Cirrus research CR:514 Acoustic Calibrator (Class 2; 94.0 dB ± 0.4dB)

Frequency: 1kHz ± 1%

Sound Level: 94dB re 20μPa: n94.0 dB ± 0.4dB

Standardisation: IEC 60942:2017 Class 2 

Distortion: Less than 2%

Operating Humidity: 25 to 90% Relative Humidity

Operating Static Pressure: 65 kPa to 108kPa

Operating Temperature: -10ºC to +50ºC

Storing Temperature: -20ºC to +60ºC

Effective Volume: 6.19 cm3 ± 0.2 cm3

Effective Load Volume Sensitivity: -0.0008 dB/mm3 @ 1kHz

Cavity Diameter: 0.525 inch

Battery: 1 x 9v 6F22 (Neda 1604)

Battery Life: Approx 15 Hours Continuous Use

Battery Voltage: 9v Nominal (10v Maximum, 6.4v Minimum)

Weight with Battery: 185g

Dimensions: 120mm x Ø48mm

Datasheet

Manual