CaloWheel - calorimetric activity wheel

CaloWheel - calorimetric activity wheel


Activity wheels with calorimetric measurements for mice and rats. Compatible with PhenoMaster system.

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  • Description

CaloWheel - calorimetric activity wheel

The CaloWheel is a motorized running wheel for rats or mice. It has been specially designed for metabolic measurements during physical activity (exercise calorimetry). The wheel is surrounded by a transparent airtight housing, which can be connected to a fully automated indirect gas calorimetry system (CaloSys) that is operated by PhenoMaster software. Calorimetric parameters, such as oxygen consumption (VO2), carbon dioxide production (VCO2), respiratory exchange rate (RQ) and energy expenditure (EE) are determined at fixed temporal intervals while the test animal is moving according to an experimenter-defined activity profile.

Key features

  • the wheel is driven by a servo motor
  • manual or computerized speed control
  • air-tight acrylic housing with reduced volume ensures optimal calorimetric measurements and maximum visibility
  • exercise calorimetry is evaluated during user-defined activity schedules