ISO 9001:2015 Certification

Percival Scientific, a global leader in helping research professionals around the world create better science with the design and manufacturing of environmental control chambers, obtained ISO 9001:2015 certification from DQS Inc. on Sept. 24, 2019. The design, development, manufacture, installation and maintenance of environmental growth chambers, biological incubators and special application research chambers fulfill the requirements of ISO 9001:2015.

A leader in designing and manufacturing scientific chambers for more than 60 years, Percival oversees the engineering, design, fabrication and construction of an extensive product line, ensuring complete quality control.

“At Percival, we are committed to quality work and processes. The ISO 9001:2015 certification recognizes the efforts of our entire team. It assures our customers that Percival is dedicated to producing environmental chambers that exceed customer expectations and providing continuous improvement of our products, processes and services,” says Gary Wheelock, Percival Scientific President and CEO.

ISO 9001:2015 is a quality management system standard designed to help organizations ensure they meet the needs of customers and stakeholders while meeting requirements related to a product or service.

About DQS Inc.

DQS Inc. is able to provide global resources and highly skilled, local auditors. The assessment and certification of management systems is their core business. With over 20,000 customers in 100 countries, they serve a wide spectrum of industry sectors, including automotive, electrical engineering, engine construction, the metal and chemicals industries, services, food, health care, the aviation and aerospace industries and telecommunications.

percival - Prefooter


Percival Scientific, a worldwide leader in the design and manufacture of environmental growth chambers, is headquartered in Perry, Iowa.

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505 Research Dr.
lowa 50220
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SciWhite LEDs by Percival Scientific
NEW - SciWhite LEDs by Percival Scientific!
Our dimmable SciWhite LEDs give you a superior white spectrum for your research with versatile configurations, have improved energy efficiency, better light uniformity, and greater light quality for a variety of uses.

To pass these benefits to you, we are equipping the following chambers with Percival's new SciWhite LEDs for orders quoted and received after April 15, 2020:

  • Plant growth
  • Tissue culture
  • Algae
  • Low temperature
  • Arabidopsis

Have questions? We’re here to answer. Call 800.695.2743.