Features :

• 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.
• 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, analyse trend and export.
• Built-in lithium battery, battery power display.
• Automatic power-off when there is no operation in one minute.

Operating Environment:

• Temperature : +5°C.+40°C
• Atmospheric pressure : 70kpa.106kpa
• Relative Humidity : ≤80%