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AML Oceanographic

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Hydrographic & Oceanographic Equipment for Unmanned & Autonomous Surface Vessels & Underwater Vehicles Canada

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AML Oceanographic is a leading designer and manufacturer of hydrographic and oceanographic equipment for unmanned and autonomous surface vessels and underwater vehicles.

With 50 years of experience, the company supplies customers on all seven continents, with a wide-ranging after-sales support network and calibration centers around the world.

AML is a pioneer in the development of field-swappable sensors, and is the inventor of the time-of-flight sound velocity sensors that are now used widely in multibeam sonar systems. Their product portfolio offers a wide variety of easily-installable options for UUV, AUV, ROV and USV platforms.

X2Change Sensors

The X2Change family is the market’s most extensive portfolio of hydrographic and oceanographic sensors for UUVs and USVs. Compatible with AML Oceanographic’s AML-1, AML-3, and AML-6 instruments, as well as Endura Loggers, they can also be integrated into OEM and third-party equipment.

All sensors are field-swappable with their own embedded calibration, and can be easily and directly installed onto the instrument end cap.

Sound Velocity Sensor

Range: 1375–1625 m/s
Accuracy: ±0.025 m/s
Resolution: 0.001 m/s
Max Depth: 6000 m

Sound Velocity & Temperature Sensor

Range: 1375–1625 m/s, -5 to + 45 °C
Accuracy: ±0.025 m/s, 0.01 °C
Resolution: 0.001 m/s, 0.001 °C
Max Depth: 6000 m

Conductivity & Temperature Sensor

Range: 0-90 mS/cm, -5 to + 45 °C
Accuracy: ±0.01 mS/cm, 0.005 °C
Resolution: 0.001 mS/cm, 0.001 °C
Max Depth: 6000 m

High Accuracy Conductivity & Temperature Sensor

Range: 0-90 mS/cm, -5 to + 45 °C
Accuracy: ±0.003 mS/cm, 0.002 °C
Resolution: 0.001 mS/cm, 0.001 °C
Max Depth: 6000 m

Pressure Sensor

Range: 0-50 to 0-6000 dBar
Accuracy: ±0.05 % FS
Resolution: 0.02 % FS
Max Depth: 6000 m

High Accuracy Pressure Sensor

Range: 0-6000 dBar
Accuracy: ±0.01 % FS
Resolution: 0.01 % FS
Max Depth: 100 to 6000 m

Temperature Sensor

Range: -5 to + 45 °C
Accuracy: ±0.005 °C
Resolution: 0.001 °C
Max Depth: 6000 m

Dissolved Oxygen Sensor

Range: 0–425 μmol/L
Accuracy: ±2 % of reading or 2.0 μmol/L
Resolution: 0.01 μmol/L
Max Depth: 6000 m

Turbidity Sensor

Range: 0-200 NTU
Accuracy: ±2 % of reading or 0.2 NTU
Resolution: 0.01 NTU
Max Depth: 2000 m

Turbidity with Wiper Sensor

Range: 0-3000 NTU
Accuracy: ±2 % of reading or 0.2 NTU
Resolution: 0.01 NTU
Max Depth: 200 m

CDOM Sensor

Range: 0–1500 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Chlorophyll A&B Red Excitation Sensor

Range: 0–500 μg/L
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Chlorophyll A&B Blue Excitation Sensor

Range: 0–500 μg/L
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Crude Oils Sensor

Range: 0–1500 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Fluorescein Sensor

Range: 0–150 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Optical Brighteners Sensor

Range: 0–300 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Phycocyanin Sensor

Range: 0–4500 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Phycoerythrin (BGA) Sensor

Range: 0–700 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Rhodamine Sensor

Range: 0–200 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

Tryptophan Sensor

Range: 0–5000 ppb
Accuracy: Linearity 0.99 R2
Resolution: 0.01
Max Depth: 2000 m

More information: X2Change Hydrographic & Oceanographic Sensors

Hydrographic & Oceanographic Instrumentation

AML Instrumentation

Single-Sensor Probe

The AML-1 is a modular and versatile underwater data probe that can be fitted with any single sensor from the X2Change family, allowing it to be configured for a wide variety of applications.

Offering real-time data streaming via serial RS-232 or RS-485, it features a robust titanium housing that allows it to operate at depths of down to 6000 meters.

Multi-Sensor Profiler

The AML-3 is a highly versatile oceanographic instrument that can be fitted with any three sensors from the X2Change family. As some X2Change sensors are dual-parameter, this allows the AML-3 to directly measure up to four distinct parameters simultaneously.

The instrument is available in three variants – an entry-level system for real-time data streaming without battery or memory, a version with a Lithium-ion battery and onboard memory, and a premium option that offers both real-time streaming and data logging capabilities.

Multi-Parameter Sonde

The AML-6 is a multi-parameter sonde that is designed to combine CTD data with other oceanographic parameters such as Dissolved Oxygen, pH, ORP, or Fluorometric data. It can be equipped with up to six sensors from the X2Change family, and can also be fitted with UV biofouling control to ensure enhanced data quality and reduced maintenance requirements.

Endura Loggers

AML’s Endura Loggers are connector-free and wirelessly charged instruments that have been designed specifically for demanding USV applications. With effectively unlimited endurance and enhanced mechanical reliability, these advanced profilers unlock new capabilities for uncrewed and autonomous hydrographic survey platforms.

Endura Loggers are available with three or six ports for field-swappable X2Change sensors.

UV Biofouling Control

AML Oceanographic’s advanced biofouling solutions are designed to protect underwater sensors and marine equipment, utilizing ultraviolet lamps to prolong the time between required maintenance without utilizing TBT or other harmful chemicals.

Street Lamp UV is a highly efficient solution that is designed to be directly integrated with AML instrumentation, drawing just 1W of power at 12V. With a maximum depth rating of 500 meters, it ensures optimal biofouling control within a range of approximately 30 cm.

The Cabled UV system is intended for applications where all AML instrumentation sensor ports are occupied. It is available in both vertical and horizontal configurations, with minimal power draw and excellent anti-biofouling performance.

Products

Endura-6

Wirelessly-charged profiler system with six sensor ports

Endura-3

Wirelessly-charged profiler system with three sensor ports

AML-6

Multi-parameter sonde for underwater data collection

AML-3

Multi-sensor profiler for underwater data collection

AML-1

Single-sensor probe for underwater data collection

Tryptophan Sensor

Modular tryptophan measurement sensor head

Rhodamine Sensor

Modular rhodamine dye measurement sensor head

Phycoerythrin (BGA) Sensor

Modular saltwater blue-green algae detection sensor head

Phycocyanin Sensor

Modular freshwater blue-green algae detection sensor head

Optical Brighteners Sensor

Modular optical brightener measurement sensor head

Fluorescein Sensor

Modular flow path measurement sensor head

Crude Oils Sensor

Modular oil detecting sensor head

Chlorophyll A&B Blue Excitation Sensor

Modular algal abundance measuring sensor head

Chlorophyll A&B Red Excitation Sensor

Modular algal abundance measuring sensor head for high-DOM environments

CDOM Sensor

Modular dissolved organic material measuring sensor head

Turbidity Sensor with Wiper

Modular wipered turbidity measuring sensor head

Turbidity Sensor

Modular turbidity measuring sensor head

Dissolved Oxygen Sensor

Modular dissolved oxygen measuring sensor head

Temperature Sensor

Modular temperature measuring sensor head

High-Accuracy Pressure Sensor

Modular pressure measuring sensor head with higher accuracy

Pressure Sensor

Modular pressure measuring sensor head

High Accuracy Conductivity & Temperature Sensor

Modular temperature and conductivity measuring sensor head with higher accuracy

Conductivity & Temperature Sensor

Modular temperature and conductivity measuring sensor head

Sound Velocity & Temperature Sensor

Modular temperature and time-of-flight sound velocity measuring sensor head

Sound Velocity Sensor

Modular time-of-flight sound velocity measuring sensor head

Articles

Latest

Hydrographic & Oceanographic Equipment for USVs & UUVs

AML Oceanographic's product portfolio offers a wide variety of easily-installable options for UUV, AUV, ROV and USV platforms

Jun 04, 2026

Comparing CTD & Sound Velocity Profilers for Hydrographic Surveys

AML Oceanographic explains the differences between CTD and sound velocity profilers for hydrographic surveys, detailing how each method determines sound speed in seawater through either empirically derived calculations or direct time-of-flight measurement principles

Nov 18, 2024

AML Oceanographic Expands Global Calibration & Service Network to Amsterdam

AML Oceanographic's new European facility aims to reduce lead times and logistical costs for regional sensor maintenance and instrumentation repair

Oct 11, 2024

Understanding Sensor Accuracy in Marine Instrumentation

AML Oceanographic examines how sensor accuracy in marine instrumentation is defined, quantified, and evaluated through precision, trueness, statistical analysis, and calibration testing methods

Sep 20, 2024

AML Oceanographic Integrates Moving Vessel Profiler Into Fugro Uncrewed Surface Vessel

AML Oceanographic integrates its automated Moving Vessel Profiler into Fugro’s uncrewed surface vessels, enabling continuous, high-resolution water column data collection to optimize remote autonomous marine surveys

Mar 29, 2019

Regional Offices & Locations

British Columbia Canada A300-2261 Keating Cross Rd. Victoria BC, V8M 2A5 +1 250 656-0771 Contact Website

Nova Scotia Canada 112-121 Ilsley Avenue. Dartmouth NS, B3B 1S4 +1 902 593-1175 Website

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