Microphone Optique – XARION

Catégorie : Partenaire :

Les microphones optiques sans membrane ETA Ultra de chez XARION permettent de couvrir la bande de fréquence acoustique de 10 Hz à 1MHz avec une seule tête de capteur.

Caractéristiques principales :

    • Microphone optique sans membrane
    • Pour des niveaux de pression sonore très élevés
    • Gamme de fréquences : 10 Hz-1 MHz (acoustique et ultrasons)
    • Plage dynamique : 100dB

Caractéristiques techniques :

SpecificationsETA100ETA250ETA450
Transducer typeMembrane-free, opticalMembrane-free, opticalMembrane-free, optical
Frequency range10Hz – 1MHz10Hz – 1MHz5kHz – 2MHz
Dynamic range100dB100dB100dB
Self-noise1.5mPa (BW: 1Hz, measured @ 1kHz)50µPa (BW: 1Hz, measured @ 1kHz)5µPa (BW: 1Hz, measured @ 1kHz)
Self-noise, full bandwith1.5Pa50mPa10mPa
Max. sound pressure for THD < 3%12kPa400Pa40Pa
Max. sound pressure level for THD <3%176dB rel. 20µPa146dB rel. 20µPa126dB rel. 20µPa
Damage threshold>194dB rel. 20µPa>194dB rel. 20µPa>194dB rel. 20µPa
Sensitivity0.35mV/Pa @ 1kHz (0dB gain, 50Ω)10mV/Pa @ 1kHz (0dB gain, 50Ω)100mV/Pa @ 1kHz (0dB gain, 50Ω)
Polar patternOmnidirectionalOmnidirectionalOmnidirectional
Sound field optimizationFree field and pressure fieldFree field and pressure fieldFree field and pressure field
CalibrationYes, standard calibrators (with adapter)Yes, standard calibrators (with adapter)Yes, standard calibrators (with adapter)
Maximum output voltage±15V (high impedance), ± 7.5V (50Ω)±15V (high impedance), ± 7.5V (50Ω)±15V (high impedance), ± 7.5V (50Ω)
Output impedance50Ω50Ω50Ω
Output connectorBNCBNCBNC
Size of sensor headdiameter: 5mm; length: 38mmdiameter: 5mm; length: 38mmdiameter: 5mm; length: 35mm
Weight of sensor headca. 10gca. 10gca. 10g
Lenght of fiber-optic cable5m (other upon request)5m (other upon request)5m (other upon request)
Size of signal conditioning unit220mm x 334mm; height: 93mm220mm x 334mm; height: 93mm220mm x 334mm; height: 93mm
Weight of signal conditioning unit8kg8kg8kg
Power supply120/230V ±5%; 50/60Hz120/230V ±5%; 50/60Hz120/230V ±5%; 50/60Hz
Power consumption<50W<50W<50W
Storage temperature—20°C to 80°C (0°F to 175°F)—20°C to 80°C (0°F to 175°F)—20°C to 80°C (0°F to 175°F)
Operating temperature of sensor head—20°C to 100°C (0°F to 210°F)—20°C to 100°C (0°F to 210°F)—20°C to 100°C (0°F to 210°F)
Operating temperature of signal conditioning unit15°C to 30°C (60°F to 85°F)0°C to 50°C (30°F to 120°F)0°C to 50°C (30°F to 120°F)
Environmental humiditynon-condensingnon-condensingnon-condensing

Documentation :

Datasheet Microphone Optique Eta100 Ultra
Datasheet Microphone Optique Eta250 Ultra
Datasheet Microphone Optique Eta450 Ultra