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Read the full article about Instron’s MPX motorised pendulum impact testers - .PDF file.

Designed for testing metals to Charpy and Izod standards, Instron’s MPX system uses a motor to raise a hammer that auto-returns after testing, to help make pendulum impact testing a faster, simpler and safer process.

The MPX motorised pendulum impact testing system has numerous features intended to ensure operator safety.

These include an electromagnetic brake/clutch control, which allows the hammer to be safely dropped; a dual-latch design, which prevents accidental release; a safety enclosure with interlocks, which prevents the hammer from dropping and stops movement when any door is open; and an adjustable latch height, which allows for lower pendulum velocity.

Different anvil inserts and strikers are available for a range of international testing standards, such as ASTM E23 (Standard test methods for notched bar impact testing of metallic materials); EN 10045 (Charpy impact testing on metallic materials); ISO 148 (Metallic materials — Charpy pendulum impact test); and GOST 9454 (Impact bending test method at low, room and high temperatures).

Key specifications

  • Capacities available: 300, 450, 600, 750 and 900J
  • CE compliant
  • Comes as standard with Windows XP/Windows 7-compatible Instron Fracta software
  • Fracta performs simple data acquisition at a rate of 1kHz
  • Upgrade to Impulse software is available, for more advanced data acquisition
  • Other additional equipment is available, including an auxiliary steel base recommended by ISO 148


Instron is a leading provider of test equipment for the material and structural testing markets. A global company providing single-source convenience, Instron manufactures and services products used to test the mechanical properties and performances of various materials, components and structures in a wide array of environments.

Instron systems evaluate materials ranging from the most fragile filament to advanced high-strength alloys, providing customers with comprehensive solutions for all their research, quality and service-life testing requirements. Additionally, Instron offers a broad range of service capabilities, including assistance with laboratory management, calibration expertise and customer training.

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