Yes. Labs can use certified impact verification specimens and alignment tools to confirm that the Class H tester continues to meet ASTM E23 and ISO 148 requirements. These reference specimens have known absorbed-energy values, and when the machine tests them, the results must fall within the allowed tolerance range. Using these specimens regularly helps verify that the pendulum, supports and striker remain in proper condition.

In addition to reference bars, labs can use angle-check tools, support-span gauges and striker-radius templates to confirm that the mechanical setup matches the standard. For instrumented versions, verification also includes checking the force sensor’s response with a basic calibration routine to make sure the signal is stable and accurate.

All tools are available through the same supplier network that provides the machine. Keeping a small set of verification items in the lab makes routine checks easier and supports stable, repeatable testing throughout the year.

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