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Click to enlargeOutdoor Microphone, 0º Type 41AM
An outdoor microphone unit for permanent outdoor installations, for example in airport noise monitoring systems. The unit has a built-in A-weighting network, a ± 20 dB amplifier, and an electrostatic actuator for a complete check of system functionality. This unit is type approved by PTB as part of a monitoring system for type 1 Sound Level Measurements.
This unit is fitted with a special ½" microphone for measurements at 0º incidence. This microphone (the Type 41AS) is optimised for use with its windscreen and rain protection.
See also Type 41AL for a low-cost alternative to permanent outdoor installations.

Download PDF Data Sheet: pd_41AM_ver_25_03_03.PDF

Related Products:

Type 41CN
Type 41AL
Type 41AO

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Specifications Type 41AM

Sensitivity:

50 mV/Pa (unified)

Dynamic range:

20 - 136 dB re. 20µPa

Frequency response:

Type 0 for both: IEC 60651 and ANSI S1.4-1983

Power supply:

12 - 18 VDC

Cal. level of electro-static actuator:

90 dB at 1000 Hz

Output connector:

6-pin LEMO

Pole adapter:

50 mm (1.97'') G 1½'' (ISO 228/1)

Reference direction:

0° (vertical for airport noise)

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Updated 22. june 2007

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