Specifications
Type f0 frequency range:
SY10 (8kHz): 5∽20kHz
SY40 (40kHz): 20∽80kHz
SY80 (80kHz): 50∽130kHz
SY160 (160kHz): 120∽210kHz
Directivity:
SY10 (8kHz): 90º@ 8KH
SY40 (40kHz): 21º@30KH
SY80 (80kHz): 20º@60KH
SY160 (160kHz): 10º@150KH
f0: center frequency

Application & Features
Used for wideband underwater acoustic measurement，detection and communications e.g. lakes and tanks
High response
Wide bandwidth

Specifications
Operating frequency range：5 Hz∽3 kHz
Acoustic pressure sensitivity： -200 dB
Diameter / height (mm) ：φ18/53

Application & Features
Towed streamer and ocean bottom cable applications
High sensitivity
Excellent accretion canceling

Specifications
Operating frequency range：5 Hz∽10 kHz
Acoustic pressure sensitivity： -202 dB
Diameter / height (mm) ：φ15/53

Application & Features
Towed streamer and ocean bottom cable application
Acceleration canceling
Qualities and Low electric noise

Specifications
Operating frequency range：5 Hz∽10 kHz
Acoustic pressure sensitivity： -196 dB
Diameter / height (mm) ：φ21/37

Application & Features
Towed streamer and ocean bottom cable application
Qualities and Low electric noise.

Model         Length×width×thick
HJ-B3.5M   (80-130)×(13-16)×0.4  3.5MHz  ≥0.37(K31)   2200-3000 (ETR3)
HJ-B5.0M   (60-110)×(12-15)×0.3  5.0MHz  ≥0.36(K31)   2200-3000 (ETR3)
HJ-B7.5M   (50-100)×(10-14)×0.2  7.5MHz  ≥0.35(K31)   2200-3000 (ETR3)