Welch Allyn Audioscope� 3 Screening Audiometer/ Otoscope Each 92600 by Welch Allyn GROUP: Diagnostic Instruments:Patient Monitoring/Vital Signs:Hearing Screening Item Description: AudioScope 3 Set (AudioScope 3, set of AudioSpecs, charging transformer, recording forms) Packaging Desc: Audioscope 3 Set Country of Origin: Harmonized Tariff Code: Product Description: Versatile instrument for screening hearing loss combines 20, 25 and 40 db HL levels in one unit. Tones are presented in random intervals so patients can not second guess their hearing screen. This varied timing means improved results. Built-in 1000 Hz pretone, presented at 20 db HL above the screening level, allows patients to practice listening before they're actually screened. After pretone, patient is given the easiest tones for enhanced reliability of responses. 110-130V.