Ursprungsort
Guangdong, China
Product name
AD-20 Diagnostic audimeter
Test function:
Air conduction test, bone conduction test
Channel:
Two independent channels
Frequency range:
125-8000Hz
Intensity:
0-110 db , 5 db increasing
Sound stimulation:
Pure tone , warble tone and pulse tone
Precision: frequency:
±0.05 %; intensity: ±1dB
Standard:
3A ANSI S3.6-1996