| Calibrated Device | Condenser Microphone |
|---|---|
| Range |
● 1 inch (in accordance with IEC 61094-1 LS1 and 61094-4 WS1)
Frequency: 20 Hz to 12.5 kHz
● 1/2 inch (in accordance with IEC 61094-1 LS2 and 61094-4 WS2)
Frequency: 20 Hz to 20 kHz
● 1/4 inch (in accordance with IEC 61094-4 WS3)
Frequency: 20 Hz to 20 kHz
|
| Uncertainty |
● 1 inch: 0.12 dB (20 Hz to 40 Hz)，0.08 dB (40 Hz(excluded) to 4 kHz)，0.12 dB (4 kHz(excluded) to 8 kHz)，0.16 dB (8 kHz(excluded) to 12.5 kHz)
● 1/2 inch: 0.12 dB (20 Hz to 40 Hz)，0.08 dB (40 Hz(excluded) to 8 kHz)，0.16 dB (8 kHz(excluded) to 20 kHz)
● 1/4 inch: 0.12 dB (20 Hz to 40 Hz)，0.08 dB (40 Hz(excluded) to 6.3 kHz)，0.16 dB (6.3 kHz(excluded) to 16 kHz)，0.24 dB (16 kHz(excluded) to 20 kHz)
|
