AD104-II Компьютеризированный портативный диагностический аппарат для диагностики

Описание и отзывы

Трекер стоимости

Характеристики

Computerized Portable Clinic Diagnostic Hearing Test Audiometer
CHR-AD104-II

 

There are two versions of AD104:

AD104-II is superior to 104-I in two ways:
1) 104-II has the software for Bone Conduction function while 104-I doesn't.
2) 104-II can be connected to a computer directly while 104-I can not.
 
Product Description
Extended range function: If haven't selected, AC output restrictions smaller than the maximum output 20 dB
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 a 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 continuously adjusted in the panel.
Send test voice: Manual or automatic/ Monopulse/ Multiple-pulse
Frequency selection: If you need to fast test, you can select 250 Hz,750 Hz,1500Hz, 4k Hz, or 6k Hz.
Display: Letter-figure
Patient signal: Response
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

 

Specification

• Headphones: TDH39(AC), B71-W(BC)


• Power supply: 230V AC transformer, 50Hz


• Dimension: 43*30*11cm


• Microphone: Internal

Technical Data

Output	Air Conduction, Bone Conduction, Free field
Frequency	AC 125-8000Hz    BC 250-6000Hz
Masking	Air Bone and Contralateral
Test	AC Test, BCTest
Tone	Pure tone, pulse tone, warble tone
Precision	sound pressure ±1dB
Frequency	less than ±2%
Distortion Air conduction	≤2.5%
Bone conduction	≤5%

 

Standard accessory:
TDH39 Air conduction earphone
B71 Bone conduction earphone
responder, power line, USB line, CD software
audiometric leaves.