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AK-1000 Acoustic calibrator

characteristics
The AK-1000 is recommended for use with OCTAVE-101A, OCTAVE-101AM, OCTAVE-110A, OCTAVE-110A-ECO, OCTAVE-121, OCTAPHONE-110, OCTAVE-201, ECOPHYSICS-110A sound meters. The AK-1000 can be used for calibration of acoustic measuring paths with VMK-205, MK-265, MR-201, M-201, MK-233 microphones, and other ½-inch microphones.

technical specifications
Reproducible ultrasound, dB (rel. 20 µPa): 94 and 114
The limits of the permissible basic error of the reproducible ultrasound, dB: ± 0.25
Limits of the permissible additional error of the ultrasound caused by a change
in ambient temperature in the operating temperature range, dB: ± 0.08
Frequency of the reproduced sound pressure, Hz: 1000
Limits of the permissible basic relative error of reproduction of the sound
pressure frequency, %: ± 0.7
Limits of the permissible additional relative error of the sound pressure frequency caused by a change in ambient temperature in the operating temperature range, %: ± 0.07
Coefficient of nonlinear distortion, %, not more than: 2.5
Weight (with batteries), kg, no more than: 0.250
Overall dimensions (length×diameter), mm, no more: 158×35
Operating conditions:
- ambient temperature, ° C: from minus 10 to 50
- relative humidity (at 40 ° C), %, not more than: 90
- atmospheric pressure, kPa: from 65 to 108
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