Brand:NANBEI Model:TD4C 1.Widely used in laboratory, hospital and blood bank. 2. Brushless motor for model ND4C, free maintenance, no powder pollution, quick in speed up and down. 3. Range of speed from 0 to 4000rpm, smooth in operation, low noise and small vibration. 4. Micro computer control system, digital display the RCF、time and speed. There are 10 kinds of program and 10 kinds of acceleration and deceleration for your choice. 5. Electric cover lock, compact design, super speed and imbalance protection. 6. With over speed and imbalance protection, it’s safe and reliable