Specifications
Operating frequency range：10 Hz∽100 kHz
Diameter/ height (mm) ：φ38 / 240
Acoustic pressure sensitivity：-170 dB
(Including preamplifier 20 dB)
Water-tight connector
Power supply：±12V / +12V

Application & Features
Underwater measurement in sea, river, lake, pool and tank
Extremely high sensitivity
Omni-directional on the horizontal

Specifications
Operating frequency range：100 Hz∽40 kHz
Spherical Diameter (mm) ：φ58
Acoustic pressure sensitivity： dB
(Including preamplifier 20 dB)
Water-tight connector
Power supply：±12V

Application & Features
Mainly used for underwater measurement in sea, river, lake, pool and tank;
Extremely high sensitivity;
Omni-directional

Specifications
Operating frequency range：100 Hz∽50 kHz
Acoustic pressure sensitivity： -195 dB
Diameter / height (mm): φ36/30

Application & Features
Underwater measurement in lake, pool and tank
High sensitivity
Omni-directional
Low price

Specifications
Operating frequency range：20∽200/500 kHz
Acoustic pressure sensitivity： -190 dB
(including preamplifier)
Power supply：±12V

Application & Features
Underwater measurement in pool and tank at high frequency
Omni-directional on the horizontal

Specifications
Operating frequency range：100 Hz∽70 kHz
Acoustic pressure sensitivity： -204 dB

Application & Features
Mainly used for underwater measurement in sea, river, lake, pool and tank.
Omni-directional