Hand-held Spirometer

We are offering spirometry. Hand-held spirometer for examining lung function. Spirox fit for hospital, clinique, family for ordinary test. It�s requested that the user operates it according to user manual, doesn�t need carry on specialized training, so the operation of the device would be as simple and easy as possiable color tft display ultra-thin design for portable carrying, easy operation for convenient test. Large tft screen to display the test result clearly. Measure fvc, pef, fev1 etc, and parameters synchronously. Peak expiatory flow (pef), 25% flow of the fvc (fef25), 75% flow of the fvc (fef75) and average flow between 25% and 75% of the fvc (fef2575). Support diagnosis evidence by volume and flow rate chart display. With precise, credible test result and good consistency. Built-in predicted value, display the tested current condition by red, yellow and green bar. Provide repeated measure and memorize the correlative data. Communication with the computer with the usb (or bluetooth), which can calculate data, analyze trend and export. Built-in lithium battery, battery power display. Automatic power-off when there is no operation in one minute.