The METALYZER® 3B is a portable high resolution spiroergometry system with Breath-by-Breath technology. The system allows a complete medical analysis of the functionality of a person’s lung, heart and metabolism at rest and under stress.


  • Portable Breath-by-Breath system
  • Internal battery allowing a 12-hour running time (available as an option)
  • Bluetooth® LE for connection to HF, SpO2, power meters and other measuring devices
  • Interfaces to numerous types of ECGs
  • USB or Bluetooth® connection to a PC
  • Front display with LED status indicators
  • Push-pull connectors protecting against reverse polarity and damages
  • Minimal need for maintenance
  • Long calibration intervals
  • O2 sensor with long lifespan
  • Constant and dynamic flow control
  • Modular future-proof system set-up