Features ndd TrueFlowTM Advantages • Not influenced by heat, humidity, barometric pressure, or altitude • No cleaning, no maintenance • Extremely high accuracy for low flows Essential Features • USB cradle for direct connection to printer or PC • Flexible EMR capabilities • True portability for testing anytime, anywhere System Specifications Print out: Direct to printer or via PC, plain paper Patient age: 4 and up Language: English, French, Spanish, Italian, German Predicted values: NHANES III, Stanojevic