CEL-120 akustik kalibratorining texnik xususiyatlari: Parametr qiymati CEL-120/1 CEL-120/2 EN (IEC) 60942: 2003, ANSI S1.40: 2006 bo'yicha 1-sinf kalibrlash EN (IEC) 60942: 2003, ANSI S1.40: 2006 bo'yicha 2-sinf bo'yicha kalibrlash. Sinf 2. SPL kalibrlash (atrof-muhit chegarasidan tashqarida) 114,0 dB ± 0.4 dB va 94.0 dB ± 0.4 dB 114.0 dB ± 0.6 dB Kalibrlash darajasi (mos yozuvlar shartlari) 114,0 dB ± 0.25 dB va 94.0 dB ± 0.25 dB 114.0 dB ± 0.35 dB Kalibrlash chastotasi 1 kHz ± 1 Hz Garmonik buzilish 1.0% dan kam Batareya turi 2 x 1.5 V AAA (LR03) Batareya muddati 2 yil (normal foydalanish) Olchamlari 75,5 x 54,0 x 37,0 mm Og'irligi 85 gr (batareya bilan birga)