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Ljudkalibrator

Ljudkalibrator
Ljudkalibrator för mätmikrofoner

Beskrivning

 

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:
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