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. parameters synchronously.
Support diagnosis evidence by volume and flow rate chart display.
With precise, credible test result,and good consistency.
Built-in predicted value, display the testee 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, analyse trend and export.
Built-in lithium battery, Battery power display.
Automatic power-off when there is no operation in one minute.