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4193-L-004

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 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
Code Name
-4193-L-004- 1/2" classic MicSet PF, LF, w. PA 2669L
-4193-C-004- 1/2" classic MicSet PF, LF, w. PA 2669C
-4193-B-004- 1/2" classic MicSet PF, LF, w. PA 2669B

File

Description

Type

Languages

Size
TEDS Microphones

Technical Document English 249 KB
TYPE 4193
Standard IEC 61094
Sound field Pressure field
Polarization Classical
Sensitivity 2 mV/Pa
Freq. range (low) 0.1 Hz
Freq. range (high) 20 kHz
Dyn. range (low) 29 dB
Dyn. range (high) 148 dB
Diameter 1/2 inch
Venting Side
Lower operating temperature -20 °C
Higher operating temperature 80 °C
Lower operating temperature -4 °F
Higher operating temperature 176 °F
Output signal (connectivity) Passive

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