Technical parameters: Probe: 226HZ 85dB SPL
Pressure range:-400daPa-200daPa;-600daPa-400daPa Pressure pump speed; 50daPa / s; 100daPa / s; 150daPa / s Absolute volume range :0.5-5 .0 cc The scope of sound along tympanic :0.0-3 .0 cc Stimulate reflection: ipsilateral and contralateral 500,1000,2000 Hz :60-110dB HL 4000Hz :60-90dB; classifying 5dB Storage: can be stored in the ears completely acoustic impedance test results. Main features: Ø tympanogram function Ø eardrum eustachian tube function in intact Ø perforated eardrum eustachian tube function Ø ipsilateral and contralateral stapedius reflex threshold test Ø ipsilateral and contralateral acoustic attenuation experiments Ø latency test Ø 7-17mm full set of earplugs for both adults and infants Ø large-screen liquid crystal display test results and curves Ø test results can be stored Ø menu-driven function selection, automatic / manual test mode Ø High-speed thermal printing, measure, display, print integration Ø gain automatically adjust the print