A Shore control ring is a reference tool used in Shore hardness testing to help ensure that the hardness tester performs accurately. The control ring is made of a material with a known hardness, and it is used to check the performance of the hardness tester periodically. The ring is placed on the tester, and the hardness measurement is taken. Having the measurements within the specified tolerance means the tester is working correctly. If the measurement is outside the tolerance, it may indicate that the tester needs to be calibrated or repaired. Using a control ring, the accuracy of the hardness tester can be monitored and maintained, ensuring that the hardness measurements are accurate and reliable.

A Shore Control Ring is available for NextGen’s Advanced Portable Shore Durometer System as part of product accessories.

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