For unattended grinding of no gummy and non-fibrous material. Extensively used for preparing coal sample for calorific tests the motor revolves and the pestle moves back and forth in a pattern reaching all parts of the motor. Its metallic housing with a F.H.P motor driven detachable turn able of cast aluminum has adjustable posts to hold motor of 75 to 135 mm dia. The arm of the pestle driving mechanism has hinged, heavy head, which can be raised to inspect or remove the sample or additional material to be added as desired. A built-in-timer permit selection of grinding operation up to 60 min.
The grinding vessel and motor are all completely covered by a clean acrylic cover. To operate 220V AC