Abstract: A method and apparatus for testing a batch of containers to determine if the containers have been filled with product to the proper volume with the apparatus including a conveyor for moving empty containers from a first location to a second location, a filling head for filling a batch of individual containers, a checkweigh platform for receiving a batch of individual empty containers from the conveying line and individually weighing each of the containers in both the empty condition and the filled condition and a robotic arm for transporting the containers to and from the conveying line and within the checkweighing station.