Ear 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%