Unconfined Compression Test Apparatus Proving Ring Type Manually Cum Electrically Operated proving ring is used to measure the compressive force. There are two plates, having cone seating for the specimen. The specimen is usually placed on the bottom plate to make contact with the upper plate of the instrument. Saturate the soil sample in the sampling tube by a suitable method. Coat the split mould lightly with a thin layer of grease. Weigh the mould. Extrude the sample out of the sampling tube into the split mould, using the sample extractor and the knife.

• High durability