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The DR4500 is Discontinued—The DRC900C is Here

For years, the DR4500 circular chart recorder has been a trusted solution in industrial recording applications. Reliable, accurate, and built for critical environments, it’s been a go-to device for countless operations.

But times change—and the DR4500 has now been officially discontinued.

The Successor: The DRC900C

The DRC900C Circular Chart Recorder is the modern replacement, designed to meet today’s demanding requirements while carrying forward the reliability users expect. Built with enhanced accuracy, performance, and compliance features, the DRC900C ensures your operations stay secure and supported long into the future.

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Why Upgrade to the DRC900C?


  • Direct replacement for the DR4500 series

  • Improved precision and performance for more reliable data

  • Intuitive operation on a proven, trusted platform

  • Long-term support and availability backed for future needs

Limited DR4500 Stock Still Available


While production of the DR4500 has ended, Stromquist & Company still has a very limited number of units available. If your operations depend on this recorder, now is the time to secure what you need—once they’re gone, they’re gone.

What’s Next: Don’t let legacy hardware become a liability. Whether you need a last DR4500 unit or are ready to upgrade to the DRC900C, Stromquist is here to help


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