Description The new sound advanced affordable audiometer supports calibration without connecting to the computer, and due to it's compact, lightwight makes it possible to use wherever you go. With the headphones you hear the pure tone and and contralateral white noise perfectly. Product Features Headphone: TDH-39P (AC) Power Supply: 100-250V AC, 50-60Hz Dimensions: 35x26x8cm Weight: 2.6kgs Microphone: Built-In Technical Data Output: Air conduction, Free field Frequency: AC 125Hz: -10-80HL 250Hz: -10-100HL 500-750Hz: -10-120HL 500-750Hz: -10-120HL 1000-3000Hz: -10-120HL 4000Hz: -10-120HL 6000Hz: -10-120HL 8000Hz: -10-120HL Masking: Pure tone & with contralateral white noise test Tests: AC test with noise test Tone: Continuous pure tone, pulse tone Precision: Sound pressure: ±1dB Random error of Frequency: ≤1% Distortion: Air condution: ≤2.5% Packaging Details 1 x Audiometer, 1 x AC Headphone, 1 x Responser
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