These 1/2" prepolarised free field microphone capsules are suitable for use with professional grade Class 1 and Class 2 Sound Level Meters. Each capsule is supplied with a calibration chart.
All of the microphones in this range are based on the same technology, ensuring mechanical compatibility.
The microphones offer excellent long term stability and temperature stability, making them suitable for hand-held instruments as well as out-door long term noise monitors.
|Frequency Range||CEL251: 20Hz to 20kHz ± 2dB|
|CEL252: 20Hz to 12.5kHz ± 2dB|
|Sensitivity||CEL251: 50 mV/Pa|
|CEL252: 32 mV/Pa|
|Thread||Standard WS2 microphone|
|Max level||CEL251: 146dB|
|Temperature Range||CEL251: -30 to +80 °C|
|CEL252: 0 to +40°C|
|Diameter||0.5" (13.2mm ± 0.02mm)|
|Weight||0.3 oz (9g)|