The present invention relates to a device used for determination of the fat content accurately up to two decimal points in milk comprising Full Cream Milk, Standard Milk, Toned Milk or Double Toned milk in dairy plant or any milk vending place in compliance to statutory requirements for incoming and outgoing milk. The device is made up of any transparent material including but not limited to glass, plastic, fibre, HDPE or PE in cylindrical tube shape having a small bulb of any shape comprising round, oval, cubical or rectangular and like in between two long cylindrical columns with graduations, suitable for being held in a centrifuge for separation of fat content.
