1/2" externally polarized condenser free-field microphone
14.5 - 44.5 mV/Pa | Model 2540, 2541
Larson Davis
measurements
Environmental noise monitoring
Industrial hygiene noise studies
Machinery noise control
Research and development
Features
Rugged
Accurate
The Larson Davis Model 2540 is a free-field, 1/2 inch
microphone. It exhibits good temperature stability.
The Model 2540 is the appropriate microphone for use
with precision sound level meters intended to meet the
specifications of IEC 60651 Type 1 and ANSI S1.4-1983
Type 1.
Features
Rugged
Accurate
Wide frequency range
Flat frequency response
Stable over temperature
and humidity
Meets IEC 61094-4 Type WS2F
Externally Polarized
Supplied with individual
calibration data
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