Student Physical Health Physical examination FVC tester tester

1, the automatic measurement of the maximum gas flux of human breath; 2, blowpipe free removal flushing, avoid cross-infection of harmful bacteria, to protect the health of the subject; 3, the keyboard input student number with auto-increment function, increase non-contact swiping and laser bar code scanner function; 4, host large-screen LCD Chinese display interface, test scores and single synchronous display, screen resolution of 240 x 128, with backlight design, you can choose to open or close. With operating beep sound and prepare or end. You can voice broadcast test scores. 5, using wireless communication between the host and stand-alone transmission of data, but also the use of wireless communication transmission of test data between the host computer. (Two-way radio, avoiding lengthy cable, easy to move test) 6, can be stored in the host memory 60000 test data, and with power automatic calibration, calibration function, two-chip dual backup storage and test data query, delete and restore (to prevent data accidental loss), emptying and other functions. 7, host built compatible with other test items which can replace each other between the host tested compatible interworking; 8, the host can extend the wireless connection to 4 simultaneous testing lung capacity, reaching a drag effect 4, to improve test efficiency; 9, the host can be synchronized Download the list of students to 10,000 testers internal (non-external storage devices), can simultaneously display the student's name, gender, grade, class, ID number and test scores; 10, the main technical parameters: Measuring range: 100mL ~ 9999mL measure indexing Value: 1mL Accuracy: ± 2.5% host built-in lithium continuous working time: 10 hours working environment: 5 ℃ ~ 40 ℃ humidity <90% Storage Environment: -10 ℃ ~ 50 ℃ Humidity <75% wireless transmission of data import, Ministry of Education reported in the software;