The Gold Standard in VO2max & Metabolic Testing — Now in India
The VO2 Master Analyzer is the world's most portable, wireless, and research-
validated metabolic analyzer. It delivers laboratory-grade VO2max, resting
metabolic rate (RMR), and cardiorespiratory performance testing in any
environment — without hoses, tethers, or bulky equipment carts. Trusted by Duke
University, Western University, Sam Houston University and 20+ research
institutions globally. Now available in India exclusively through Afton Fitness
Company.
230 Grams ±1% O2 Accuracy
8+ Hour Battery 20+ Published Studies
No Calibration Gas 100% Wireless
────────────────────────────────────────────────────────────────────────────────
SECTION 1 — THE SCIENCE OF VO2MAX
────────────────────────────────────────────────────────────────────────────────
WHAT IS VO2MAX AND WHY DOES IT MATTER?
VO2max — maximal oxygen uptake — is the single most powerful objective measure
of cardiorespiratory fitness and aerobic capacity. First described by A.V. Hill in
1923, it measures the maximum rate at which the body can consume oxygen during
intense, full-body exercise, expressed in mL per kilogram of bodyweight per
minute (mL/kg/min).
Clinically, VO2max is a stronger predictor of all-cause mortality than smoking,
hypertension, or diabetes. In elite sport, it determines the ceiling of aerobic
energy production. In rehabilitation and chronic disease management, it
quantifies functional capacity and guides exercise prescription with a precision
that no wearable tracker or estimation equation can match.
Accurate VO2max measurement requires measuring oxygen consumed (VO₂) breath-
by-breath during progressive exercise. Until now, this required immobile metabolic
carts costing ₹25–40 lakhs, confined to a laboratory. The VO2 Master Analyzer —
weighing just 230 grams — changes this completely.
VO2MAX — MAXIMAL AEROBIC CAPACITY
The maximum volume of oxygen the body can extract and utilise per minute per
kilogram of bodyweight (mL/kg/min). Assessed during a graded exercise test
(GXT) to volitional exhaustion. Reflects cardiac output, pulmonary diffusion
capacity, and skeletal muscle mitochondrial density. Declines ~1% per year
after age 25 without systematic training — making it a critical biomarker for
athletic development, longevity, and healthy ageing.
RMR — RESTING METABOLIC RATE
The energy expended at complete rest — measured by indirect calorimetry.
Accounts for 60–75% of total daily energy expenditure. Standard prediction
equations (Harris-Benedict, Mifflin-St Jeor) carry ±15–20% error. Direct RMR
measurement eliminates this uncertainty, enabling precise caloric prescriptions
for weight management, performance nutrition, eating disorder recovery, and
clinical metabolic assessment.
VT1 & VT2 — VENTILATORY THRESHOLDS
The metabolic inflection points that define physiological training zones. VT1
(aerobic threshold) marks the intensity at which lactate begins accumulating
faster than it is cleared. VT2 (anaerobic/lactate threshold 2) marks the upper
boundary of sustainable high-intensity exercise. Identified through respiratory
exchange ratio (RER) and ventilatory analysis — precision that heart-rate
monitoring cannot replicate.
CPET — CARDIOPULMONARY EXERCISE TESTING
The gold-standard multi-system evaluation of exercise tolerance. Required before
major cardiac surgery, in heart failure management, pulmonary disease staging,
and elite athletic performance profiling. Delivers breath-by-breath gas exchange
and ventilatory metrics simultaneously — providing a complete picture of
cardiovascular, pulmonary, and muscular function under physiological stress.
The Fick Equation
VO₂max = Q × (CaO₂ − CvO₂)
Q = cardiac output · CaO₂ = arterial O₂ content · CvO₂ = venous O₂ content
────────────────────────────────────────────────────────────────────────────────
SECTION 2 — PRODUCT OVERVIEW
────────────────────────────────────────────────────────────────────────────────
THE VO2 MASTER ANALYZER
The VO2 Master is not a consumer fitness device. It is a professional,
research-validated metabolic analyzer used by sport scientists, coaches,
clinicians, and university researchers in over 38 countries. At 230 grams, it
is the smallest, lightest system of its kind — worn directly on the face during
activity, tethered to nothing.
Every unit is tested on a lung simulator before shipment. A quality-assurance
certificate showing sensor performance and flow measurements is included in each
Nanuk case. This is the same standard applied to laboratory metabolic carts.
WHY NO CO2 SENSOR?
The VO2 Master does not include a CO2 sensor — and this is a deliberate
engineering decision, not a limitation. Compact dual-gas modules suffer from
calibration drift, producing inconsistent and unreliable CO2 readings that
distort metabolic calculations. By focusing on oxygen accuracy and precision
flow measurement, VO2 Master delivers consistent, reproducible results that
coaches and clinicians can trust. VCO2 is derived mathematically from the
precision O2 and flow measurements — the same approach used in several leading
research-grade systems.
CORE SPECIFICATIONS
Weight 230 grams
Connectivity Bluetooth 5 — wireless
Battery life 8+ hours continuous testing
O2 accuracy ±1% (when syringe calibrated)
Flow accuracy ±2% (when syringe calibrated)
CO2 sensor Not included — by design (see above)
Mask system Autoclavable silicone — 5 sizes
Filtration Bacterial & viral efficiency >99.9%
Onboard storage None — privacy by design
IP rating IP33 (particles & moisture)
Calibration method Precision 3L syringe — same as lab carts
QA testing Every unit tested on lung simulator pre-shipment
Certifications FCC, Industry Canada, European RED 2014/53/EU
Connectivity Bluetooth 5, ANT+
Battery No external power required
App Free — iOS & Android (VO2 Master Manager)
Languages Multiple — app and reports
Data storage Cloud only — no onboard storage
Field use Indoor and outdoor — see environmental specs below
Years in market 10+
ENVIRONMENTAL OPERATING SPECIFICATIONS
The VO2 Master is designed for field and indoor use within the following
parameters. Accuracy is maintained within these ranges:
· Altitude: below 10,000 feet (3,050m)
· Wind/headwind: less than 20 km/h for outdoor testing
· Maximum test duration: 1 hour per session
· Device must acclimatise to testing environment for 30 minutes before use
· Temperature and humidity must remain stable from calibration through test
· Calibration must be performed in the same environment as the test
COMPATIBLE DEVICES & SENSORS
Connects simultaneously with external biometric sensors via Bluetooth and ANT+:
Wahoo · Garmin · Polar · MOXY (SmO₂) · CORE (core temp) · Delsys (EMG)
Train.Red (NIRS) · ANT+ heart rate monitors · Cycling power meters · GPS
APP FEATURES — FREE, iOS & ANDROID
The VO2 Master Manager app provides complete test management, real-time
visualisation, and automated reporting.
Pre-programmed Protocols:
· Graded Exercise Test (GXT)
· Resting Metabolism Test (RMR)
· Bruce Protocol
· Modified Bruce Protocol
· Intervals
· 5-1-5
· Free (open, user-controlled)
Each protocol is fully customisable. Coaches and sport scientists can define
step durations, workload transitions, and recovery intervals to create precise,
repeatable protocols matched to their sport and testing methodology.
· Real-time display of all breath-by-breath metrics during testing
· Automated and unlimited PDF report generation — shareable immediately
· Instant CSV export for research databases
· Multi-language report output
· Cloud data sync — access from any device
· No onboard storage — full privacy and data compliance
· Multi-athlete and multi-team management
HOW IT COMPARES TO A TRADITIONAL METABOLIC CART
Both the VO2 Master and laboratory metabolic carts use syringe calibration for
precision volume measurement — the same gold-standard method. The VO2 Master
adds wireless operation, 8+ hour battery autonomy, and complete portability.
Traditional carts (COSMED Omnia, ParvoMedics TrueOne, Vyntus CPX) cost
USD $25,000–$40,000 (₹25–40 lakhs at MSRP). They require a dedicated room,
calibration gas cylinders, annual service contracts, and a trained operator.
The VO2 Master costs approximately USD $7,500 (MSRP). No gas. No dedicated
room. No service contract. Setup in under 10 minutes. Entire system in a
carry-on case. Same calibration method. Equivalent accuracy.
────────────────────────────────────────────────────────────────────────────────
SECTION 3 — THREE TEST MODES
────────────────────────────────────────────────────────────────────────────────
THREE TEST MODES. ONE DEVICE.
The VO2 Master integrates three clinically and scientifically distinct
measurement protocols in a single wearable unit.
01 VO2MAX — GRADED EXERCISE TEST
Progressive exercise to maximal exertion. Breath-by-breath O2 and flow
analysis to determine maximal aerobic capacity, ventilatory thresholds, and
training zones. Used for athlete profiling, zone prescription, and fitness
benchmarking. Can be performed on any ergometer, treadmill, track, field, or
sport-specific surface.
Output metrics:
VO₂max · VO₂ (mL/kg/min and L/min) · VCO₂ · VE · RER · VT1 · VT2
Training zones · VE/VO₂ · VE/VCO₂ · EqO₂ · EqCO₂ · Heart rate
02 RMR — RESTING METABOLIC RATE
Indirect calorimetry at complete rest. Subject breathes normally through the
mask for 15–20 minutes. Measures resting energy expenditure in kcal/day and
substrate oxidation ratios. Superior to any prediction equation for weight
management, clinical nutrition, and performance nutrition planning.
Output metrics:
RMR (kcal/day) · Fat oxidation % · Carbohydrate oxidation % · Resting RER
Total substrate utilisation · Macronutrient burn ratio
03 CPET — CARDIOPULMONARY EXERCISE TESTING
Full breath-by-breath gas exchange and ventilatory analysis during incremental
or ramp exercise. The most complete non-invasive evaluation of cardiorespiratory
function. The VE/VCO₂ slope — a key CPET output — is an independent predictor
of cardiovascular mortality and post-operative adverse events.
Output metrics:
Peak VO₂ · VE/VCO₂ slope · O₂ pulse · Anaerobic threshold (AT) · OUES
Breathing reserve · Respiratory compensation point · VE/VCO₂ at AT
Exercise oscillatory ventilation pattern
────────────────────────────────────────────────────────────────────────────────
SECTION 4 — WHO IS IT FOR
────────────────────────────────────────────────────────────────────────────────
ONE DEVICE. EVERY PROFESSIONAL SETTING.
HIGH PERFORMANCE SPORT
Quantify aerobic capacity, ventilatory thresholds, and energy system
contributions in real training environments — not just in a lab. Test athletes
on the track, field, velodrome, pool deck, or cycling route. The VO2 Master
eliminates the laboratory artefact that distorts results when athletes are
displaced from their actual training context.
Applications
· SAI training centres and NSNIS Patiala athlete profiling
· IPL franchise and ISL club performance science
· Olympic and Paralympic athlete physiology preparation
· Altitude training camps — Bangalore, Manali, Leh, Dharamsala
· Swimming: official in-pool VO2 testing protocol available
(vo2master.com/blog/how-to-test-swimmers-with-vo2-master)
· Cycling, athletics, rowing, boxing, wrestling, football, cricket
· Training zone demarcation using VT1/VT2 — more accurate than HR zones
· Pre-season baseline profiling and in-season monitoring
HOSPITALS & CARDIAC REHABILITATION
Clinical-grade CPET for pre-surgical risk stratification, cardiac
rehabilitation monitoring, heart failure classification, and exercise
prescription in chronic disease — at ward level, without a dedicated lab.
Applications
· Pre-operative cardiopulmonary risk assessment before major surgery
· Heart failure classification by Peak VO₂ (Weber scale)
· COPD and pulmonary hypertension exercise tolerance assessment
· Post-cardiac event and post-bypass rehab monitoring
· VE/VCO₂ slope measurement for cardiac mortality risk
· Exercise prescription in T2 diabetes, metabolic syndrome, obesity
· Long COVID aerobic capacity and pacing protocol assessment
· ICU-to-ward step-down functional capacity benchmarking
UNIVERSITIES & ACADEMIC RESEARCH
Publication-ready data validated in peer-reviewed journals — at a fraction
of the cost of a lab cart, with the field mobility to conduct studies that
laboratory-bound equipment makes impossible.
Applications
· Exercise physiology, kinesiology, and sports science departments
· ICMR, DST, DBT, and UGC-funded NCD and metabolic research projects
· Multi-site field studies across rural and urban populations
· PhD and postdoctoral research in exercise physiology and sports medicine
· Military physiology research — DRDO, AFMC
· Longitudinal population studies on physical fitness and NCD risk
· International research collaborations requiring standardised equipment
FITNESS ASSESSMENT & WELLNESS
Replace estimation with measurement. The VO2 Master delivers scientifically
validated metabolic profiling — far beyond wrist wearables, step tests, and
submaximal HR-based approximations.
Applications
· Premium gym chains offering science-backed assessment services
· Corporate wellness and occupational health programmes
· Weight management clinics requiring accurate RMR for caloric prescription
· Longevity and preventive health centres
· Pre-marathon and triathlon fitness profiling
· VO2max-as-a-service: subscription metabolic testing for urban populations
REHABILITATION CLINICS
Objectively measure cardiorespiratory recovery — providing intake and discharge
data that quantifies outcomes and justifies treatment.
Applications
· Post-ACL, knee replacement, and hip replacement rehab monitoring
· Stroke and acquired brain injury functional capacity assessment
· Long COVID rehabilitation and return-to-function pacing
· Oncology rehabilitation — measuring recovery in cancer survivors
· Return-to-sport physiological clearance by VO2 threshold
· Pulmonary rehab in COPD, ILD, and post-TB patients
MILITARY & OCCUPATIONAL HEALTH
Field-validated and field-deployed. Used by the Canadian Armed Forces in
military physiology research. Applicable to any high-demand occupational
fitness context.
Applications
· Indian Army, Navy, and Air Force fitness R&D
· DRDO human performance and exoskeleton research
· Firefighter and police force physical readiness testing
· Industrial and mining worker cardiovascular health monitoring
· High-altitude physiological research — Ladakh, Siachen, Dharamsala
────────────────────────────────────────────────────────────────────────────────
SECTION 5 — SCIENTIFIC VALIDATION
────────────────────────────────────────────────────────────────────────────────
VALIDATED BY THE WORLD'S LEADING RESEARCH INSTITUTIONS
The VO2 Master has been independently validated in 20+ peer-reviewed studies
at elite universities, clinical institutions, and sports science research
centres. All studies are independent — not manufacturer-funded.
KEY VALIDATION FINDINGS
Mean VO2 deviation of 0.6% vs COSMED Quark CPET
Western University — Scandinavian Journal of Medicine & Science in Sports, 2025
Strong agreement in oxygen uptake accuracy during graded exercise tests
Duke University — confirmed reliability for field-based assessments
Data within 1–2% of laboratory accuracy across endurance and power sports
Consistent finding across Sam Houston University, University of Colorado,
Jean Monnet University, University of León
PUBLISHED RESEARCH — FULL LIST
2026 · Exos Human Performance Lab
Field-Ready Physiology: Integrating VO2 Master into Real-World Athlete Testing
→ Deeper physiological insights in real-world vs. lab-only environments
2025 · Universities of Cassino & Lazio / Wisconsin-La Crosse
Impact of Multidimensional Physical Activity on Glycemic Control in Type 1
Diabetes — Journal of Functional Morphology and Kinesiology
→ Portable VO2 enabled real-world metabolic monitoring in T1D management
2025 · University of León
Neuromuscular, Cardiometabolic & Perceptual Responses to Sprint Interval
Training — European Journal of Applied Physiology
→ Captured accurate VO2 data during short, high-intensity cycling sessions
2025 · Western University
(Re)assessment of COSMED Quark CPET and VO2 Master Pro for Measuring
Pulmonary Gas Exchange and Ventilation
Scandinavian Journal of Medicine and Science in Sports
→ Mean VO2 deviation 0.6% vs gold standard. Laboratory equivalence confirmed.
2024 · Duke University / Arizona State University
VO2 Assessment: Comparison of Mobile Modified Technique with Standard CPET
American Society of Anesthesiologists Annual Meeting
→ Mobile VO2 technique validated against clinical CPET for pre-surgical use
2024 · Sam Houston State University
Reliability of the VO2 Master Pro vs. Cosmed Quark — Science & Sports
→ High reliability confirmed across repeated testing sessions
2024 · Duke University
Feasibility of a Novel Augmented 6-Minute Incremental Step Test
JACC: Advances
→ VO2 Master enabled accessible CPET for broader patient populations
2024 · Jean Monnet University, France
Ideal Slope in Downhill Running — Benefits of Combining EMG and VO2
Laboratory of Human Movement Biology (LIBM)
→ First combined portable EMG + VO2 methodology for terrain biomechanics
2024 · University of Hawaiʻi at Mānoa
First Study to Measure Outrigger Canoe Paddling Intensity via METs
→ Only portable device capable of field-based VO2 measurement on water
2024 · University of Colorado
Energy Expenditure of Golf Range Practice
World Journal of Advanced Research and Reviews
→ Quantified sport-specific energy use impossible with lab-bound systems
2024 · Trek / Supercaliber
Science Behind Supercaliber Gen 2
→ VO2 tested on actual mountain bike trail — not a lab ergometer
2024 · Multiple Institutions
GPS Tracking Device Accuracy vs. Actual VO2 in Professional Female Soccer
→ Wearables significantly underestimate energy expenditure vs. direct VO2
2021 · Canadian Armed Forces
Physiological Demands of Basic Fire Management Tasks — Pilot Study
→ Field-deployed VO2 in military occupational physiology validated
2020 · Hope College (Montoye et al.)
Validity and Reliability of the VO2 Master Pro for O2 Consumption and
Ventilation — International Journal of Exercise Science
→ Foundational validation: acceptable convergent validity and test-retest
reliability confirmed vs. Parvo Medics TrueOne 2400
2019 · Jem Arnold
VO2 Master vs. Parvo Medics TrueOne 2400
→ Head-to-head vs. laboratory cart: close agreement across all variables
────────────────────────────────────────────────────────────────────────────────
SECTION 6 — MAINTENANCE & SERVICE
────────────────────────────────────────────────────────────────────────────────
MAINTENANCE SCHEDULE
The VO2 Master is designed for easy, owner-performed maintenance. No specialist
expertise is required for routine servicing. Full technical inspection is
available from VO2 Master's support team in Canada when required.
EVERY 50 TESTS
Replace the desiccant cartridge.
Order: Filter Replacement Pack (SKU: 104-1) — includes 50 filter discs +
1 desiccant cartridge. Available from Afton Fitness Company India.
EVERY 12 MONTHS or 500 TESTS (whichever comes first)
Replace the O2 (oxygen) sensor. The galvanic fuel cell depletes over time
even with infrequent use — this is a property of the sensor chemistry, not
a defect. User-performed. No tools required beyond the included torque driver.
Order: Annual O2 Sensor Replacement (SKU: 150-1). Available from Afton Fitness
Company India.
NOTE FOR INDIA: India's humid climate — particularly during monsoon — can
accelerate desiccant saturation and, if unmanaged, sensor degradation.
Monitor desiccant indicators more frequently during high-humidity periods.
Always store the device with fresh desiccant packs in the Nanuk case.
COMPLETE ANNUAL SERVICE (OPTIONAL)
If preferred, ship the analyzer to VO2 Master HQ in Canada for full technical
inspection, servicing, testing, and return. Contact [email protected]
and copy [email protected] for this service.
ROUTINE CLEANING
Allow 30 minutes downtime after cleaning before the next test. The
autoclavable silicone mask and filtration components achieve >99.9% bacterial
and viral efficiency — verified. Use isopropyl wipes for mask surfaces and
dual-tipped cotton swabs for ports and internal surfaces between users.
ONBOARDING & TRAINING RESOURCES
All purchasers receive access to:
Customer Essentials Video Series (9 videos) — covers hardware, software,
cleaning, storage, maintenance, RMR and GXT test procedures
youtube.com/playlist?list=PLJAyyvgn4UXO_izJetj5h0wPV0n8wuJPb
Servicing Tutorial Video
youtube.com/watch?v=HJ1-RfSc39M
Swimming Test Protocol
vo2master.com/blog/how-to-test-swimmers-with-vo2-master
Detailed User Manual — technical specifications, compatible devices,
environmental constraints, and full setup procedures
Technical support response within 24 hours — often faster.
────────────────────────────────────────────────────────────────────────────────
SECTION 7 — GETTING IT RIGHT: SETUP & COMMON ERRORS
────────────────────────────────────────────────────────────────────────────────
GETTING ACCURATE RESULTS — WHAT TO KNOW
The VO2 Master delivers lab-equivalent accuracy when set up correctly. Following
setup, calibration, and environmental protocols precisely is critical. VO2 Master
provides industry-leading onboarding content to prevent user errors.
Technical support is available within 24 hours.
Below is the complete guide to avoiding the most common errors.
MASK FITTING
· Select the correct mask size — mask should not touch the stator nut with
pursed lips (too small) and must not leak at the face seal (too large)
· Ensure silicone sleeves are not depressed during fitting — this causes leaks
· Check headstrap orientation before tightening
· Confirm airtight seal around all edges of the face
HEART RATE STRAP FITTING
· Moisten the strap contacts before fitting
· Position correctly on the chest — not too loose
· Check battery charge before testing
ANALYZER ASSEMBLY
· Select the correct user piece (Resting / Medium / Large) and match to app
· Ensure filter is correctly oriented — not folded or contaminated
· Screw user piece all the way in
· Secure with stator nut after fitting to mask
APP SETUP
· User piece selection in app must match physical piece installed
· Enter athlete's correct weight, gender, and age — errors affect calculations
· Protocol must meet minimum step guidelines — too few steps = invalid test
CALIBRATION — MOST CRITICAL STEP
· Complete zero calibration before every session
· Install a clean, correctly oriented filter before calibrating
· Calibrate immediately before the test — not 30 minutes prior
· Calibrate in the same location and environment where testing will occur
· Hit end stops on every pass — timing matters
· Analyzer must face the correct direction during calibration
· Use mask OR calibration seal during calibration — not without either
· Do not attempt on-face calibration on a resting subject with Medium or Large
user piece
ENVIRONMENTAL — CRITICAL FOR INDIA
· Allow 30 minutes for analyzer to acclimatise to testing area temperature
and humidity before calibrating or testing
· Do not test if temperature or humidity changes significantly mid-session
· Maximum outdoor wind/headwind: 20 km/h
· Maximum altitude: 10,000 feet (relevant for Ladakh, Leh, Dharamsala)
· Maximum continuous test duration: 1 hour
· Ensure barometric pressure and humidity are within spec (see user manual)
PERFORMANCE LIMITS
· Maximum athlete ventilation: 220 L/min (relevant for very high-intensity
efforts in elite athletes)
· Minimum 30 minutes downtime after cleaning before next test
────────────────────────────────────────────────────────────────────────────────
SECTION 8 — INDIA PRICE LIST
────────────────────────────────────────────────────────────────────────────────
INDIA PRICING — ALL PRICES IN INDIAN RUPEES (₹)
USD/INR ₹94.45 · BCD 10% · SWS 1% · GST 18% shown separately
GST is fully reclaimable as Input Tax Credit for all GST-registered entities.
Prices subject to revision on currency movement exceeding ±3%.
ANALYZER SYSTEMS
─────────────────
VO2 Master Analyzer — Essentials Kit SKU: 101-1
Complete system to begin testing immediately. Includes the analyzer,
3L calibration syringe, silica gel desiccant pouches, and isopropyl
wipes + cotton swabs. Free iOS & Android app included.
Price ex-GST ₹10,63,387
GST 18% + ₹ 1,91,409
Total incl. GST ₹12,54,797
─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─
VO2 Master Analyzer — Professional Kit SKU: 101-5
Recommended for hospitals, universities, sports labs, and multi-user
facilities. Includes everything in the Essentials Kit plus 3 masks with
headgear (Petite, XS, Medium) and 2 filter replacement packs. 20%
accessory bundle discount applied.
Price ex-GST ₹11,69,799
GST 18% + ₹ 2,10,564
Total incl. GST ₹13,80,363
─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─
VO2 Master Plastic-Only Analyzer SKU: 101-3
Replacement housing only. No electronics. For repair or spares management.
Price ex-GST ₹ 56,875
GST 18% + ₹ 10,238
Total incl. GST ₹ 67,113
ANNUAL MAINTENANCE
──────────────────
Annual O₂ Sensor Replacement SKU: 150-1
Mandatory every 12 months or 500 tests to maintain ±1% O2 accuracy.
Includes replacement galvanic fuel-cell O2 sensor and torque screwdriver.
User-performed — no service visit required.
Price ex-GST ₹ 1,14,668
GST 18% + ₹ 20,640
Total incl. GST ₹ 1,35,308
MASKS, HEADGEAR & FIT SYSTEM
─────────────────────────────
Five sizes: Petite · X-Small · Small · Medium · Large
Autoclavable silicone · >99.9% bacterial & viral filtration efficiency
Recommend minimum 3 sizes for multi-user facilities.
Item Ex-GST GST 18% Total incl. GST
Mask with Headgear — complete (per size) ₹44,216 ₹7,959 ₹52,175
Mask Only — no headgear (per size) ₹30,823 ₹5,548 ₹36,371
Headgear Only (per size) ₹22,567 ₹4,062 ₹26,629
Mask Brace Set (per size) ₹15,778 ₹2,840 ₹18,618
Petite Mask Gasket/Spacer — pack of 3 ₹ 9,540 ₹1,717 ₹11,258
CONSUMABLES & FILTERS
─────────────────────
Replace desiccant cartridge every 50 tests. Critical in India's humid
climate — moisture is the primary cause of premature O2 sensor failure.
Item Ex-GST GST 18% Total incl. GST
Filter Pack (50 filters + 1 cartridge) ₹29,539 ₹5,317 ₹34,855
Silica Gel Desiccant Pouches ₹12,513 ₹2,252 ₹14,765
Isopropyl Wipes + Cotton Swabs ₹12,072 ₹2,173 ₹14,245
ESTIMATED ANNUAL RUNNING COST
For a typical facility running 5–10 tests per week:
O₂ Sensor Replacement — every 12 months or 500 tests ₹1,35,308
Filter Replacement Packs × 2–3 per year ₹70,000–1,05,000
Desiccants + Wipes ₹30,000– 60,000
──────────────────────────────────────────────────────────────────
Total estimated annual running cost ~₹2.5–3.0 L
Traditional metabolic cart annual running cost in India: ₹5–10 L/year
(calibration gas, manufacturer service, validation)
CALIBRATION EQUIPMENT & ACCESSORIES
─────────────────────────────────────
Item Ex-GST GST 18% Total incl. GST
3L Calibration Syringe — complete ₹77,974 ₹14,035 ₹92,010
Calibration Syringe Adapter ₹20,182 ₹ 3,633 ₹23,814
Calibration Syringe Silicone Seal ₹11,008 ₹ 1,981 ₹12,990
Calibration Syringe Flexible Tubing ₹ 9,173 ₹ 1,651 ₹10,825
Hard Nanuk Shell Case ₹55,958 ₹10,072 ₹66,031
User Piece Nut Hand Tool ₹13,393 ₹ 2,411 ₹15,804
REPLACEMENT PARTS
──────────────────
Item Ex-GST GST 18% Total incl. GST
User Piece Complete Assembly ₹33,024 ₹ 5,944 ₹38,969
User Piece Nut (standalone) ₹12,476 ₹ 2,246 ₹14,722
User Piece O-Ring (standalone) ₹ 7,155 ₹ 1,288 ₹ 8,443
Battery Door (replacement) ₹15,595 ₹ 2,807 ₹18,402
────────────────────────────────────────────────────────────────────────────────
SECTION 9 — FREQUENTLY ASKED QUESTIONS
────────────────────────────────────────────────────────────────────────────────
HOW ACCURATE IS THE VO2 MASTER?
The VO2 Master achieves ±1% oxygen accuracy and ±2% flow accuracy when
calibrated with the precision syringe — the same calibration method used in
laboratory metabolic carts. Western University's 2025 peer-reviewed study
(Scandinavian Journal of Medicine and Science in Sports) found a mean VO2
deviation of only 0.6% vs. the COSMED Quark CPET — the global clinical standard.
Multiple studies confirm data within 1–2% of laboratory accuracy across diverse
testing environments and sports.
WHY IS THERE NO CO2 SENSOR?
By design. Compact dual-gas CO2 modules suffer from calibration drift, producing
unreliable and inconsistent readings. VO2 Master achieves reproducible, trustworthy
results by focusing on oxygen accuracy and precision flow measurement. VCO2 is
mathematically derived from these measurements — maintaining data integrity
without the instability introduced by a miniaturised CO2 sensor.
DOES IT REQUIRE CALIBRATION GAS?
No. The VO2 Master requires only a 3-litre precision syringe for volume
calibration before each session. The O2 sensor self-calibrates against ambient
room air. No calibration gas cylinders, no gas storage, no procurement logistics.
This makes it viable for field testing, multi-site research, athlete travel,
and any facility without gas infrastructure.
HOW OFTEN DOES THE O2 SENSOR NEED REPLACING?
Every 12 months or 500 tests — whichever comes first. Galvanic fuel cells deplete
over time as they react with oxygen; this is a fundamental property of the sensor
chemistry, shared by all galvanic O2 sensors including those in traditional carts.
The replacement (SKU: 150-1) is user-performed and includes the sensor and
torque screwdriver. In India's humid climate, maintaining strict desiccant
protocol protects the sensor and preserves its full lifespan.
HOW OFTEN DOES THE DESICCANT NEED REPLACING?
Every 50 tests, or sooner if saturation indicators change. The desiccant
cartridge is included in the Filter Replacement Pack (SKU: 104-1) along with
50 filter discs. In humid environments (Mumbai, Chennai, coastal India, monsoon
season), check desiccant condition more frequently.
CAN IT BE USED FOR CLINICAL CPET IN HOSPITALS?
The VO2 Master has been used in clinical CPET research at Duke University
(JACC: Advances), presented at the American Society of Anesthesiologists Annual
Meeting, and used in cardiac and pulmonary physiology studies. It generates
automated PDF reports with all standard CPET variables. Institutions should
verify CDSCO compliance requirements for use in diagnostic clinical workflows.
For performance, rehab, and research applications, no additional approvals
are required.
CAN IT BE USED OUTDOORS AND IN THE FIELD?
Yes — within environmental parameters. The VO2 Master is designed for field
performance and has been used in published research on water (canoe paddling),
on mountain bike trails, in military field exercises, on golf courses, and in
cycling and sprinting environments. For India: effective for high-altitude
training (below 10,000 feet), outdoor track testing (wind below 20 km/h),
and rural multi-site research. Allow 30 minutes for the device to acclimatise
to the test environment before calibrating.
CAN IT BE USED FOR SWIMMERS?
Yes. An official VO2 Master swimming protocol is published at:
vo2master.com/blog/how-to-test-swimmers-with-vo2-master
The protocol covers warm-up, structured test sets, and breathing capture
procedures for in-pool testing.
WHAT TRAINING AND SUPPORT IS PROVIDED?
All purchasers receive access to the Customer Essentials Video Series (9 videos
covering hardware, software, calibration, cleaning, and testing protocols), a
servicing tutorial video, a detailed user manual, and the swimming protocol.
Technical support is available via email at [email protected] with a
24-hour response commitment. Afton Fitness Company provides first-level support
in India.
WHAT ARE THE PROCUREMENT OPTIONS FOR INSTITUTIONS?
Purchase orders accepted from government institutions, universities, hospitals,
and corporate entities. Payment via RTGS/NEFT, demand draft, or institutional
PO. Full documentation available for ICMR, DST, UGC, SAI, and DRDO-funded
projects — proforma invoice, Certificate of Origin, import documentation, and
technical specifications in required formats. DSIR exemption support available.
Contact [email protected] to discuss financing and deferred payment arrangements.
WHAT ARE THE DELIVERY TIMELINES?
Systems: 4–6 weeks from confirmed order.
Accessories, masks, and consumables: 2–3 weeks from India stock where available;
4–5 weeks for items shipped directly from Canada.
────────────────────────────────────────────────────────────────────────────────
SECTION 10 — PRICING NOTES & TERMS
────────────────────────────────────────────────────────────────────────────────
· All prices in Indian Rupees. GST 18% shown separately — fully reclaimable
as ITC for all GST-registered entities (hospitals, universities, businesses).
· Prices based on USD/INR ₹94.45, BCD 10%, SWS 1%. Revised when currency
movement exceeds ±3%. Updated price lists issued accordingly.
· Payment: 100% advance against proforma invoice. Government and institutional
POs accepted. Credit terms negotiable after six months for established accounts.
· Delivery: 4–6 weeks for systems. 2–3 weeks for consumables from India stock.
· Warranty: As per VO2 Master Health Sensors Inc. Limited Product Warranty
(vo2master.com). Afton Fitness Company provides first-line support and RMA
coordination across India.
· Annual O2 sensor replacement is mandatory every 12 months or 500 tests
to maintain ±1% accuracy specification.
· Desiccant cartridge must be replaced every 50 tests to protect sensor life.
· Prices exclude installation, training, and onboarding services. Remote and
on-site commissioning available — enquire separately.
═════════════════════
