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Portable tympanometry screener Acoustic impedance middle ear functional analyzer YSENT688

Item No.: YSENT688
Portable tympanometry screener Acoustic impedance middle ear functional analyzer YSENT688
Description
Portable tympanometry screener Acoustic impedance middle ear functional analyzer YSENT688 

Paramenters
Measurement Modes Ipsilateral
Reflex Tone Levels and Accuracy 500 Hz, 1 kHz, 2 kHz, 4 kHz (+/-29%); Configurable over range 70 dB to 100 dBHL (4 kHz restricted to 95 dBHL) +/-3 dB, referenced
to 2 ml calibration volume; Compensates for measured ear volume
Reflex Detection Threshold and Accuracy 0.01 ml to 0.5 ml +/-0.01 ml configurable in 0.01 ml steps
Reflex Analysis Reflex present/absent at each level tested; maximum amplitude of each reflex (seen on printed report & computer report); pressure
at which reflex was performed
Pressure Used for Reflex Measurement Pressure at Tympanogram peak,or 0 daPa
Reflex Tone Duration 0.6 seconds
Dimension WxDxH 4.5inx9inx 2.8in(11.5cmx 23 cmx7 cm)
Display 128 x 64 px 18 lines of21 characters
Weight 1.433 Ib (650 g)
Battery NiMH rechargeable battery pack.
Interface Wired connection to cradle
Main Power (To Cradle) 100 - 240 Vac 50/60 Hz;0.2 A
Number of Recordings with Full Charge Up to 100
Auto Power-off Delay 90 or 180 seconds
ldle Current 70 mA
Current While Testing 230 mA

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