CALsys FB offers medium temperature range from 50 to 650°C. It is a high stable fluidized bath for calibration thermocouple & RTD. It has been designed for medium temperature calibration with high satiability and maximum uniform temperature zone. Alumina powder is used as medium. Metallic probes are used with probe holder for calibration which is 280 mm long with 8mm diameter. Temperature of furnace is set and controlled by self tuned PID controller with automatic super fine adjustment.