New Medical Earings Test Machine Portable Audiometer
Specifications
PC basedPortable
Frequency and maximum output intensity
Frequency AC dB HL AC dB HL BC dB HL
Hz TDH39 Ear-Tone 5A B71
250 100 105 45
500 120 110 60
750 120 115 60
1000 120 120 70
1500 120 120 70
2000 120 120 70
3000 120 120 70
4000 120 115 60
6000 110 100
8000 100 95
Input : pure tone, warble tone ±5%, 5Hz Sine wave frequency modulation.
Masking : Both Air conduction and bone conduction can do masking
Computer Interface: USB data transfer interface, can transfer data to computer, and also can set up personalized print reports.
Output : Air conduction earphone(L/R), Bone conduction earphone(L/R), Insert earphone, Insert masking.
Transducer : TDH 39 earphone (standard configuration)
Ear~Tone 5A Insert earphone (Optional)
B71 bone conduction earphone (standard configuration)
Monitor function: Optional
Feedback words : Built-in feedback words microphone. 50-90 dB SPL can be continuous adjust in panel.
Display : Letter-figure
Patient signal: Responser
Structure : Engineering plastic shell
Attenuator control : standard rotary switch (can choose Push-button switch)
Power supply: outer type regulated power supply (standard configuration), 220-230V,50-60 Hz
Fuse : T2A Built-in fuse
Standard accessory: TDH39 Air conduction earphone, B71 Bone conduction earphone, responder, power line, USB line, CD software
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