Chelsea Technologies specialises in the design of underwater transducer technology. With over 45 years’ experience, our comprehensive range of standard transducers are ideal for a wide range of applications from aquaculture to defence. Our in-house acoustics experts can also help with custom products and design projects.
We offer two types of transducer products; hydrophones and projectors. Our Hydrophones produce an electrical signal from the sound pressure (SL) in the water, whilst our Projectors produce a sound field in the water, referred to as the Source Level (SL). A wide selection of spherical, tubed and flexural discs transducers are available, all capable of low frequency and useful for sound sources.
Chelsea Technologies has a distinguished history in the design of underwater acoustics technology. Our comprehensive range of standard transducers are adaptable for a wide range of applications from aquaculture to defence, whilst our sonar test system and low frequency sonar test system continues to be in use in navies around the world
DualSense Series – Reciprocal Transducers
DualSense are a series of reliable, robust, spherical transducers, capable of projecting and receiving underwater acoustic signals. Available in a wide range of frequencies, the majority are both horizontally omni-directional, with vertical directionality greater than 270 degrees. Applications include: calibration references, marine mammal audio sensing, environmental noise measurements, air gun and boomer monitors, acoustic reference standards, use in harbour defence systems.
SonoTube Series – Communication Transducers
SonoTube is a series of low frequency, broadband transducers, operational in both transmit and receive modes. Low frequency, high power projector-receiver transducers, active over 5kHz to 20kHz, broadband, operational to full ocean depth Applications include: telemetry, underwater wireless communications e.g. communication buoys, use in underwater positioning and navigation systems, underwater telephones, acoustic reference standards.
Broadband Series – Broadband Projectors
Broadband transducers, high power, often with integrated tuning elements to produce the wide and flat transmit response. Chelsea’s BroadBand 012 is a reliable, horizontally omni-directional, spherical, reciprocal transducer. Applications include: acoustic reference standards, use in sonar test and evaluation systems, communications and underwater positioning.