Blog
Understanding VO2 Max vs. RER: A Complete Guide to Respiratory Gas Exchange Metrics
In exercise physiology, sports science, and clinical cardiopulmonary research, accurate assessment of human bioenergetics depends on quantifying respiratory gas exchange. Every metabolic process occurring within the human body during rest or exercise leaves a distinct...
Common Sources of Error in Oxygen & CO2 Gas Analyzers (And How to Prevent Them)
In respiratory gas exchange measurement and indirect calorimetry, small measurement errors can distort calculated metabolic outputs. A fraction of a percent error in measured oxygen (O2) or carbon dioxide (CO2) concentration can lead to substantial errors in...
VO₂ Max Machine Price: What Does a VO₂ Testing System Cost?
If you're researching a VO₂ max machine price, you've probably discovered that there is no single price that applies to every testing system. The cost of VO₂ max testing equipment depends on the technology, measurement capabilities, software, exercise device,...
Lode Corival vs. Lode Excalibur Sport: Which Ergometer Is Right for Your Lab?
Choosing a professional Lode ergometer requires more than comparing product names. Clinical laboratories, sports performance centers, universities, and research facilities need equipment that matches their testing protocols, patient population, workload requirements,...
Spirometry Machine Guide: How to Choose Equipment for Pulmonary Testing
A spirometry machine is an essential tool for measuring lung function and evaluating how effectively a person can move air in and out of the lungs. Spirometry is commonly used in hospitals, pulmonary clinics, primary care environments, occupational health programs,...
CPET vs. VO₂ Max Testing: Key Differences, Applications & Equipment
Cardiopulmonary Exercise Testing (CPET) and VO₂ max testing are two of the most valuable assessments for measuring exercise performance and physiological function. Although many healthcare professionals, researchers, and athletes use these terms interchangeably, they...
How to Choose the Right Cycle Ergometer for Clinical and Sports Performance Testing
Selecting the right cycle ergometer is one of the most important decisions when establishing or upgrading a cardiopulmonary exercise testing (CPET) laboratory, sports performance center, rehabilitation clinic, or research facility. While many people think of a cycle...
MOXUS vs. MAX-II: Which Modular Metabolic System Fits Your Lab?
If you've spent any time researching metabolic carts, you've probably landed on AEI Technologies' two flagship systems: the MOXUS Modular Metabolic System and the MAX-II (or its economical sibling, the MAX-IIa). Both are built around the same legendary CD-3A Carbon...
VO2 Max Testing Equipment: The Complete Buyer’s Guide
If you're researching VO2 max testing equipment, you already know the stakes: the right system gives you clean, repeatable gas exchange data your athletes, patients, or research subjects can trust. The wrong one gives you calibration headaches, support tickets, and...
Benefits and Anecdotal Use of MAX-IIa Metabolic Cart
AEI Technologies recently met up with Kimberly Gandler to shed some expert anecdotal light on the practical use of VO2 Max testing equipment, and the various ways she uses AEI Technologies’ MAX-IIa Metabolic Cart. Benefits and Anecdotal Use of the MAX-IIa...