A sampler for grapes held in bulk and having juice therewith includes a frame on which a sampling cylinder is mounted. At the lower end of the sampling cylinder is a gate mechanism arranged to be opened and closed. A piston is movable in the cylinder so as to pull a vacuum within the cylinder. The piston is connected to the gate mechanism through a lost motion linkage so that when the sampler is plunged into the bulk grapes a sample of the bulk grapes along with their juice is obtained. The loaded sampler is movable to a point for inspection. After discharge the mechanism can be reused for a subsequent sampling.
