AK-1000. Acoustic calibrator

AK-1000 is a class 1 acoustic calibrator designed for calibration of sound level meters and acoustic measurement channels.

AK-1000 is recommended for use with the following sound level meters: OKTAVA-111, OKTAPHONE-110, ECOPHYSIKA, ECOPHYSIKA-110А and other class 1 sound level meters with 1/2 –inch microphones

Specification

Standards GOST R IEC 60942, class 1
Sound Pressure Level (SPL) 94 dB, 114 dB re:20 microPa ± 0,25dB
Frequency

1000 Hz± 0,7%
Harmonic distortion

<2,5%
Weight

<0,250 kg
Size

158 x 35 (dia) mm

Operational environmental conditions              

 
  • air temperature
 - 10°С to + 50°С
  • relative humidity (at +40 °С),        
 <90%
  • static pressure
 65 to 108 kPa