These apparatus have been designed to determine the bar content in cement  mortar, cement paste, and lime mortar. The testers are made of cast aluminium. The pressure gauge is installed recessed in the head of the meter. The scale has an indication range of o-50 volumetric %. The two models are practically identical except for the capacity. The test pot and the upper part are sealed air-tight together by means of two quick-action spring clamps. The air is compressed by means of a built-in hand pump. This air pump and the push buttons TEST and CORRECTION are arranged in a simple-to-use configuration on the front plate.

Dimensions: 320 mm high, 20 mm dia.

Weight approx.: 3.5 kg