Metabolic Carts, VO2 Max Testing Equipment & Gas Analyzers
For more than 50 years, AEI Technologies has designed and manufactured the metabolic carts, VO2 max testing equipment, and gas analyzers trusted by NASA, Olympic training centers, top research universities, and hospitals worldwide. Our systems are built for exercise physiology labs, cardiopulmonary rehab clinics, sports performance centers, and research institutions that need accurate, repeatable gas exchange data they can stand behind.
Whether you’re measuring resting metabolic rate, running full cardiopulmonary exercise tests, or studying VO2 max in athletes and patients, AEI’s modular metabolic cart systems — including the MOXUS Modular Metabolic System and MAX-II/MAX-IIa metabolic systems — are engineered around the same CD-3A and S-3A gas analyzers that have set the standard for respiratory gas measurement for over 45 years.
Explore our full line of metabolic carts, VO2 max testing equipment, and gas analyzers below, or contact our team for a personalized quote.
LEADING RESEARCH UNIVERSITIES
LEADING MEDICAL CLINICS
OLYMPIC TRAINING CENTERS
NASA
GATORADE SPORTS SCIENCE INSTITUTE
GOVERNMENT AGENCIES
AEI TECHNOLOGIES
EXACT VO2, VC02 & RER MEASUREMENTS ARE TOO IMPORTANT FOR SPECULATION. CHOOSE THE GAS ANALYZERS RESEARCHERS DEPEND ON!
MOXUS METABOLIC CART
MOXUS – The Leading Metabolic Cart for Research, Teaching, and Clinical Studies in Exercise and Resting Energy
MAX-IIa METABOLIC CART
MAX-IIa – Ideal for Research, Teaching, and Clinical Studies in Exercise and Resting Energy
MOXAR RESPIROMETRY SYSTEM
MOXAR – Perfect for Studies on Insects, Amphibians, Reptiles, Birds, Mammals, and Humans
CD-3A Carbon Dioxide Analyzer
CD-3A – The CD-3A has the Rapid Response Necessary for Breath-by-Breath Analysis During Respiration. It is Also Ideal for Laboratory Applications Requiring High Accuracy and Sensitivity.
S – 3A Oxygen Analyzer
S-3A – The S-3A Oxygen Analyzer features High Accuracy, Rapid Response, Fine Sensitivity, and Exceptionally Long Lifespan
Frequently Asked Questions
1. What is a metabolic cart used for?
A metabolic cart is used to measure oxygen consumption (VO2), carbon dioxide production (VCO2), respiratory exchange ratio (RER), ventilation, and energy expenditure. These systems are widely used in exercise physiology, clinical research, sports performance testing, cardiopulmonary rehabilitation, and metabolic studies to provide accurate respiratory gas analysis.
2. What is VO2 max testing equipment used for?
VO2 max testing equipment measures the maximum amount of oxygen the body can utilize during exercise. Researchers, sports scientists, hospitals, and performance centers use VO2 max testing to evaluate aerobic fitness, cardiovascular health, endurance performance, and exercise capacity in athletes and patients.
3. What industries use AEI Technologies metabolic carts?
AEI Technologies metabolic carts are trusted by research universities, hospitals, Olympic training centers, government agencies, sports performance laboratories, military organizations, and clinical exercise physiology facilities. Our systems are designed for both research and clinical applications requiring precise gas exchange measurements.
4. What makes AEI Technologies gas analyzers different?
AEI Technologies gas analyzers are known for their rapid response time, exceptional accuracy, long-term stability, and repeatable measurements. The CD-3A Carbon Dioxide Analyzer and S-3A Oxygen Analyzer have been trusted by researchers for decades because they deliver reliable breath-by-breath respiratory gas analysis for demanding laboratory and clinical environments.
5. Can AEI metabolic carts measure resting metabolic rate (RMR)?
Yes. AEI metabolic cart systems are designed to accurately measure resting metabolic rate (RMR) and resting energy expenditure (REE). These measurements are commonly used in clinical nutrition, metabolic research, weight management studies, and exercise physiology laboratories.
6. Are AEI metabolic carts suitable for cardiopulmonary exercise testing (CPET)?
Yes. AEI Technologies metabolic carts support cardiopulmonary exercise testing (CPET) by providing accurate measurements of oxygen uptake, carbon dioxide production, ventilation, and respiratory exchange ratio. These measurements help clinicians and researchers evaluate cardiovascular, pulmonary, and metabolic function during exercise.
7. Which metabolic cart is right for my research or laboratory?
The ideal metabolic cart depends on your research goals, testing protocols, and application requirements. AEI Technologies offers modular systems for exercise physiology, clinical research, metabolic testing, and animal respirometry. Our team can help recommend the best solution based on your laboratory’s specific needs.
8. Can AEI gas analyzers be integrated into existing laboratory systems?
Yes. AEI Technologies offers modular gas analyzers that can be integrated into many existing research and laboratory setups. Their flexible design allows researchers to configure systems for specialized respiratory, metabolic, and physiological testing applications.
9. How accurate are AEI Technologies metabolic carts and gas analyzers?
Accuracy is one of the defining features of every AEI Technologies system. Our metabolic carts and gas analyzers are engineered to provide precise, repeatable breath-by-breath gas measurements, helping researchers and clinicians produce reliable data for scientific studies, clinical evaluations, and athletic performance testing.
10. How can I choose the best metabolic cart or gas analyzer for my facility?
Choosing the right system depends on factors such as your testing applications, research objectives, patient population, required measurements, and laboratory workflow. AEI Technologies works directly with customers to recommend the most appropriate metabolic cart, VO2 max testing equipment, or gas analyzer for their clinical or research environment.