The main contents of the subject is to establish metrological standard devices for visual thresho...

Start Date

End Date

2015

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Research in Metrological Standards of Visual and Hearing Diagnostic Equipments

 

The main contents of the subject is to establish metrological standard devices for visual threshold, visual electrophysiology and objective audiometric instruments; solve the calibration and tracing methods for visual and hearing diagnostic equipments such as contrast sensitivity analyzer, EOG, otoacoustic emission instrument, etc. Improve primary standard devices for air conduction and bone conduction hearing zero level so as to perfect the traceability system of hearing measurement instruments. Totally funding is 4.56 million Yuan and it is expected to be completed by the end of 2015.

 

 main task of the project