Ljudkalibrator

Ljudkalibrator för mätmikrofoner
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    Specifikationer CA 114

    Standard IEC60942:2003 Class 2, ANSI S1.40-1984, GB/T 15173-1994
    Sound Pressure   Level 94.0dB   ±0.3 dB re 20 μPa
    Frequency 1000Hz ±0.5%
    Microphone   Diameter According to   IEC61094-4: 1/2” & 1/4”
    Harmonic   Distortion <2%   Stabilization Time: <10 s="" span="">
    Equivalent   Free-field Level -0.2 dB for 1/2”   Microphones
    Equivalent Random   Incidence Level +0.0 dB for 1/2”,   1/4”
    Reference   Conditions Ambient   Temperature: 25°C (77°F) / Ambient Pressure: 101.3 kPa / Humidity: 55% RH /   Effective Load Volume: 250 mm3
    Environmental   Conditions Temperature:   -10°C-50°C (14°F -122°F) Pressure: 65 kPa to 108 kPa Humidity: 10 to 90%RH   (non-condensing)
    Power Supply Batteries: 1.5 V   LR6 (AA battery) × 2 Lifetime: Typically 40 hours with alkaline batteries at   25°C (77°F)
    Diameter 48*70*70mm
    Weight Weight: ≈180g,   including batteries

     

     

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Adress

Semafor Mediateknik AB
Järnvägsgatan 36,
131 54 Nacka, Sweden
08-556 785 50

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