製品写真(SC-3100/2120 音響校正器)

SC-2120A

 

For microphone calibration, a sound pressure calibrator (piston-phone type or speaker type) that generates predetermined sound pressure is used.

 

The SC-2120A is a speaker type sound calibrator and used for an operation checking of sound measurement system etc. It is applicable to  IEC 60942:2003 Class 2, JIS C1515:2004 Class 2.

 

Features

  • For an operation checking
  • Applicable to 1/2-inch microphone
  • Long battery life (continuously more than 20 hours)

 

 

Outline of specifications

Model SC-2120A
Applicable standards IEC 60942: 2003 Class 2
JIS C1515: 2004 Class 2
Method Dynamic speaker
Applicable microphone Generated sound pressure level 94 ± 0.5 dB
Distortion rate 0.5 % or less
Generated frequency 1000 Hz ±1.0 %
Output stabilizing time 30 seconds or less after a microphone is inserted.
Operating temperature range -10 to +50 °C
Storage temperature range -20 to +60 °C (not including batteries)
Operating humidity range 25 to 90 %RH (with no condensation)
Storage humidity range 10 to 90 %RH (with no condensation)
Power 9-V battery: 6F22 or 6LR61 × 1
Battery life Approx. 20 hours or more of continuous operation
(when using 6F22 type dry cell batteries at 25 °C)
Outer dimensions 52(W) × 45(H) × 130(D) mm
Weight Approx. 300 g
Accessories
  • Flat dry cell(6F22)

Revised:2009/06/30



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