Portable Lung Volumeter, shock-resistant and easy to transport, high testing efficiency, data automatically uploaded.

The testing system utilizes the Windows operating system and includes built-in testing software.

The system utilizes a single-card system, QR code scanning for check-in, registration, and inquiries.

The test host is capable of conducting 2-4 tests simultaneously.

During testing, voice prompts are available.

Features include querying and instantly displaying the test taker's name, student ID, test scores, and other information.

Front-end equipped with a gas-liquid separator filter, which prevents the air cylinder from accumulating water after multiple blowouts, and allows for draining and alcohol disinfection to prevent bacterial transmission.

The system can display the tester's name, ID number, test score, and grade in real-time.

After the test, names, student IDs, and scores are displayed on the screen individually.