RBR oceanographic instruments and CTD data loggers

High-precision oceanographic instruments and autonomous data logging systems from RBR provide dependable hydrological measurements from shallow estuaries to deep ocean depths.

RBRconcerto³ multi-channel oceanographic CTD loggers

Multi-channel oceanographic loggers RBRconcerto³ are engineered for high-accuracy hydrological profiling and autonomous mooring deployments. The instruments simultaneously monitor conductivity, temperature, depth, and optical parameters across marine depths down to 6000m.

Simultaneous logging of CTD parameters, turbidity, chlorophyll, and ocean pH
High-rate sampling speeds up to 32 Hz for fine-structure profiling missions
Corrosion-resistant titanium or POM housing rated for depths down to 6000m
High-speed USB-C interface for instrument configuration and rapid download

RBRsolo³ compact autonomous temperature and wave loggers

Autonomous compact loggers in the RBRsolo³ series provide long-term temperature, pressure, and wave monitoring with ultra-low power consumption. A single internal battery supports tens of millions of continuous measurements in demanding marine and freshwater deployments.

Large internal memory storing millions of data records with flexible schedules
High-accuracy temperature sensing element with exceptional thermal stability
Ruggedized housing featuring sapphire optical ports and wave pressure sensors
Powered by standard internal AA batteries with tool-free field replacement

RBRcoda³ smart oceanographic sensors and RBRtridente units

Cabled digital sensors RBRcoda³ deliver real-time environmental data streams via industrial RS-232 and RS-485 interfaces. Optical dissolved oxygen, pH, turbidity, and CTD sensing heads integrate into underwater observatories, data buoys, and autonomous monitoring stations.

Direct real-time streaming data output over digital serial RS-232 protocols
Optical dissolved oxygen ODO and pH measurement cells with drift resistance
Watertight SubConn underwater bulkheads for dependable deep ocean coupling
Integration into automated marine monitoring stations and mooring networks

RBRargo³ specialized CTD instruments for autonomous platforms

Oceanographic CTD payloads RBRargo³ and RBRlegato³ are optimized for international Argo profiling floats and autonomous underwater gliders. Low-drag hydrodynamics and ultra-low energy draw permit hundreds of vertical profiling cycles from the surface down to deep abyssal zones.

Inductive conductivity cell design operating without active plumbing pumps
Ultra-low power consumption tailored for multi-year missions on Argo floats
Streamlined hydrodynamics for mounting on autonomous gliders and AUV hulls
Factory calibration ensuring long-term zero stability in deep sea research

RBRquartz³ high-precision quartz pressure and wave recorders

High-accuracy pressure and wave recorders RBRquartz³ utilize specialized quartz resonators to deliver exceptional measurement stability. The units serve for ocean bottom subsidence monitoring, tsunami detection, marine geodesy, and long-term tidal records across deep oceans.

Paroscientific quartz pressure sensor yielding extreme long-term resolution
Continuous surface wave spectrum and tidal oscillation measurement routines
Subsea floor vertical displacement and tectonic deformation tracking system
Heavy titanium alloy housing built for deep-sea bottom deployed stations

RBRduet³ dual-channel autonomous temperature and depth loggers

Dual-channel loggers RBRduet³ pair high-precision temperature and hydrostatic pressure sensors within a single compact body. They are ideal for coastal water profiling, estuary monitoring, lake ecosystems, and tracking thermal stratification in industrial water reservoirs.

Synchronous logging of temperature and depth channels with factory tuning
Slender instrument diameter fitting narrow monitoring boreholes and pipes
Configurable pressure ranges covering shallow estuaries and offshore shelves
Direct integration with Ruskin software platform for rapid analytical graphs

Mechanical design and hydrodynamics of RBRconcerto³ multi-channel CTD loggers

Multi-channel oceanographic loggers RBRconcerto³ are built for dependable deployment in coastal estuaries and ocean abyssal depths down to 6000m. The cylindrical body utilizes high-strength titanium or tough polyacetal engineering polymer, providing resistance to galvanic corrosion in salt water.

Internal layout accommodates up to ten sensor channels while maintaining low hydrodynamic resistance during vertical profiling drops.

The modular instrument bulkhead allows combining inductive conductivity cells, high-accuracy temperature thermistors, pressure transducers, and optical heads for turbidity, chlorophyll, and dissolved oxygen.

Energy optimization and extended deployment life of RBRsolo³ compact loggers

Autonomous single-channel loggers in the RBRsolo³ series focus on multi-month hydrological expeditions and continuous marine habitat observation. Microcontroller architecture reduces idle sleep current between active sampling bursts.

Operating from a single standard AA lithium cell, the logger captures tens of millions of readings without opening the battery compartment. Precision platinum thermometers and silicon strain gauges preserve measurement linearity during rapid thermal shifts.

A rugged housing with dual O-ring sealing prevents water ingress under high hydrostatic pressure.

Digital integration of RBRcoda³ smart sensors into ocean mooring buoys and networks

Intelligent digital sensing units in the RBRcoda³ family provide continuous environmental data streams for autonomous monitoring platforms.

Equipped with standard RS-232 and RS-485 serial communication protocols, the sensors transmit digital measurement frames across extended cable runs to telemetry buoys or shore stations.

An internal microprocessor performs real-time baseline filtering and thermal compensation before sending output packets. SubConn underwater electrical bulkheads ensure watertight multi-pin connectivity during long-term deep sea mooring.

Application of RBRargo³ CTD instruments on autonomous floats and ocean gliders

Specialized CTD payloads RBRargo³ and RBRlegato³ are tailored for autonomous robotic platforms and gliders participating in global ocean monitoring networks. Utilizing a toroidal inductive conductivity cell eliminates the need for active internal flow pumps with electric motors.

This reduction in power draw preserves battery reserves for hundreds of vertical profiling cycles from the surface down to deep bathypelagic layers. The hydrodynamic exterior sensor profile integrates smoothly with the nose fairing of underwater gliders, preventing turbulent wake distortion.

Metrological stability of RBRquartz³ deep-water quartz pressure instruments

Deep-ocean pressure recorders RBRquartz³ incorporate high-accuracy Paroscientific quartz crystal resonators that deliver sub-millimeter sea surface height resolution. Exceptional physical stability of single-crystal quartz ensures negligible long-term zero drift across multi-year bottom deployments.

The instruments are deployed in marine geodetic investigations of tectonic deformation, vertical crustal subsidence, and rapid tsunami wave detection networks. A heavy titanium alloy pressure housing withstands extreme abyssal hydrostatic loads without mechanical distortion.

Hydrostatic profiling and thermal stratification monitoring with RBRduet³ loggers

Compact dual-channel recorders in the RBRduet³ series combine high-precision temperature probes and piezoresistive pressure sensors in a streamlined package. The instrument tracks vertical thermal stratification in freshwater reservoirs, coastal inlets, and industrial cooling lagoons.

Synchronous sampling across both parameters enables rapid calculation of water density and sound velocity layers. The slim outer diameter fits narrow monitoring pipes and oceanographic mooring cages.

Ruskin software utility facilitates direct dataset visualization, parameter setting, and analytical export.

RBR / RBR Oceanographic and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of RBR / RBR Oceanographic and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.