LMEC-17 Apparatus of Measuring Hearing and Hearing Threshold Featured Image

I-LMEC-17 Iinsetjenziswa Zokukala Ukuzwa Nokuzwa Umkhawulo

Incazelo emfushane:

Imininingwane yomkhiqizo

Amathegi womkhiqizo

Le nsimbi ifanele abafundela iziqu bezokwelapha kanye nabaphothule iziqu ukukala ijika lomkhawulo. Ngokuvamile, incazelo yomkhawulo wobuhlungu kufanele ifinyelele ebuhlungwini bendlebe, kepha abafundi badinga kuphela ukuqonda umgomo wokuhlolwa, futhi lapho belinganisa umkhawulo wezinhlungu, badinga kuphela ukulungisa ileveli yengcindezi yomsindo endlebeni futhi bazizwe bengabekezeleleki. Ngokuzama, abafundi bangaqonda ulwazi lomzimba lokuqina komsindo, izinga lokuqina komsindo, umsindo, izinga lomsindo kanye nejika lokuzwa, futhi babeke isisekelo esihle sokusetshenziswa kwe-audiometry yomtholampilo ngokuzayo.

Imisebenzi

1. Yazi kahle indlela yokukala yokuzwa nokuzwa umkhawulo;

2. Thola umkhawulo wokuzwa wendlebe yomuntu.

Izingxenye nokucaciswa

Incazelo	Imininingwane
Umthombo wesiginali	Ibanga lemvamisa: 20 ~ 20 kHz; i-wave sine ejwayelekile (ukhiye ohlakaniphile ulawulwa)
Imitha yemvamisa yedijithali	20 ~ 20 kHz, isinqumo 1 Hz
Imitha yamandla edijithali yomsindo (imitha ye-dB)	isihlobo -35 dB kuya ku-30 dB
Amahedisethi	ibanga lokuqapha
Ukusetshenziswa kwamandla	<50 W
Imanuwali yokufunda	inguqulo ye-elekthronikhi