVC-3000 type vacuum controller, which has four control modes and improved operability. The Teflon® seal has a long life and contributes to cost reduction by reducing the frequency of seal replacement. The sample flask is easy to attach and detach with a sample flask receiving stand and a one-touch clamp.he parameter data of bath temperature, flask rotation speed, vacuum degree, and vapor temperature can be extracted by micro USB port PC communication.