标准 |
IEC651 Type2, ANSI S1.4 Type2 |
IEC651 Type2, ANSI S1.4 Type2 |
IEC651 Type2, ANSI S1.4 Type2 |
GB/T3785 IEC651 Type2, ANSI S1.4 Type2 |
GB/T3785 IEC651 Type2, ANSI S1.4 Type2 |
IEC651 Type2, ANSI S1.4 Type2 |
IEC651 Type2, ANSI S1.4 Type2 |
IEC651 Type2, ANSI S1.4 Type2 |
测量范围 |
30-130dB |
A:C:35-130dB 线性:35-130的dB |
35-130dB |
30-130dB |
A:C:35-130dB 线性:35-130的dB |
30-130dB |
A:C:35-130dB 线性:35-130的dB |
40-130dB |