Sound Calibration Generator BSWA-01

Calibrator for regular adjustment of the sound level meter, class 1, as well as testing the linearity of sound level meters - Applicable standards: IEC60942:2003 Class 1, ANSI S1.40-1984, GB/T 15173-1994. - Output frequency 1 kHz (+/- 0,5 %) - Output of acoustic pressure, can be selected at 94 dB or 114 dB (± 0.3 dB) - Distortion factor ˂ 2 % - Stabilisation time ˂ 10 s - Permissible ambient temperature range -10 °C/50 °C - The calibrator is designed for ½" as well as ¼" microphones (adapter included in the delivery) in accordance with the IEC 61094-4 standard - Battery operation, 2× 1.5 V AA, not standard, operating time up to 40 hours - Dimensions W×D×H 70×70×48 mm - Net weight approx. 137 g