1000±0.01% Hz allows calibration with A,B,C or D weighting networks or linear.
Application
Calibration of 1” and ½” Microphones
Temperature Coefficent
0 to 0.01 dB/oC
Altitude Effects
Approximately 0.1dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmospheric pressure change (approximately every 50mm of Hg decrease)
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