KROHNE Marine offers measuring solutions for the global shipping industry

KROHNE Marine knows what it takes to deliver high-quality products to demanding ship operators and yards anywhere in the world.

Tank Monitoring Systems

Complete solution for tank monitoring system

CARGOMASTER® Signal Control Unit

The Signal Control Unit (SCU) is handling all sensor signals and communication to other systems and the CARGOMASTER® Computer Unit.
The cabinet is normally placed in Cargo Control Room (CCR) or adjacent room for easy cabling and access. The SCU contains terminal blocks for deck cabling, interface modules and zener barriers for intrinsic safety.

CARGOMASTER® Computer Unit

The CARGOMASTER® Computer Unit (CCU) is a marine type approved (IACS approved) Microsoft Windows computer. The CARGOMASTER® monitoring and alarm software is an easy-to-use and powerful tool to obtain a full picture of tank contents and liquid cargo operations.

Uninterrupted Power Supply

The Uninterrupted Power Supply (UPS) secures that the system will run for at least 30 minutes after a complete power loss in the ship.

Tank Sensors

In cargo tanks, various sensors are installed to measure relevant physical values:

Cargo level radars for measuring ullage
Pressure sensors for measuring tank pressure / inert gas pressure
Temperature sensors for measuring tank temperature
Other sensors (e.g. sensors for ballast, draught, FW, fuel and lines) can be integrated to obtain complete monitoring.

Complete solution for tank monitoring software

The CARGOMASTER® system provides measurement of all relevant data

• Ullage/level
• Volume (based on volume tables)
• Loading/discharging rate
• Weight and cargo density
• Inert gas pressure
• Tank temperature
• Cargo manifold pressure

Alarms may be configured for all values, securing the highest degree of safety in operations.

Maintenance friendly

Based on MS Windows, which is well known to people onboard, potential service and maintenance can normally be performed by crew. With experts on line, a problem may be corrected quickly and easily, saving time and money. The CARGOMASTER® software has been approved and is certified for onboard use by all major classification societies.


The CARGOMASTER® system can be set up in multiple configurations for full redundancy and distribution of information. Doubling of computers in CCR will also give a better overview of operations.

Flexible and easy-to-use software

With selectable screen setup, the operator may choose to show only the tanks of interest (manually or automatically), leaving unwanted information in the background. Should something unexpected happen, automatic warnings will give notice to the operator and consequently alarms will occur. With extensive functions for reporting, you can make printouts covering your needs.


The CARGOMASTER® system is normally interfaced to several other systems, such as ship’s automation system, vessel management system and loading calculator. Also, sub systems may be integrated to provide full overview to the operator.

EcoMATE® – Gain control of your fuel consumption

What can the EcoMATE® system do for you?

An EcoMATE® system can be set up for monitoring of fuel consumption and/or bunkering onboard ships. Based on our robust and accurate flowmeters we can offer:

Bunkering verification

Monitoring and reporting of bunker quantities received, measured in loading line

Fuel consumption monitoring

Monitoring and reporting of fuel consumption measured in the supply (and return) line to main engine and other consumers onboard

Setup example

A basic setup will consist of one or several flowmeters, mounted inline with the fuel supply line or bunkering line. KROHNE offers superior straight and bent tube design mass flowmeters in all sizes. The EcoMATE® software will take care of data acquisition, logging, calculations, monitoring and reporting.

Read more about KROHNE MARINE’s EcoMATE® solutions

Bunkering verification

Fuel oil costs represent the biggest share of a vessel’s total operating cost.

To be able to verify the amount of fuel oil delivered during a bunkering operation, you need accurate and reliable measurements. The EcoMATE® system measures the flow in your bunkering line.

Tailored bunker reports verify the quantity and quality making sure you are receiving every drop of your valuable ordered fuel.

Coriolis mass flowmeters

The function of our mass flowmeters is based on the Coriolis principle.

They allow for a direct measurement of mass flow, density temperature of liquids. Calculation of volumetric flow and mass or volume concentration is made with a single device.

The OPTIMASS picks up the flow quickly and accurately even with quick changes in the medium, such as temperature shifts
or density jumps.

Fuel consumption monitoring

The EcoMATE® system monitors and stores detailed information about fuel usage and generates reports that allow you to see the real detailed picture.

By benchmarking consumption between ships, optimizing will be on everybody’s agenda.

Benchmarking based on emissions may also be part of the future for charterers choosing shipping companies. The EcoMATE® is designed to fulfill coming requirements from IMO or other authorities.

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