CAL200 Manual Specifications A-1
APPENDIX
A
Specifications
The specifications contained in this chapter are subject to
change without notice. Please refer to calibration and test
results for data on a specific unit.
Standards Met
• ANSI S1.40-2006, Specifications and Verification Proce-
dures for Sound Calibrators, Class1
• IEC 60942-2003, Class 1, Sound Calibrators
• IEC 61010-1:2001, Safety requirements for electrical
equipment for measurement, control, and laboratory use
- Part 1 General Requirements
• IEC 61326-1:2005, Electrical equipment for measure-
ment, control, and laboratory use - EMC requirements
Technical Specifications
Measurement uncertainty and coverage factor information
is shown on test reports that ship with the calibrator.
Calibration sound pressure level 94.0 dB and 114.0 dB ± 0.2 dB
re: 20Pa @ 101.3 kPa, 23 ºC and 50% RH
(114.0 dB is the principal sound pressure level)
Equivalent free-field level -0.12 dB for 1/2” free-field microphones, including
377B02 and other WS2F-compliant free-field
microphones
Frequency 1 kHz ± 1%
Total Harmonic distortion < 2%
Minimum stabilizing time after the
microphone and the calibrator are coupled
together
10 seconds
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