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TYPE 4193

1/2" LOW FREQUENCY PRESSURE FIELD MICROPHONE

Low frequency microphone Type 4193 is designed for infrasound measurements over a frequency range of 0.07 Hz to 20 kHz. The microphone is externally polarized and must be used with a classical preamplifier.

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TYPE 4193

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Type 4193 Low Frequency Microphone is built for making infrasound measurement in ship engine rooms, in helicopters and in wind-buffeted buildings, due to its extremely low cut-off frequency.

When used with Infrasound Adaptor UC-0211, the lower limiting frequency of the preamplifier is reduced to 0.1 Hz.

Pressure-field microphones are optimised to have a flat frequency response in a pressure field, and work well for making measurements in small, closed couplers or close to hard, reflective surfaces. The microphone is an ideal choice when making:

  • Infrasound (infrasonic) measurements
  • Sonic boom measurements
  • General pressure field measurements

File

Description

Type

Languages

Size

TEDS Microphones

Technical Document English 249 KB
4193 - Datasheet (bp2214)

½″ Pressure-field Microphone Type 4193 Datasheet (bp2214)

Technical Document English 390 KB
TYPE 4193
Standard IEC 61094
Sound field Pressure field
Polarization voltage 200V
Sensitivity [mV/Pa] 12.5 mV/Pa
Lower limiting frequency 0.07 Hz
Higher limiting frequency 20000 Hz
Inherent noise 19 dB(A)
Upper limiting of dynamic range 162 dB
Diameter 1/2 inch
Venting Side
Minimum Temperature [°C] -30 °C
Maximum Temperature [°C] 300 °C
Minimum Temperature [°F] -22 °F
Maximum Temperature [°F] 572 °F