Tactical fitness testing with elite performance data
Traditional fitness testing is outdated. VO2 Master brings real-time metabolic data to your base, firehouse, or police academy, helping you optimize training and wellness tracking.
As seen in
Trusted by 200+ leading edge universities worldwide
VO2 Master brings peer-validated accuracy out of the lab and into the field—helping first responders measure readiness, manage fatigue, and perform when lives depend on it.
Optimize Recruit endurance and readiness
Reduce fatigue risk and ensure peak performance in high-stress situations with real-time VO2 and ventilatory threshold data. Gain actionable insights to optimize training and on-the-job performance.
Lightweight and field ready
Ditch the lab and bulky equipment—no hoses, cables, or backpacks required. Easily conduct metabolic tests on-site, whether at the fire station, training grounds, or in the field.
My lab conducts physiological research in the field with firefighters and other tactical populations. VO2 Master has changed the game by providing practitioners and researchers with an invaluable, low-profile tool to evaluate operator readiness.
Dr. Mark Abel, Director, First Responder Research Laboratory, University of KentuckyOptimize physical readiness
Optimize physical readiness
Understanding your team’s ventilatory thresholds enables trainers to design sessions that specifically improve endurance, a critical component for tactical professionals who often operate under physically demanding conditions.
Most of our work is in dynamic and often austere environments while these personnel are doing highly physical tasks. The VO2 Master is so small and portable we have been able to use it in a variety of projects while conducting occupationally specific capability testing.
Dr. Rob Orr, Director, Bond University Tactical Research Unit
Want a better look?
Book a live video demo with a VO2 Master Expert today.
Data-Driven Success
Discover new possibilities for your fitness and wellness facility with cutting-edge metabolic analysis. Help your clients maximize their athletic performance and well-being with fast, accurate insights.
Validation studies & research
Read real-world stories of VO2 and metabolic testing studies successfully conducted using VO2 Master.
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Case Study: VO2 Master Analyzer Unlocks New Insights in Type 1 Diabetes Research
A case study from University G. D’Annunzio reveals how combining diet, sleep, chronotype alignment, and aerobic activity—measured with the VO2 Master Analyzer—led to improved glycemic control, reduced insulin needs, and enhanced cardiovascular response in a patient with type 1 diabetes.
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What VO2 Master Metrics Revealed in University of León Sprint Interval Cycling Research
Explore how the VO2 Master analyzer helped reveal torque-driven metrics in sprint cycling performance at the University of León.
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(Re)assessment of the COSMED Quark CPET and VO2Master Pro Systems for Measuring Pulmonary Gas Exchange and Ventilation
In this study, Johan Thiessen and the research team assessed “the validity, reliability, and transferability of gas exchange and ventilatory variables from two commonly used metabolic measurement systems (COSMED Quark and VO2Master Pro).
Exclusive GSA pricing available
VO2 Master is proud to offer GSA-approved pricing for military, firefighters, and law enforcement agencies. Ensure your team has access to cutting-edge metabolic testing technology at a cost-effective rate.
Train your staff quickly
VO2 Master’s simple and user-friendly functionality means you can start conducting performance and metabolic assessments in a matter of minutes.
1. Power up
Assemble your VO2 Master, connect your app to your mobile device, and complete the guided calibration procedure.
2. Choose testing protocol
Accurately identify individual VO2max, training zones, ventilatory thresholds, and other maximal metrics with our free, easy-to-use guided app protocols.
3. Assess tactical readiness
Secure the analyzer using the 5-point head strap and begin the assessment to measure endurance, recovery, and mission-readiness in any environment.
Proven globally
Trusted worldwide by human performance professionals, VO2 Master’s patented innovation turns metabolic data into clear coaching decisions.
Dr. Jack Eoin Rua O’Neill
Exercise Physiologist
Luis Orta
Olympian and Marathon Coach
Dr. Izumi Tabata
Tabata Protocol
Dr. Elie Abirached
Founder, Restore Fitness and Limitless Human
Laura McDonald
MS, ACSM-CEP, Founder of E2O Denver: Health & Performance Physiology
Dr. Eva Piatrikova
PhD. Liptov Sport Institute
Jack Hanrahan
Longevity and Fitness Coach and Influencer
Darnell Hardy
Aerobic Capacity & Power Monkey Endurance Coach
Dr. Leandro Perez
MD, FACC, FSCAI, FASE. Interventional Cardiologist, DexaFit
Brock Hoel
Professional Triathlete
Tom Evans
Professional Ultra Runner
Sebastian Cordovez
Sports & Fitness Consultant
Vit Prindis
Kayak Slalom World Champion
Olav Aleksander Bu
Professional Coach and Scientist
Gustav Iden
Professional Triathlete – Ironman World Champion
Kristian Blummenfelt
Professional Triathlete – Olympic and Ironman World Champion
Chelsea Sodaro
Professional Triathlete – Ironman World Champion
VO2 Master App
Track your results anywhere4
Get a deeper understanding of the factors beyond routine training that impact your fitness, test in real-world situations, and connect additional sensors to get an in-depth look into the physiology behind your performance – all in one platform.
Proud sponsors of
Frequently asked questions
VO2 Master delivers lab-grade accuracy in a portable VO2 analyzer format, validated against gold-standard metabolic equipment. The VO2 Master Analyzer captures real-time oxygen uptake, aerobic fitness, and cardiovascular test data that are critical for firefighter fitness, law enforcement health, and tactical conditioning.
- O₂ sensor accuracy: ±1%
- Flow sensor accuracy (with syringe calibration): ±2%
These specifications support reliable fitness assessments, VO2 max tests, and endurance testing outside a clinical lab.
Yes. This mobile analyzer requires no computers or external power — making it ideal for use in fire station health checks, patrol fitness drills, field-based performance tests, or emergency fitness evaluations. Its compact, lightweight design fits easily when wearing bunker gear, body armor, or other duty-specific equipment, enabling VO2 testing in realistic conditions.
The VO2 Master Analyzer features a step-by-step setup process through its app, simplifying operation for fitness staff or training officers. This makes it easy to incorporate VO2 max, RMR, or submax VO2 testing into firefighter wellness and tactical fitness programs. The system supports efficient assessments without the need for labs, enhancing long-term health tracking and task-specific fitness monitoring.
The VO2 Master analyzer kit delivers comprehensive metabolic test data including: VO2 max, Power, Heart Rate, Ventilation, Tidal Volume, Respiratory Frequency and Ventilatory Thresholds.
The cost of the VO2 Master analyzer is very competitive with other performance devices and metabolic analyzers on the market. There are no recurring software fees unless optional data storage or analysis features are selected. Custom packages for fire stations, law enforcement testing, or military readiness units are available, contact sales for more info.
Absolutely. The VO2 Master analayzer can be used in heat and with full firefighter gear. There is a temperature range for use, and it can not be used in environments above 45 degrees Celsius, 113 degrees Ferenheit.
VO2 max is a leading predictor of all cause mortality and is essential to optimizing firefighter fitness and wellness.
A full RMR test can be completed in under 20 minutes and a full VO2 max test is approximately 20-30 minutes depending on the subject. During the test, the subject needs to go through 8-15 levels of increase to get the necessary data as well as the initial set up. This makes it easy to incorporate into shift changes and firefighter performance evaluations.
VO2 Master Analyzer
Measure what matters to your clients
Get the next level of performance and metabolic assessment in the world’s most portable, user-friendly, and affordable analyzer.
1. In some cases, the data required may not always be captured to support automatic ventilatory threshold identification. While every effort has been made to ensure the accuracy of the analyzer’s results, there may be situations where the data available to the analyzer is insufficient to identify the ventilatory thresholds correctly.
2. The VO2 Master Analyzer is designed to be used with compatible Garmin devices only. While every effort has been made to ensure that the VO2 Master Analyzer is compatible with a wide range of Garmin devices, it is important to note that not all Garmin devices may be compatible. To ensure that your Garmin device is compatible with the VO2 Master Analyzer, please refer to the list of compatible Garmin devices. Please note that the list of compatible devices may be updated from time to time, so it is recommended that you check the list regularly.
3. We offer a satisfaction guarantee on the VO2 Master Analyzer, subject to the terms and conditions outlined in the full description of the guarantee.
4. Please be advised that the VO2 Master Analyzer is sold subject to the terms and conditions of our warranty policy.
5. While our product may be used in many different locations and environments, it is important to use the product only in accordance with the Technical Specifications provided in the VO2 Master Product Manual. Using the product outside of its specified limitations or specifications may result in decreased functionality or may cause damage to the analyzer.
6. The VO2 Master Manager mobile app is capable of being used with additional compatible Bluetooth sensors. While every effort has been made to ensure that the VO2 Master Manager mobile app is compatible with a wide range of sensors and smart trainers, it is important to note that not all Bluetooth devices may be compatible. To ensure that your Bluetooth sensor is compatible with VO2 Master Manager, please refer to the compatible devices listed in the Compatible Sensors provided in the VO2 Master Product Manual. Please note that the list of compatible sensors may be updated from time to time, so it is recommended that you check the list regularly.
Product is not a medical device; it is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before starting any dietary or fitness programs.
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