Larson Davis CAL150 Manual
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CAL150 Technical Reference Manual Specifications A-1A P P E N D I XA SpecificationsThe specifications contained in this chapter are subjectto change without notice. Please refer to calibration andtest results for data on a specific unit.Standards Met• ANSI S1.40-2006, Specifications and Verification Proce-dures for Sound Calibrators, Class 2• IEC 60942-2003, Class 2, Sound Calibrators• IEC 61010-1:2001, Safety requirements for electricalequipment for measurement, control, and laboratory use- Part 1 General Requirements• IEC 61326-1:2005, Electrical equipment for measure-ment, control, and laboratory use - EMC requirementsTechnical SpecificationsCalibration sound pressure level(factory specification)Calibration sound pressure level after oneyear94.0 dB and 114.0 dB ±0.3 dB SPLre: 20Pa @ 101.3 kPa, 23º C and 50 % RH(114.0 dB is the principal sound pressure level)114.0 dB ± 0.3 dB under same conditions as aboveEquivalent free-field level -0.12 dB for 1/2” free-field microphonesFrequency 1 kHz ± 1%Harmonic distortion < 2 %Stability after pressing On ± 0.1 dB after 2 secondsMinimum stabilizing time after themicrophone and calibrator are coupledtogether10 secondsStatic pressure range 65 kPa to 108 kPa, SPL variation will be < ± 0.4 dB |
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