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Brittleness Tester + cryostat
BRITTLENESS
Determination of the temperature at which 50% of the specimens exhibits brittle failure or coating cracks, according to the reference standards, under specialed impact conditions. The impact is performed by a hammer constrained at one end which impacts the specimens during its free falling. The hammer design guarantees the required impact speed, avoiding mistakes which could be due to either electromechanical or solenoid controls. Repeatability and constancy of the test performance are also guaranteed by the impact hammer automatic release the moment the specimen support is extracted from the conditioning bath. The impact hammer non-return system and three di•erent safety blocks guarantee one only impact each test, and a complete safety for the operator when positioning the specimen support.
The impact pendular hammer is a constant pro•le knife assembled on a bar complete with counterweights and truing on special bearings.
The pendular hammer release is a spring-operated system, which makes easier the manual positioning of the hammer after the impact.
The overturning front glass allows the visual control of the test and protects the operator during the hammer fall.
Frontal reclining crystal for display test and operator protection during the fall of hummer.
Specimen support device is composed of a clamp supporting arm with a mechanical remote control to insert and extract it from the hummer just before the impact.
Stainless worktop
5-seat clamp in accordance with ASTM standard
Dimensions 1300 x 810 x 1100 h mm
Weight: 235 k
Power supply: 230VAC, 50Hz 20A
