1/2" prepolarized condenser pressure microphone
50 mV/Pa | Model 377B11 Larson Davis

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  Sound calibrator
  25 - 127 dB, 1 kHz | Model CAL291
  

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  Human vibration analyzer
  HVM100
  
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  Personal noise dosimeter
  Spark® 703 series
  
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  Personal noise dosimeter
  Spark® 704 series
  
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  Personal noise dosimeter
  Spark® 705 series
  
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  Personal noise dosimeter
  Spark® 706 series
  

Measurement microphones, Acoustic sensors

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  1/2" prepolarized condenser free-field microphone
  50 mV/Pa, 15 – 146 dB | Model 377B02
  
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  1/2" prepolarized condenser random incidence microphone
  50 mV/Pa | Model 377B20
  
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  1/4" prepolarized condenser free-field microphone
  3.7 mV/Pa | Model 2520
  
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  1/4" prepolarized condenser random incidence microphone
  1 mV/Pa | Model 2530
  
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  1/2" externally polarized condenser free-field microphone
  14.5 - 44.5 mV/Pa | Model 2540, 2541
  
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  1/2" externally polarized condenser random incidence microphone
  12.9 - 45.2 mV/Pa | Model 2559, 2560
  
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  1" externally polarized condenser free-field microphone
  48 mV/Pa | Model 2570
  
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  1" externally polarized condenser random incidence microphone
  45 mV/Pa | Model 2575