The powder transfer device is used to automatically transfer pharmaceutical and food substances and granules from one point to another. This device can be installed on the hopper of tablet press, capsule filling machine, grinder, blender and sachet filling machine. The operation of this device is based on the vacuum pressure from the motor side channel built inside the device. After transferring the material to the machine hopper and reaching the desired volume, the machine stops and waits for the next work cycle.