Portable office spirometer with large, colour touchscreen monitor. Robust design. Built-in algorithms to provide assistance in interpretation, allowing focus on the patient diagnosis and management plan. Immediate quality feedback of effort acceptability guarantees usable test results. Utilises a flexible orifice pneumotachometer which is highly accurate at the low flow rates common in both paediatrics and COPD. Real-time graphic displays assist patients throughout spirometry testing, encouraging complete testing results. Large storage capacity with each memory card storing over 750 patients and up to 8 studies per patient. Built-in thermal printer and an option for direct USB connection for A4 printing. Optional software with customisable reporting for long-term trending of patient data. Rechargeable battery.