The standard Class H configuration includes the core accessories needed for everyday Charpy testing. These typically include the span block and specimen centering block that help position samples correctly on the supports. Centering tongs are supplied to make loading faster and ensure the notch orientation is consistent from test to test.

The machine also comes with the required striking knife for the chosen standard, along with the corresponding support anvils. Standard tools for basic adjustments, routine checks and installation are included as well. Anchor bolts are provided so the system can be secured to the floor, which is important for stability during high-energy impacts.

Some accessories vary slightly depending on the exact model (H-2, H-3 or H-4), but the base package always includes the components necessary to run compliant ASTM and ISO Charpy tests immediately after installation. Additional pendulums, knives or software options can be added if the lab needs expanded capability.

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