2. Applications in t
Merchant marine
Specifically designed to meet the stringent requirements for Classification Societies,
where robustness and reliability is of vital importance, Mobrey instrumentation is the ideal
choice for the wide range of diverse and critical applications encountered in the aggressive
environment of the marine engineer.
Container ships
Oil and ballast tanks Interface sensors for oil/water detection
95% and 98% High and high high level Dual Hi-sens fail-safe high level sensor
control
Bilge level and alarms Electromechanical float level switches
Flood detection 003 integral ultrasonic gap level sensors
Water tanks, Lube oil tanks Hydrostatic contents gauges and transmitters
HFO fuel oil blending/heating control Viscosity transmitters
Cargo ships
Oil & ballast tanks Electromechanical float switches
High and high high level control Hi-sens and dual Hi-sens high level sensor
Detection of oil in boiler condensate 433/402 interface sensors
Cargo and ballast level measurement Hydrostatic electronic level transmitter
Water ingress detection Squing vibrating fork level switch
HFO fuel oil blending/heating control Viscosity transmitters
Gas carriers
Control of LPG and liquid oxygen Ultrasonic cryogenic gap sensors
Passenger ships
High and high high level control Dual Hi-sens fail-safe high level sensor
General tankage and ballast 9700M hydrostatic level transmitter
Mersey series hydrostatic contents gauges
Electromechanical float level switches
Ultrasonic level transmitter
Loading gantry water ingress Squing vibrating level switches
Lavatory systems control 003 integral ultrasonic gap level sensors
Hovercraft/Hydrofoils
Level measurement of fuel tanks, Ultrasonic fail-safe point level sensors
ballast tanks
Level measurement water height from MSP900 non-contact ultrasonic level
loading ramps meter
3. the marine industry
Military marine
Designed to meet and withstand the testing shock, vibration and EMC requirements for
approval within the defence industry, Mobrey instrumentation is the ideal solution for
the wide range of diverse and critical applications encountered within a military marine
environment.
Frigates
Level measurement: Fuel tanks, 9700M hydrostatic level transmitters
Lube oil tanks, Avcat tanks Electromechanical float switches
Chilled water systems Pressure switches
Bilge level Hydrostatic contents gauges and transmitters
Flood detection 003 integral ultrasonic gap level sensors
Engine oil sumps Ultrasonic point level sensors
Submarines
Level measurement:
Fuel tanks, lube oil tanks, 8900 level sensors and transmitters
fresh water tanks, SW ballast tanks,
bilge level
Flood detection 003 integral ultrasonic gap level sensors
Engine oil sumps 302 ultrasonic gap sensors
Water ingress detection in torpedo tubes Ultrasonic gap sensors
NSRP Primary and secondary cooling 3500 and 4500 series pressure transmitters
systems
Aircraft carriers
Fresh water tanks, SW ballast tanks 9700M hydrostatic electronic level
Chilled water systems transmitters
Flood detection Electromechanical float level switches
Engine oil sumps 003 integral ultrasonic gap level sensors
Minesweepers
Level measurement in water and oil tanks 9700M hydrostatic electronic level
transmitters
Overfilling prevention 003 integral ultrasonic gap level sensors
4. Instrumentation for the measurement of level, pressure,
viscosity and flow in the marine industry
Electronic liquid level
switching
A wide range of standard or
custom designed ultrasonic
sensors and control units is
available, for use with a variety
of liquids including cryogenic,
oil cargo and ballast.
• Electrosensor to allow
interface with the PMS
(Platform management
system) 8/16mA switching
• Electropulse for ultimate
fail safety in critical
applications
• Reliable liquid level,
Electromechanical float contents or flow
switches measurement and control
Well known throughout the with little or no
industry for their longevity, maintenance required
reliability and quality, Mobrey • Flood detection, single high
level switches are used for or low levels
high and low level alarms, • Dual high, high/high level
pump protection and water
condensate detection.
• Simple, rugged and reliable Oil in water detection
• Side or top mounting • Simple installation
• Direct or chamber mounting • Unaffected by greasing,
• Electrical or pneumatic conductivity or liquid
switching colour/opacity
• Weatherproof to IP66 • No moving parts
• Submersible IP68 models • Hazardous area certified
available
• Hazardous area models
EEx D and EEx ia
Viscosity transmitters
Specialists in the manufacture
of process viscosity
measurement transmitters and
analysers, including complete
analyser systems.
• HFO for slow and medium
speed diesels
• Tested and approved for
marine use in enclosed
machinery space
• Field proven
• Dynamic and Kinematic
viscosity
• No moving parts, minimum
maintenance
5. Instrumentation for the measurement of level, pressure,
viscosity and flow in the marine industry
Vibrating fork level switch - Ultrasonic gap switch 003
Squing 2 Self contained liquid level
• Threaded or flange mounting alarm with no moving parts for
• Extended length to 3m mounting in any position.
available • One piece moulded PPS body
• Stainless steel wetside with • 24V dc powered with relay
ECTFE/PFA coating option or solid state output from
for corrosive applications encapsulated electronics
• 24-264V dc or ac powered • 1quot; or ¾quot; BSPT threaded
with relay or solid state output mounting
• Intrinsically safe option EEx ia • Pressure and temperature to
• Explosion proof options EEx d 20b and 105°C
• Factory fitted with 3m
connecting cable
• Option available with
Micro-change connector
Ultrasonic level transmitters
and systems
MSP400 and MSP900
• 2 Wire 24V dc loop powered
transmitter up to 12m range
• Reference accuracy +/- 3mm
• Resolution +/- 1.6mm
• Contents measurement
displayed may be in any
units, easily programmed
by the customer
• 4-20mA output
9000M & 9700M series pressure • Control systems with 5 relay
level transmitters outputs:
The 9700 series pressure/level Relays and current are field
transmitters are ideal for programmable
arduous shipboard duties and • Certified for use in zone 0
environmentally aggressive hazardous areas
applications, they are unaffected • HART digital communications
by difficult ullage conditions and
provide stable readings under
adverse conditions.
• Flush mount ceramic sensor
in tough 316SS or aluminium
bronze body
• 2 Wire 24V dc loop powered
• 4-20mA output proportional
to level and contents
• Option of remote non
interactive zero and span
• Wide range of mounting
options
• Low cost installation
• Certified for use in zone 0
hazardous areas
• Submersible models
6. Marine approvals
Mobrey products are approved by a number of approval authorities worldwide including: Germanischer Lloyd,
Bureau Veritas, PTB, American Bureau of Shipping, US Coastguard, Lloyds, Det Norske Veritas, Korean Register
and ATEX.
Many countries now enforce the requirement for high level fail safe equipment on board ship following IMO
regulations; Mobrey marine instrumentation is designed to meet these regulations.
The Emerson logo is a trade mark and service mark of Emerson Electric Co.
All other marks are the property of their respective owners
We reserve the right to modify or improve the designs or specifications of product and services at any time without notice.
Emerson Process Management
Mobrey Measurement Division
158 Edinburgh Avenue, Slough
Berks SL1 4UE UK
Tel: +44 (0)1753 756600
Fax: +44 (0)1753 823589
Email: Mobrey.Sales@EmersonProcess.com
www.mobrey.com
Literature reference number: IP609 September 2008
