Welch Allyn OAE Hearing Screener - User Manual - Manual (Page 55)

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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