Diagnostic audiometer YSTLJ-CH33

for adult audiometrydigital

Pure Tone Audiometer YSTLJ-CH33 Head Phone: TDH-39P(AC), B7 I (BC) Power Supply: 230V AC transformer. 50Hz Dimensions: 45x 30x 9.5cm Packing: 51x40x 27cm Weight: 1.775kg Microphone: Internal Technical Data: Out put: Air conduction, Bone conduction, Free field Frequency: AC BC 125Hz -10 - 90HL -10 - 45HL 250 Hz -10 - 100HL -10 - 45HL 500-750Hz -10 - 120HL -10 - 70HL 1000-3000Hz -10 - 120HL -10 - 70HL 4000Hz -10 - 120HL -10 - 60HL 6000Hz -10 - 110HL -10 - 60HL 8000Hz -10 - 110HL Masking: Pure tone& with contralateral white noise test Tests: AC test, BC tests, speech test, speech with noise test Tone: Continuous pure tone, pulse tone, warble tone Precision: Sound pressure: ± I dB Frequency: better than 1% Distortion: Air conduction: 2.5%, Bone conduction: 5%