Disable Preloader

Lorem ipsum is simply free text dolor sit am adipi we help you ensure everyone is in the right jobs sicing elit, sed do consulting firms Et leggings across the nation tempor.

Latest News

Contact Info
images

Sound Calibrator [NC-72A]

Standard sound source that generates a constant sound pressure of 114 dB at 250 Hz.

 

Features:

  • Allows calibration with accuracy of ± 0.15 dB.
  • Usable in wide temperature and humidity range.
  • Usable as a standard sound source in laboratories or as a calibration sound source for sound level meters on site.

 

Specifications

Applicable Standards

IEC 60942:2003(JIS C 1515:2004) class LS/C and class 1/C

Suitable Microphones

1, 1/2, or 1/4 inch microphones

Nominal sound pressure level

114 dB

Specified sound pressure level tolerance limit: ± 0.15 dB(101.325 kPa)

Frequency

250 Hz ± 1 %

Total harmonic distortion factor

2.5 % or less

Ambient Condition

-10 to + 55℃ (with alkaline batteries), 10 to 90 % RH (without dew condensation)

Batteries

IEC LR6 (size AA) battery ×6, approx. 13 hours (continuous use) by alkaline

Dimensions

Approx. 62(H)×170(W)×44(D)mm

Weight

Approx. 740 g (including batteries)