리퍼비시 계측기
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Type 4938-A-011
- ModelType 4938-A-011
- MakerB&K
- DescriptionMicrophone, With Type 2670 Preamplifier
- Rental문의요망
- Stock문의요망
Type 4938-A-011 pressure field microphone set is designed for high-frequency measurements.
By using new materials and a new way of mounting the diaphragm, the microphone is geared to withstand rough handling and high temperatures of up to 300°C (572°F).
• Plug‐and‐play
• Frequency: 1 Hz to 180 kHz
• Dynamic Range: 6.5 dB to 192 d
- Capacitance pF
- Diameter 1/4
- Dyn. range 42 – 172 dB
- Freq. range 4 – 70000 Hz
- Inherent noise 42 dB A
- Lower limiting frequency -3dB 4 Hz
- Optimised Pressure Field
- Polarization Ext polarized
- Polarization voltages 200 V
- Pressure coefficient -0.003 dB/kPa
- Sensitivity 1.4 mV/Pa
- Standards IEC 61094-4 WS3P
- Temperature coefficient 0.003 dB/ºC
- Temperature range -20 – 80 ℃
- Venting Side
- Weight gram
- Sound field Pressure-field
- Input type Classic
- Microphone type Pressure Field
