详细说明
Product Name: Portable Audiometer for Hearing Aid Fitting, Air Conduct Diagnostic Audiometer Model NO.: AD-3A Diagnostic Audiometer: Power Supply:T 110V-250V Types: Audiometer Category: Medical Audiometer Clinical Audiometer: Air Conduction: 250Hz~8kHz Audiometer: Bone Conduction: 250Hz~4kHz Automatic Audiometer: Two Independent Channels Trademark: mecan Transport Package: Standard Packing for Export Specification: CE, FDA, ISO Origin: Guangzhou China Product Description Portable Audiometer for Hearing aid Fitting,Diagnostic AudiometerWhat is thespecificationof our Portable Audiometer?Head Phone39P (AC). B71 (BC)Power Supply230V AC transformer, 50HzDimensions45x 30x 9.5cmPacking51x 40x 27cmWeight1.775kgMicrophoneInternalOut putAir conduction, Bone conduction. Free fieldFrequencyACBC125Hz-10-90HL-10-45HL250 Hz-10- I00HL-10-45HL500-750Hz-10- 120HL-10-70HL1000.3000Hz-10- 120HL-10-70HL4000Hz-10-120HL-10-60HL6000Hz-10-110HL-10-50HL8000Hz-10-110HLMaskingPure tone& with contralateral white noise testTestsAC test, BC tests, speech test, speech with noise testToneContinuous pure cone, pulse tone, warble tonePrecisionSound pressure:± 1 dB,Frequencybetter than 1%DistortionAir conduction:≤2.5%, Bone conduction:≤5%
