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Ballast Tank Gas Detection & Void Space Gas Detection System
MM5001® is a major advancement in marine gas detector technology for monitoring ballast tank gas detection and void space gas detection onboard ships. The system comprises of a central control cabinet with a touch screen panel to display information and alarm status. Within the cabinet is the main PLC controller, analysing equipment plus a pre-sampling circuit as standard. A calibration free, high performance infrared sensor provides the ultimate in reliable flammable gas analysis.
The PLC is extremely reliable with an MTBF of 20 years plus. The gas analyser does not require re-calibration and the pre-purge significantly reduces sampling cycle times.
MM5001® is fully compliant with IACS UR F43, Exxon MOBIL MESC 2002 - Term charter, Chapter 8 & EMSA regulations for double hulled tankers.
- CALIBRATION FREE, HIGH PERFORMANCE IR SENSORS
- FULLY FLEXIBLE PLC CONTROLLER
- PROGRAMMABLE OPERATION DURING BALLASTING
- INTEGRATED SYSTEM FOR BOTH GAS SAMPLING & FIXED POINT SENSORS
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Vapour Emission Control Systems (VECS)
Inert Gas Oxygen & Pressure Monitoring System
VECSAFE® monitors inert gas oxygen and pressure levels in the Vapour Emission Control Systems (VECS). Each vapour line is monitored during loading operations for any over or under pressurisation or an increase in oxygen levels approaching 8% volume in compliance with USCG and IMO legislation.
The system comprises of a deck-mounted enclosure containing an intrinsically safe oxygen sensor and pressure sensor with associated sample pipe work, selector switches and signal communications.
The control and alarm panel is normally mounted in the cargo control room (CCR) and provides an alphanumeric display of the oxygen level and pressure reading at each point.
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WDG 210 from Ametek
The WDG 210/Insitu is a cost-effective, rugged and reliable flue gas analyzer for net oxygen. Designed for continuous use with a minimum of attention, the unit is field serviceable with easy access to all components.
Facts
- continuous in-line measurement of Oxygen
- for marine inert gas generators, washed flue gas, auxiliary boilers
- quick response for combustion control, high Oxygen level alarm
- interchangeable measuring head
- low or no maintenance, no frequent calibrations
- stand-alone or remotely controlled Oxygen monitor
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OXYTRON® Oxygen monitor
High Performance Oxygen specific Monitor
Zirconium Dioxide sensor detects oxygen accurately across a wide dynamic range.
Meets regulatory requirements
One of the IMO recommended and US EPA and EU accepted monitoring methods
Easy Operation
Non trained personnel can operate.
Low Cost Solution
Minimal operating costs and long sensor life.
Easy calibration
SmartCard system automatically completes calibration.
Software Capabilities
Flash memory allows easy upload of firmware that is downloadable from our website.
Easy to read Results display
Oxygen concentration and sensor temperature readout on backlit LCD display.
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Independent High Level/Overfill Alarm Monitoring System
CENTURION® is a high level & overfill alarm system designed in compliance with USCG & IMO requirements for tank ships.
Electrically independent alarm systems for both 95% & 98% tank levels are housed in the CENTURION® controller in the cargo control room.
Level detection is carried out by MM500® stainless steel float switches which are offered in either dual or single (overfill) versions. Optionally we offer the MM502® ultra sonic switch, which has no moving parts and is also available in dual or single versions.
Local audio/ visual alarm indication is provided for each tank together with relay contacts for remote alarm annunciation.
- STAINLESS STEEL/ WEATHERPROOF CONSTRUCTION
- INTRINSICALLY SAFE
- COMPLIANCE WITH USCG, IMO & GENERAL CLASS REQUIREMENTS
- FULLY CHECKABLE AT CARGO TANK - AT SENSOR HEAD
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The hydrostatic level sensors AHD-S 200 and AHD-S 200H were developed for navigation and offshore applications to monitor levels in tanks and reservoirs and gauge the tide.
The fully ceramic measuring cells are especially suitable for the measurement of slight differences in tide levels. The housing consists either of 1.4571 high-grade steel or of CuNiFe, making it suitable for the measurement of all liquid densities.
The sensors fulfill the requirements of Germanischer Lloyd and DNV, on request also the ATEX criteria.
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Due to its compact and durable design, the pressure transducer AHD-S 230 is capable of dealing with all kinds of measuring tasks, such as applications in shipbuilding as well as for use in offshore facilities.
All measuring parts are completely made of Cr-Ni steel. The housing complies with IP65 at minimum. The pressure transducer runs on variable DC voltage and supplies an output signal of 4 - 20 mA.
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Cargo Tank Pressure Monitoring
SENTRY® is a cargo tank pressure monitoring system designed in compliance with IMO Regulation 59, SOLAS Regulation II 6.3.2, providing an early warning of under/over pressurisation in cargo tanks.
Intrinsically safe absolute pressure transducers continually monitor tank pressure and offer excellent durability and long-term stability.
The extremely compact control and alarm system provides indication of the measured pressure in each tank, and generates audio and visual alarms.
- PRE-CALIBRATED SENSORS
- INTRINSICALLY SAFE
- COST EFFECTIVE SOLUTION
- CE APPROVED
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A New Generation In Cargo Tank Gauging
Radar Tank Gauging
MarRAD® is a unique and fully integrated radar tank gauging system for the monitoring of temperature, pressure, high level and overfill, and is fully compatible with loading systems.
The intrinsically safe MarRAD® offers a user friendly PC controlled display, with graphical displays showing a clear indication of all tank parameters.
Cargo Pressure & Temperature Gauging
At the heart of the system is the Deck Mount Module (DMM) which contains the highly accurate, non contact radar head, which is designed to monitor the full range of liquid products carried by modern tankers. Additional to this, the DMM has the facility to integrate tank pressure and multi-point temperature sensors for a total cargo-monitoring package.
Unique 'smart barriers' transmit the data over a single (or dual redundant) communication link to the system display and processing unit located in the control room. Twin screen options allow monitoring of both cargo and ballast tanks simultaneously, offering the ultimate convenience.
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Advantages:
No moving parts
No maintenance
No calibration after installation
No adverse effects from tank cleaning machines
No adverse effects from cargo residue
Applications:
Chemical Tankers
Product Tankers
Oil Tankers
Floating Storage Facilities
Control Unit TCU:
Dimensions: 240 x 125 x 50 (LxWxH)mm
Mounting on rail DIN 35
Power supply #1 (DC/DC): 24 VDC (18 to 31V)
Power supply #2 (insulated): 24VDC (22.5 to 27 V)
Power consumption: max. 90W
Power supply redundancy, automatic switchover
included (24 VDC) (battery back-up is optional)
Power supply and communication to I/O modules and TDU
Each TCU accomodates 16 x AN-ZB485
Communication to 3rd party: 1xRS485, 2xRS232
Dedicated outputs for flash lights and siren
Alarm relay output and silence input.
Visual and audible alarms in accordance with IMO %u201CCode on Alarms and Indicators 1995%u201D
Display Unit TDU :
Touch screen 5,7%u201D colour TFT 400 cd/sqm
Dimensions: 200 x 150 x 45 (WxHxD)mm
Panel / console mounting
Cut-out: 150 x 130 (WxH)mm
Power supply from TCU
Communication with TCU: RS232
Colour: Blue NCS 3070R90B
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Tank Level Alarm
The API TLA™ signalling system (tank level alarm) is designed specifically for operations with any type of liquid and liquefied gas. Control levels are set at the upper level (95%) and at emergency level (98%) of the tanks. If these control levels are reached during loading, the API TLA™ sets off an alarm together with an indication of the level reached.
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The intrinsically safe LOG3840 is a local indicator designed for deck
installation. The LOG3840 calculates and displays locally on the LCD
screen the liquid level in the cargo tank expressed in innage or ullage, the
liquid spot or average temperature in °C or °F and the inert gas pressure in
mbar measured by transmitters.
It is powered by the TA3840S safety unit and communicates on the
same bus than the radar. It operates in spy mode, reading and displaying
data picked up on the communication line between the radar and the
TA3840S safety unit.
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Surveyor Automatic digital microwave oil-water interface detection system with tank level and temperature monitoringn
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The CT801LB/S-B transmitter is designed to be mounted on the top of
the tank. The CT801LB/S-B allows a remote level measurement using a
4-20 mA analog output, while keeping the principle of bubbling.
The lack of (air or neutral gas) supply pressure is not a problem for the
CT801LB/S-B. An automatic valve is activated as soon as the supply
pressure falls below 1 bar. When this valve is closed, the liquid cannot
return back to the bubbling line up to the transmitter.
For pressurized tanks, the level is deduced from the differential
pressure measurement between the bubbling probe and the pressure
of the inert gas above the liquid. The air or neutral gas supply is
protected by means of a filter.
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Tank Gauging Device
The API TGD (Tank Gauging Device) is a multi-functional device, which measures a cargo tank’s level and pressure as well as temperature and density of the cargo. It is based on patented principle of Guided Low Frequency GLF™ wave propagation, which allows equal precise accuracy of measurement along tank height in any shape of tank. The tank gauging device has been developed to work with the highest level of accuracy in any type of liquid, oil products, liquefied gases, acids, solvents and other chemicals preventing any waste without influence of foam from surface.
The data from the API TGD is transferred to the control room through just two cables, thus reducing the cost of lengthy cabling throughout the tanker. The tank gauging device has four integrated measuring channels:
- Low frequency non contact level gauge with accuracy of 2 mm
- Multiple thermo sensors for temperature profile measurement in the tank
- Density sensors
- Inert Gas Pressure sensor
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The GL-3C is a high quality level switch with a capacitive sensing element. The sensor is applicable in most liquids with low or medium conductivity, including all oil products and most relevant chemicals. The switch is intended for controlling liquid levels in tanks; flow/no flow conditions in pipes etc.
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The Lidec level detector type L92B, specially designed for maritime
applications, offers an exclusive solution for detecting the level of
liquids.
The Lidec L92B is based on the propagation of a surface wave. This
design does not include any moving part. The reliability of the device is
ensured by a built-in function which monitors electronic or transducer
failures.
Lidec L92B is designed to be installed on the deck. Also, it requires no
calibration as not influenced by any type of fluid.
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The Lidec L20D is based on the propagation of a surface wave. This
design does not include any moving part. The reliability of the device is
ensured by a built-in function which monitors electronic or transducer
failures.
The Lidec L20D designed to be installed horizontally (or vertically), can
be used for all types of liquids. Also, it requires no calibration as not
influenced by type of fluid.
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Liquid Level Switch
The API UTS™ Liquid Level Switch works on the principle of distributed acoustic wave in a metal rod.
The API UTS™ is installed outside the tank with only the metal rod inside the tank. Acoustic waves in the metal rod created by piezo-electric ensure transmission of signals. When the liquid in the tank reaches the probe on the rod, the emission of sound waves is muffled. This change is picked up by the piezo-electric and signals are transmitted to the corresponding alarms.
Patented in EU, USA and Japan.
The API UTS™ Liquid Level Switch is a series of sensors that can make up part of various control systems and is designed in more than 300 modifications.
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Surveyor%u2122 Cargo Level is a complete automatic level gauging and cargo monitoring system for tankers. The system is one of the most comprehensive and accurate systems available for this specific application. Together with advanced signal handling and computer technology, the functions included are as follows:
Level gauging in cargo, slop, ballast, and fuel oil tanks
Density measurement in cargo, slop, and fuel oil tanks (only with pressure sensors)
Vapour (inert gas) pressure in cargo and slop tanks
Draft measurement
Loading computer for on/offline stability and stress with load planning
Print out of cargo and transfer reports
Interface for communications with other systems available
High level and overfill
Pump and valve control system
As all parts and functions are based on the same sensor technology, the system is very cost effective and operationally efficient for the users. The modular and compact design makes the Surveyor%u2122 Cargo Level an attractive alter- native for new-building or retrofit installations. Separate ballast gauging systems or complete cargo tank systems available for installations on board any type of vessel. Surveyor%u2122 Cargo Level has been successfully installed on board chemical and oil tankers as well as product and container vessels and recognized as a cost- effective, reliable and user-friendly system.
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The PL3700 series is a ceramic family transmitter withstanding attack from most petroleum and chemical products. The 316L stainless steel remote electronic box is especially designed for deck installation and includes the amplifier with zero and span adjustment.
The PL3700 is linearised. The pressure transducer is sealed inside a stainless steel 316 L housing which ensures an IP68 rating.
Flexible conduits are supplied in standard for watertight connections on deck.
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Advantages:
Compact units and excellent integration possibilities
Replaces need for a second P/V valve at lower cost
Redundancy & low power consumption
Absolute pressure senora, no venting, no leaks
No maintenance sensors and electronics
Cost effective installation
Long time stability
Easy to expand for monitoring of more points
Ready to integrate with Cargo/Ballast/
Service tank gauging
Type approved by all major classification societies
Pressure Sensor:
Accuracy (level): +/-0,1% of sensor range
Environment temp: -25 to 85ºC (-10 to 185ºF)
Media temperature: -25 - 130ºC (-10 - 280ºF)
Protection, in tank: IP 68
Protection, on deck: IP 66
Media: Sea water, hydrocarbons, chemicals, acids
Material: Inconel 625 or Titanium
Electrical interface: 4-20 mA
Electrical connection: 1 or 2 pair cable (0.5-1.25 mm²)
Intrinsic safe: Eex ia IIC T4
Overpressure: 18 bar
Burst pressure (
Application for:
Chemical Tankers
Tankers for oil
Floating Storage Facilities
Functions:
Vapour Pressure Monitoring
Individual High and Low Alarms
System Malfunction Alarm
Alarm Outputs for external alarms
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The temperature and pressure transmitter T901-Px1A is especially
designed to meet liquid cargo monitoring requirements. It is designed
to require only a single installation to obtain two types of
measurements (temperature and pressure).
Its design enables easy maintenance especially thanks to the modularity
of each item. The absolute-type pressure cell avoids all damage due to
the saline environment. The T901-Px1A can be connected by a flexible
hose making it insensitive to heavy seas.
The temperature probes (from one to three) give the temperature of the
liquid with high accuracy enabling the computer to directly correct the
density parameters.
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The System is applied for continuous tank content measuring of ballast, cargo and fuel oil tanks. Additionally the ships draught and temperature of fuel and cargo tanks can be measured. Modern microcomputer technology forms the base of the decentralised system structure which ensures precise tank content and draught readings.
Reliability
All key components as there are sensors and electronics are our own products. The development, design and manufacturing are carried out under controlled conditions by our quality system.
Flexibility
Modern microcomputer technology enables quick and flexible solutions of customers requirements. Furthermore the system structure allows communication with ship monitoring and control systems. Different programmable alarm output contacts for remote indication can be realised
Easy Handling
The illuminated four line display and the functional keyboard of the TT MIP realise easy manual handling. All indication for tank and draught readings are automatically corrected by trim and density. The parameters for sensors offset, span and installation height as well as for alarm value limits and density correction can be set via the integrated keyboard.
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Non-contact Microwave Radar
One the few marine microwave ullage gauges featuring power and 4-20 mA signal on a two core cable, thus providing for simple, fast and cost effective installation for both new-buildings and retrofit projects. Because of its unique design and technology there is no need for large and tall adapter trunks in order to fit radar to deck.
System provides for automatic trim and list correction and allows exported level either at flotation center of the tank, at the sensor location or at the sounding pipe.
Radar Applications
Crude Oil Tanks
FPSO Tanks
Chemical / Products Cargo Tanks
LNG Tanks
Deck / Slop Tanks
Solids Cargo Tanks
Ballast, Fuel and Service Tanks
Advantages
High accuracy in all kinds of cargo.
Compact design and easy installation.
Superior technology allowing fitting close to tank side and on smaller tanks as well.
For Chemical and Oil/Products tank installations a special PTFE flange seal provides a non stick surface that eliminates cargo build-up on the radar antenna.
Measuring in solid cargoes that previously could not be done accurately with radar.
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The 8" EM540 radar is especially designed to be integrated within a
dedicated cargo monitoring system for inland vessels. It may be used
for other simple tankers.
The EM540 radar is based on the use of smart sensors including
microprocessors performing signal processing. In addition to transmitting
tank level, pressure, and temperature data to the central monitoring system,
it offers such capabilities as self-diagnostics, self-monitoring and remote
configuring.
The use of an intrinsically safe two-way digital signal transmission,
between the radar and the central monitoring system, provides for an easy
integration of the EM540 Radar into any type of control system.
The EM540 radar is compliant with certification rules and regulations
issued by international classification societies.
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The EM940 Radar is particularly suited for tanker sophisticated applications
such as chemicals, products, bitumen... The EM940 Radar is associated
with two specific IS racks: the TA3840C dedicated to "communication" and
the TA3840S for power supply.
The radar measurement head features a very compact design thanks to a
wide band printed circuit and a planar antenna. The use of an intrinsically
safe digital signal transmission between the radar and the central
monitoring system provides for an easy integration of the EM940 Radar
into any type of control system.
The EM940 radar is compliant with certification rules and regulations
issued by international classification societies.
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Eefting Engineering designs and delivers tank sounding systems for water- and oil- tanks according to the air-bubble principle. The systems are of a rugged design, and use a minimum of compressed air.
They are very cost effective.
Tank read outs by means of precision pressure indicators.
Connections can be made for electronic signals for central monitoring systems.
Any required configuration is possible.
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electronic pressure transducers type G1, ceramic sensor cell, delivered ready calibrated to the pressure height, calculated from tank height minus tank offset, multiplied with given density of the tank medium. Adaptation to changing specific weight and/or tank offset are not possible when once defined.
-Exactitude: better 0,2 % FR, at least
- Overpressure: at least 4 bar overpressure safe, Temperature range: valve body 25 ... + 85 °C, membrane --40 ... 125 °C
-Materials: membrane AL2 O3, body stainless steel 1.4305
- Connections: dry installation flange DN 25, PN16 submerged installation guided inside supporting pipe.
- Electric connection: two-wire-system, supply 24 V DC, 11- 32V
- Output: analogue 4 - 20 mA
- Protection degree: IP68 for dry and submerged installation
-Recommendation: submerged installed sensors should be accessible or removable without entering into the tank.
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The system consists of Gauge Heads, ready assembled with air-throttle valve, non return valve, and electronic pressure transmitter IP 68. The gauge head to be mounted to a yard supplied 1 measuring pipe, which is guided into the corresponding tank to a level 3 cm above tank bottom. The Gauge Head is provided with a 12 mm cutting ring connection for connection to a common working-air circuit with supply-air pressure reduced to 3 to 3,5 bar. By the throttle valve the air bubble flow is reduced to max. abt. 30 ltr./h to the tank or draft measuring point. The non-return valve assembled with the Gauge Head secures the air-circuit and the pressure transmitter against tank fluid flowing back into the pneumatic circuit. The signal pick-off is rendered by an electronic pressure transducer type G1-S with ceramic sensor cell with high purity aluminium oxid membrane, providing analog signals 4 - 20 mA corresponding to the air-overpressure in the measuring pipe. Signal generation: capacitive sensor cell with full range individual temperature compensation stored on cell, sensor cell and amplifier in one common housing, zerosetting without influence on span-setting. Tuning: to straight value in excess of max. obtained pressure, allowing easy installation and adaptation to individual tank at indicating instrument.
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