Moisture expansion meter

Device to measure the expansion due to humidity of ceramic tiles according to ISO 10545-10. From the center of the tiles are obtained 100×50 mm specimens which are fired a second time in an oven and then cooled. The specimens are measured a first time with a nickel steel reference bar (invar). Then a prolonged immersion in boiling water is carried out using the ISOWATER instrument. The average of the two measurements before and after the boiling water treatment is then determined, and finally the difference between the two values.

TECHNICAL SPECIFICATIONS
• aluminum base with support and rubber foot to reach a max. of 45 °
• 2 strikers 5 mm from the edge.
• 1 stop on the long side.
• nr. 1 thousandth comparator.
• test sample with max dimensions 50×100 mm
• comparator holder with two holes for two positions.
• 2 fixed tile supports 10 mm from the edge.
• 1 fixed tile support near the dial gauge in the center of the tile 10 mm from the edge.

Code Model External dimensions Weight
GT2255 EXPANSION METER ISO 310x90x180 1,8 Kg
Code Description Image

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