الوصف

 specifications

Test function:    Air conduction test ,bone conduction test
Channel :           Two independent channel
Masking :       white noise
Output :        Air conduction/bone conduction
Intensity :      0〜**0 db , 5 db increasing
Frequency range : **5〜***0Hz
Sound stimulation:    pure tone , warble tone and pulse tone
Masking signal : white noise
Response System : manual control
Precision :      frequency: ±0.*5 ï¼…; intensity: ±1dB
Sweep signal :    pure tone / warble tone, **5〜***0Hz ，*0〜*0dBSPL
Noisy signal :    *5 minutes. ****0dBSPL(The computer automatic scanning)
Sweep Time :    3 minutes
Test Standard :   ANSIS3.******7 ，***6 ; GB/T**4.1
Standard :       3A
               ANSI S3.*****6
 
USB interface :   USB2.0 high-speed
Supply Voltage:   5V
Access Equipment : MIC
Size:           L*W*H: *0.5X*4.5X4(CM)
Weight :        **6g(bare machine)
Frequency and maximum output intensity
 
Frequency                AC             BC

•            *5