Calibrated Device |
Condenser Microphone
|
---|---|
Range |
(1) Reciprocity Method
1 inch (in accordance with IEC 61094-1 LS1)
Frequency: 1 kHz to 10 kHz (1/3 Octave)
(2) Reciprocity Method
1/2 inch (in accordance with IEC 61094-1 LS2)
Frequency: 1 kHz to 40 kHz (1/3 Octave)
(3) Comparison Method
1/2 inch (in accordance with IEC 61094-1 LS2 and IEC 61094-4 WS2) Frequency: 250 Hz to 40 kHz (1/3 Octave) |
Uncertainty | (1) 0.16 dB (1 kHz to 10 kHz)
(2) 0.18 dB (1 kHz to 40 kHz)
(3) 0.40 dB (250 Hz to 800 Hz),0.45 dB (800 Hz(excluded) to 20 kHz),0.55 dB (20 kHz(excluded) to 31.5 kHz),0.70 dB (31.5 kHz(excluded) to 40 kHz) |