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CENTER 327 Sound Level Calibrator (125Hz & 250Hz) 

CENTER 327 Sound Level Calibrator (125Hz & 250Hz)
 Description 
FEATURES
  • 94dB Sound Calibrator At 125Hz And 250Hz
  • Accurate And Simple To Use
  • Fits 1inch And 1/2inch Microphones
  • Low Battery Indicator
  • IEC 60942(2003) Class 2, Ans1.40-1984 
 
 Specifications
  
Output Sound Pressure Levels:
94dB re 20uPa under reference Conditions
Output Frequency: 125Hz ±2% and 250Hz ±2%
Total Harmonic Distortion: < 4%
Reference Condition:
Temperature 23℃(73℉)
Static press 103hpa
Relative humidity 50%
Accuracy of sound pressure level:
Understated reference environment conditions ±0.5dB
Battery test:
Operate: Green LED indicator
Low battery: Red LED indicator
Battery: 9V battery
Dimensions: 113x63x44 mm
Weight: Approx.170g
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