25 Years Expertise in Metabolic Measurement


  • Precision “Yeh” algorithm for flow calibration.
  • Validated by highly respected lab and published in the Journal of Applied Physiology (“Validity of inspiratory and expiratory methods of measuring gas exchange…” JAP 91:218-224, 2001.)

3 years warranty standard with every system

Easy to Use

  • True Windows 7™ Professional program
  • Gas auto-cal takes only 40 seconds

Exceptional Customer Support
Rapid service response with “Express Turnaround.”

The Choice of Exercise Physiologists and Nutritionists

  • NASA, NIH, USARIEM, Cooper Institute, Duke, Harvard, Stanford, Washington, Florida, Tennessee, and Penn State Universities.
  • Used to test U.S. Olympic athletes, U.S. Ski Team, U.S. Speed Skater Team athletes (TOSH) and Canadian Olympic athletes (U of Calgary).

TrueOne 2400

Contact us Today

Find out how we can Help You

Accuracy, Ease of Use, Reliability and Strong Technical Support!

Contact us Today