RBR supplies modular oceanographic sensors and loggers. Generation 4 compact loggers add flexible configurations and exchangeable sensors on selected models, while standard loggers support larger multi-channel packages. The RBRcoda OpH measures optical pH through a sensitive foil and is oriented toward moorings; its pressure, salinity and response-time conditions matter alongside its 6,000 m housing rating. RBR’s separate barometric logger operates at the surface and supports post-recovery atmospheric correction of underwater pressure data.
Technical detail
Core features
Generation 4 compact loggers with selected exchangeable sensors
Multi-channel standard logging configurations
RBRcoda OpH optical pH with RS-232 output
Surface barometer and Ruskin pressure correction
Hardware
Oceanographic Sensing
Environmental Monitoring
Undersea
Ctd
Auv Payload
Glider Payload
Low Power
Use & integration
Recorded applications
Environmental characterization
Water-column monitoring
Underwater operating-context support
AUV and glider environmental characterization
Low-power water-column sensing for autonomous missions
These describe the reviewed application scope, not confirmed deployments, released requirements or procurement eligibility.
Evidence of maturity
Commercial instruments with published model-specific specifications and operating guides. The OpH quick start guide is revision A, July 2026; calibration and foil preparation remain deployment requirements.
Commercial availability
Available through RBR with sensor, housing and calibration configuration. The OpH foil requires at least twelve hours of hydration before deployment; the barometric variant must not be immersed.
Integration and verification
Readiness
A technology readiness level is not established by the reviewed public sources.
Oceanographic measurements can provide environmental context for undersea sensing and operations, although mission-specific integration still requires validation.
Oceanographic sensor and logger portfolio may help teams working on Future submarine operational capability by contributing to maritime and undersea operations, Arctic and northern operations, and detection and situational awareness.
This is a reviewed public-source assessment. It is not procurement eligibility, endorsement, customer interest, or classified demand.
Original sources 8 linked records
These records support this capability and its published Mission area and Defence need connections. A source count is not a count of independent confirmations.
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · defence applications
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · maturity
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · defence applications
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · name
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · defence applications
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · defence applications
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · core features
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · capability type
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · summary
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technicaldomainslugs
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technology readiness level
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Capability · technical tags
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Mission area · Underwater ISR
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Mission area · Underwater ISR
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Mission area · Underwater ISR
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
Supports: Mission area · Underwater ISR
RBRcoda OpH uses a pH-sensitive foil, 6,000 m titanium housing, RS-232 and 7–9 pHT calibration. Initial accuracy is conditional on 35 PSU and atmospheric pressure, with a stated response time under 80 seconds at 25°C. This mooring-oriented response is not instantaneous profiling.
RBR standard loggers range from one or two channels through concerto3 and maestro3 multichannel configurations. The maestro3 supports five to ten channels and up to 16 Hz; sampling, channel count and interfaces remain model-specific.
Supports: Capability · core features
RBR standard loggers range from one or two channels through concerto3 and maestro3 multichannel configurations. The maestro3 supports five to ten channels and up to 16 Hz; sampling, channel count and interfaces remain model-specific.
RBRsolo4 and RBRduet4 compact loggers support flexible measurements, USB-C and AA batteries, with exchangeable sensors on some models. Standard sampling is up to 2 Hz, optionally 32 Hz, and selected depth options reach 10,000 m. Infinite-memory marketing is explicitly qualified as not literal.
Supports: Capability · summary
RBRsolo4 and RBRduet4 compact loggers support flexible measurements, USB-C and AA batteries, with exchangeable sensors on some models. Standard sampling is up to 2 Hz, optionally 32 Hz, and selected depth options reach 10,000 m. Infinite-memory marketing is explicitly qualified as not literal.
RBRlegato3 is designed for gliders and AUVs, is rated to 1,000 metres, communicates over RS-232, and is described as consuming 90 percent less power than traditional pumped CTDs.
RBR presents Canadian-built oceanographic sensors that measure temperature, depth, salinity, dissolved gases, pH, and other parameters from deep ocean to polar environments.
Supports: Mission area · Underwater ISR
Source location: Reviewed source summary
RBR presents Canadian-built oceanographic sensors that measure temperature, depth, salinity, dissolved gases, pH, and other parameters from deep ocean to polar environments.
Public sources cited · Facts and assessments kept separate · Human review
Supports: Defence need · Future submarine operational capability
Source location: Reviewed source summary
RBR presents Canadian-built oceanographic sensors that measure temperature, depth, salinity, dissolved gases, pH, and other parameters from deep ocean to polar environments.
RBRcoda OpH quick start guide revision A, July 2026, requires foil hydration for at least twelve hours before deployment, protection from sunlight and physical damage, and dry covered storage. Calibration certificates are available through Ruskin.
Supports: Capability · commercial availability
RBRcoda OpH quick start guide revision A, July 2026, requires foil hydration for at least twelve hours before deployment, protection from sunlight and physical damage, and dry covered storage. Calibration certificates are available through Ruskin.
RBRsolo4 D barometer records atmospheric pressure at the surface for post-recovery Ruskin correction of underwater measurements. This barometric variant must not be immersed. Time-series gaps are interpolated during correction.
Supports: Capability · commercial availability
RBRsolo4 D barometer records atmospheric pressure at the surface for post-recovery Ruskin correction of underwater measurements. This barometric variant must not be immersed. Time-series gaps are interpolated during correction.
Supports: Capability · summary
RBRsolo4 D barometer records atmospheric pressure at the surface for post-recovery Ruskin correction of underwater measurements. This barometric variant must not be immersed. Time-series gaps are interpolated during correction.
Supports: Defence need · Future submarine operational capability
Canada identifies long range, long endurance, under-ice operation, surveillance, deterrence, Arctic, Atlantic, and Pacific missions as public capability needs for the future fleet.
