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Appendices, Appendix a: specifications, Probe specificiations – Welch Allyn OAE Hearing Screener - User Manual User Manual

Page 55: Instrument specifications

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Appendices

Appendix A: Specifications

Probe specificiations

Item

Specification

Measurement type

Distortion Product Otoacoustic Emissions (DPOAE)

Frequency range

2.0 to 5.0 kHz

Stimulus intensity

65/55 dB SPL

Microphone system noise

-20 dB SPL @ 2 kHz (1 Hz bandwidth)

-13 dB SPL @ 1 kHz (1 Hz bandwidth)

Dimensions and weight

Length: 40 in. (1.0 meter)

Weight: 1.00 oz. (28 gm)

Connector

HDMI

Instrument specifications

Item

Specification

Power supply

Lithium-Ion rechargeable battery

Battery life

15 hours on-time

Dimensions and weight

Instrument Weight: 6.4 oz. (180 gm)

User interface

OLED Display to provide user information and progress of measurement.

4-button keypad to control instrument functions

Connectors/Communications

Integrated USB communication capability for battery charging and
communication with PC-based database programs or an optional PC
printer

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