MatreSubsea Sensors

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2MATRE PRODUCTS - The Ultimate in Reliability

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3MATRESubsea Sensors

Expro Connectors & Measurements in Norway manufactures sensors for thesubsea oil and gas industry. The manufacture of these subsea instrumentsbegan in the 1980s. Since then, Expros Matre sensors have delivered excellentperformance and the ultimate in reliability within the subsea market.

Today Expro manufacture transmitters based on the experience we have gained over the last two decades.

Our commitment is to make transmitters according to customer requirements and our long term experience.

It is not just making sensors according to a specification, we produce them with care, pride and an attention

to detail that directly stems from our many years of subsea experience. The company is located on the west

coast of Norway, between Bergen and Stavanger. We work hand in hand with Expros Tronic products

to maximise value added and simplified procurement process for our customers.

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4Wellhead ElectroMechanical Pressureand Temperature SensingAt Expro we use the very latest manufacturing techniques and processes toensure our high integrity and high reliability sensors are suitable for the harshenvironments of the oil and gas industry. In particular, the ElecTRON beamwelding technique improves reliability through:

Clean, reproducible, high integrity weld joints

Low distortion

No oxidisation

Minimal weld bead

Accuracy

Repeatability

Welding of dissimilar metals

The key to our success has been the extensive knowledge of our

workforce who are dedicated to delivering products to meet the specific

needs of our clients and the challenging environments in which they

operate.

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5Subsea Sensors Product Range

With Matre Instruments transducer electronics, a range of sensors are available.

Most interfaces and protocols used Subsea, e.g. 4-20 mA, CAN Open, RS485,

MODBUS and are available as single pressure, dual pressure and with or without

integrated single or dual temperature sensors.

Quartz Crystal Sensors are available as single pressure with integrated

temperature and differ from the rest of the sensor range as they are available with

a frequency output.

Product RangeCombined Pressure and Temperature Sensors

Dual / Single Pressure and

Dual / Single Temperature

in a single housing

Pressure Sensing

Pressure up to 1035 Bar

Best Total Error Band 0.02% FS

Temperature Sensing

Temperatures between -40C to 180C

Total Error Band 0.3% FS

Differential Pressure Measurement Sensors

Maximum Differential Pressure Range 0-30 Bar

Maximum Line Pressure to 1035 Bar

SIL Rated Pressure Transducers

SCM Hydraulic Pressure Transducers

Flow Meters including Differential

Pressure Transmitter

LVDT Choke CanBus Converters

Proximity Switches

Hydrocarbon Leak Detector

Sand Erosion Probe

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6Subsea Sensors Product Range

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7Subsea Sensors

These are Matre Instruments High End sensors and are based on DigiQuartz

Pressure Sensing Technology where the excellent performance is achieved

through the use of a precision quartz crystal resonator whose frequency of

oscillation varies with pressure induced stress. Quartz crystals are chosen

because of their remarkable repeatability, low hysteresis and excellent stability.

Introduced to the Subsea Market in 1988 it has a well proven track record for its

superior quality and reliability. Sensors that have been deployed for more than a

decade and returned to Matre Instruments for calibration checks, show no

measurable stability drift.

Quartz Crystal Sensors

Specification

Total Error Band:

0.02% FS

Pressure Ranges:

0-5000psia, 0-10000psia & 0-15000psia

Standard Temperature Ranges:

from -40C to 150C and from -40C to 180C

Extremely low drift

Excellent track record Subsea

Proven double barrier seal technology

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8Subsea Sensors

Based on a pressure sensing element where a thin-film full-bridge strain

gauge circuit is sputtered on to an all stainless-steel wetted surface

pressure diaphragm.

The sputtered metal strain gauge circuit offers superior long-term

stability and higher temperature capability than other resistor bridge

strain gauge technologies.

Sputtered Thin Film Sensors

Specification

Total Error Band:

0.05% FS (digital)

0.1% FS (analogue)

Pressure Ranges:

0-5000psia, 0-10000psia & 0-15000psia

Standard Temperature Ranges:

from -40 to 150 Celsius and from -40 to 180 Celsius

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9Subsea Sensors

The key component of these transmitters is a silicone sensor with a micro level

capacitance that is produced with micro machining technology.

These transmitters ensure highly precise measurements of differential pressure

which is then used to measure fluid flow and liquid levels.

A wide-range of models is available, all able to operate in high line pressures.

Introduced to the Subsea Market in 1998 it has a well proven track record for its

excellent quality and reliability.

Differential Pressure Sensors

Specification

Differential Pressure Range (URL):

0-0, 32 / 0-1 & 3 / 0-5 / 0-30 bar

Maximum Line Pressure: 1035 bar

Maximum Test Pressure: 1560 bar

Specifically designed for Subsea use

Fully compensated against external water depth pressures

Proven double barrier seal technology

Available with remote seals

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Expros business is well flow technologies and specialised services, and our mission is to:

measure

improve

control and

process

flow from high-value oil & gas wells.

Our expertise is marketed through five segments:Well Testing & Commissioning, Production Systems, Wireline Intervention, Connectors & Measurementsand Deepwater Intervention.

Sept 2011

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Expro Connectors & MeasurementsMATRE Instruments AS, Innvr,N-5420 Rubbestadneset, Norwayemail: matreinstruments@exprogroup.com Tel: +47 53 42 86 00 Fax: +47 53 42 86 01

Visit exprogroup.com

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