ACOUSTIC RELEASE BEACONS AND POSITIONING BEACONS

Acoustic release beacons are used to recover or lower equipment deployed under the sea, either in shallow or continental shelf waters.
ATT-400 ACOUSTIC TARGET TRANSPONDER

The ATT-400 transponder can operate underwater as a pinger or transponder. This underwater acoustic transponder is small and easy to deploy in depths of 1000m. When interrogated by the STI-350, DTI-300 or VADR series acoustic receivers, the ATT-400 provides range and bearing up to 750 meters away. The ATT-400 can also be programmed to operate as a free-running pinger. With a battery life of up to six months, this transponder is ideal for marking equipment and locations in poor visibility.
ACOUSTIC RELEASE TRANSPONDER RT6-1000

The Release Transponder 6 (RT 6-1000) has been designed for use in continental shelf waters to water depths of 1,000 meters
WiMo WAVE / TIDE

The WiMo sonde can be used as a data logger as you can use it without any sensors.
DPR-275 DIVER PINGER RECEIVER

This small and rugged handheld diver acoustic receiver with LCD display and signal strength meter can track and locate any acoustic pinger that operates between 5 to 80 kHz.
ROTV MINIBAT HAMMERHEAD

The HAMMERHEAD is a vehicle platform featuring extremely light corrugated instrumentation and designed to be towed with a wide variety of data collection instruments. This is the improved evolution of the ROTV MiniBat FC60.
PINNACLE 45

With Pinnacle 45, TRDI continues its rightful place as the leader in deep water current profiling technology.
AQUAFLUOR

AquaFluor Handheld Fluorometer/Turbidimeter
AquaFluor® is a lightweight, inexpensive, handheld fluorometer/turbidimeter ideal for field use
MICROPLASTIC SEDIMENT SEPARATOR MPSS

Density Separation of Microplastic Particles from Sediment Samples