Type 4954 Microphone

Type 4954 Microphone

TYPE 4954

<强>1/4"麦克风风，预极化

TYPE 4954

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TYPE 4954高电平高频麦克风组具有出色的测量性能，而激光焊接的不锈钢膜片和不锈钢保护栅，使这款麦克风能够承受恶劣的环境。

Ul.

高频测量

高级别测量

具有成本效益的测量

1/4-inch Prepolarized Free-field Microphone Type 4954

Data Sheets

English

TYPE 4954
Standard	IEC 61094
Sound field	Free field
Polarization voltage	0V
Sensitivity	3.16 mV/Pa
Lower limiting frequency	4 Hz
Higher limiting frequency	100 kHz
Inherent noise	35 dB(A)
Upper limiting of dynamic range	165 dB
Diameter	1/4 inch
Venting	Side
Minimum Temperature	-40 °C
Maximum Temperature	150 °C
Minimum Temperature	-40 °F
Maximum Temperature	302 °F

CAPABILITIES

Excellent amplitude and phase matching over wide ranges of temperature and humidity phase response
Excellent long-term stability through artificial aging and clean room assembly guarantee excellent long-term stability and low noise even in harsh environments
Side vented for pressure equalization.
The microphone does not need an external polarization voltage, thus enabling the use of inexpensive 2-wire system (CCLD) input.

Prepolarized Free-field Microphone Type 4954 has been optimised for a flat, free-field response and is suited for measurements far beyond the audible range. Due to its wide frequency range, the frequency response in the audible range is typically within ±1 dB.

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