Online Collections at UoB - Objects
ID number: BIRRC-P0671
Institution: Research and Cultural Collections
Named collection: Historic Physics Collection
Artist / Maker: Tensometer Ltd
Title / Object name: Hounsfield Tensometer
Object type: Physics instrument
Date made: 1960
Measurements: 100 x 27 x 20 cm
An instrument for performing tensile tests on materials. The test sample is mounted in appropriate jaws and then stretched by turning a handle that drives a lead screw. The fixed end of the sample is attached to a beam that bends slightly and causes a column of mercury to rise in a capillary tube by an amount proportional to the tensile force acting on the sample. By tracking by hand the meniscus of the mercury a chart is plotted on a rotating drum yielding a force-extension graph for the sample.
There are seven interchangeable beams calibrated for maximum forces from 62.5 lb to 2 ton.
There are a number of accessories BIRRC-P0671.1-6 for preparing and mounting different kinds of samples, together with a calibration certificate and instruction book.
P0671.1 - Seven beams for loads 2 ton to 62.5lb Image BIRRC-P0671.1
P0671.2 - Four pairs of chucks for tensile specimens
P0671.3 - Elongation and diameter reduction gauges
P0671.4 - Attachment for indentation tests
P0671.5 - Adjustable jaws for strip specimens Image BIRRC-P0671.5
P0671.6 - Assorted Tools
Inscriptions / Translations: Type W Serial No. W4404
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