Air conduction Frequency: 250Hz,500Hz,750Hz,1000Hz,1500Hz,2000Hz,3000Hz,4000Hz,6000Hz,8000Hz;
Bone Conduction Frequency: 250Hz,500Hz,750Hz,1000Hz,1500Hz,2000Hz,3000Hz,4000Hz,6000Hz.

0.91kg AD100 Built-in Li-Battery Out Visit Portable Medical Diagnostic Audiometer 
CHR-AD100
 

1. Channels: Two independent output channels
2. Air conduction:

(1) Frequency: 250Hz,500Hz,750Hz,1000Hz,1500Hz,2000Hz,3000Hz,4000Hz,6000Hz,8000Hz;

(2) -10dB≤Hearing level for Testing≤110dB.
3. Bone Conduction:

(1) Frequency: 250Hz,500Hz,750Hz,1000Hz,1500Hz,2000Hz,3000Hz,4000Hz,6000Hz.

(2) -10dB≤Hearing level for Testing≤60dB

4. Signal for testing:  Pure tone, warble, and narrowband noise.  

5. Frequency accuracy: The allowable error of frequency for this audiometer is ±2%.

6. Microphone: Built-in microphone or external gooseneck style microphone (optional) for easy communication with the testee. (Volume: 0-20 adjustable)

7. Display: LCD display, double-line accurate numerical display.

8. Distortion: Air conduction is less than 2.5% while bone conduction is less than 5.5%

9. Accuracy: Continuous attenuation / stepping 5dB, error 1dB

10. Masking: masking on the opposite side of the tested ear during air conduction and bone conduction tests.

11. Protection function: Protect the testee's hearing from damage as much as possible

12. Computer interface: USB 2.0 data transmission interface, can be connected to the workstation for printing test report

13. Online diagnosis: self-analysis and generation of occupational noise-induced hearing loss diagnosis report according to the "National Occupational Health Standards of the People's Republic of China"

14. Operating environment: Temperature 10 °C ~ 40 ° C, relative humidity 30% ~ 90%, pressure 86 kPa ~ 106 kPa

15. Warm-up time: 5 to 10 minutes

16. Meantime between failures ≥1000h

17. Host size: 325mm*195mm*27mm

18. portable, lightweight: weight: the host is about 910g, the gross weight is about 4.6kg

19. Power adapter: Input 100V-240V ~ 50/60Hz 1.5A; Output DC 12V/4A

20. Built-in battery: nominal voltage 7.4V/5000mAh; continuous operation≥8 hours, standby operation mode≥ 1 week

21. Output: TDH 39 air conduction earphone, B71 bone conduction earphone

22. Safety standard: GB 9706.1-2007 GB/T 14710-2009

23. Audiometer reference standard: GB/T 7341.1-2010 JJG 388-2012

24. Production license number: Guangdong Food and Drug Administration Production No. 20091764

25. Standard configuration: TDH39 air conduction headset, B71 bone conduction headset, responder, power cable, USB data cable, software, audiometer, aluminum box

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