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OtoBLT

價格:免費

更新日期:2019-10-25

檔案大小:1.7M

目前版本:3.30

版本需求:Android 4.0.3 以上版本

官方網站:https://www.cursorengineering.nl

Email:frank@cursorengineering.nl

OtoBLT(圖1)-速報App

To be sure that a custom earpiece for hearing protection shows optimal behaviour, one can perform a fast leak test.

A proper test provides certainty about a perfect fit of the earpiece. When there is a perfect fit, noise can only enter the ear canal through the noise filter and not outside to the earpiece.

OtoBLT(圖2)-速報App

For that purpose the room in the ear canal, between eardrum and otoplastic, is brought to a small overpressure of 5mB (0,073 psi), by means of air.

When the pressure is reached, the air system is closed and when the pressure stays stable for five seconds the otoplastic has the perfect fit. The related software controls the earpiece tester and allows the user to analyze the pressure course, real time, by means of a graph.

OtoBLT(圖3)-速報App

Test pressure : 5mB (≡ 51mmH2O of 500Pa)

Trip pressure : < 4mB

OtoBLT(圖4)-速報App

Test time : 5 seconds

Test duration : max. 10 seconds

OtoBLT(圖5)-速報App

Bluetooth® : version 2.1 (min.), class 2 (10m)

OtoBLT(圖6)-速報App