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Product Data Sheet25.09.2017

Roxar PDS Pig Detection System The Roxar PDS is a non-intrusive, bi-directional unit that detects the high performance acoustic emissions generated by all types of PIGs as they move through the pipe. The detector has no moving parts or active emission sources.

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Roxar Pig Detector (PDS)Roxar PDS is a valuable instrument for pipeline integrity applications. They allow you to do the following:

Enable control over the travel of the PIG through the PIG loop.

Generate information if the PIG successfully passed problem areas.

Enable operators to gain knowledge of the large obstacles within the PIG loop.

The Roxar PDS is an acoustic type device which has a number of benefits:

Any type of PIG can be detected in both directions.

It generates accurate timings at which a PIG passes a given point.

There are no mechanical moving parts resulting in low maintenance.

It provides indications on the amount of pipeline debris pushed away by a PIG.

It is a compact and low weight device.

Non-intrusive design benefits include:

-- No wetted parts

-- No pipe pressure drop

-- Easy to install (no tappings or welding required)

-- No shutdown requires for installation

It is easy to retrofit for existing installations with no need for modifications to the piping or PIG.

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Building blocks behind the Roxar PDSRoxar PDS design consists of several parts:

A detector consisting of a transducer and housing clamped on to the pipe.

The basic safe area electronics consisting of a Calculation & Interface Unit (CIU) and a safety barrier.

Service software.

Roxar PDS working principleWhen a PIG travels through the pipe, the friction between the PIG and the pipe generates a characteristic noise. This noise contains information that can be interpreted to gain more knowledge on the situation inside the pipe. By designing the Roxar PDS around an acoustic emission transducer, this noise is detected and can be transformed into valuable information.

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PIGS, in general, generate sufficient noise to allow detection at velocities at a minimum 0.05 m/s depending on PIG material. Noise within the ultrasonic frequency band of the sensor will be largely dominated by that induced by the passing PIGs. Contributions from other external sources are negligible, which again minimizes the risk for spurious and false readings.

The Calculation and Interface Unit (CIU) receives a digitized noise signal from the detector once every second.

When a PIG is approaching the detector, the noise generated by the PIG rises above the Average Noise Level (ANL) and when increasing above a defined limit, the CIU gives a “PIG Approach” signal.

When the PIG has passed the detector, the noise level will drop back to normal level. When the level drops off below a defined limit, the CIU generates a “PIG Passed” signal.

The defined limits can be set to suit the typical noise level for any type of PIG, as shown in the example illustration below.

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Technical specifications

Roxar PIG detectorThe Roxar PIG detector is mounted in a straight pipeline section, normally after the PIG launcher and before the PIG receiver. Excessive levels of unwanted noise may in the worst case scenario compromise the measurement principle. Care should be taken to avoid installation near valves, or close to the PIG receiver/launcher.

Installation considerations

Roxar PDS SpecificationsDetector Approvals ATEX, IECEx, CSA, Inmetro and EAC

Uncertainty .Up to +/- 2 sec. depending on flow regimes and calibration level

Repeatability The sensors have repeatability better than 1%, meaning that the sensor signal will read the same values with less than 1% deviation for fixed noise reference signals generated by a calibrated noise generator. The reference signals range from zero to maximum sensor reading of 2 mill (100nV).

Required PIG velocity Minimum 0.05 m/s depending on PIG material (Steel PIG: minimum 0.05 m/s / Polymer PIG: > 0.5 m/s)

Data storage Up to 90 days based on 10 s averaging interval

Detector / monitor dimensions & weight

88 mm (OD) x 100 mm and 3.0 kg

Detector ingress protection IP66-67

Calculation Interface Unit (CIU) dimensions & weight

23 mm + 6 mm x 99 mm x 113 mm (WxLxH) and 0.2 kg

Safety barrier dimensions 12.6 mm x 105 mm x 90 mm (WxLxH)

Electrical specifications Detector

24 VDC (powered through CIU)

Calculation Interface Unit (CIU) supply voltage

24 VDC

System Power Consumption 1.2 to 2.5W (depends on which barrier is used)

Ambient Temperature .-40 °C to 80 °C

Pipe Surface Temperature Standard Temperature (-40 °C to +115 °C) / High Temperature (-40 °C to +290 °C)

Installation Detector / monitor: Fixed on pipe exterior (OD from 2” to 48”) in Ex ia / Zone 0, 1,2 CIU or Safety Barrier : DIN-rail mountable in Safe area or optional in field enclosure.

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Model code numbering systemModel Product DescriptionPDS01 Roxar Pig detector- AcousticCode Functional PropertiesST Standard temperature version (-40 to +115 °C)HT High temperature version (-40 to +290 °C)Code Pipe Size012 Mounting fixtures from 2" to 12" pipe size024 Mounting fixtures from 12" to 24" pipe size036 Mounting fixtures from 24" to 36" pipe size048 Mounting fixtures from 36" to 48" pipe sizeCode Main Material (Sensor Housing)A Stainless SteelCode Detector ApprovalsA2 ATEX Intrinsically SafeA3 IECEx Intrinsically SafeA4 CSA Intrinsically SafeA5 Inmetro Intrinsically SafeA6 EAC Intrinsically SafeCode Field Cable GlandG0 No Gland (Client provided)M2 Metric Brass Hawke 501/453/

Universal Ex deM3 Metric Nickel plated brass Hawke 501/453/

Universal Ex deM4 Metric Stainless steel Hawke 501/453/

Universal Ex deN2 NPT Brass Hawke 501/453/

Universal Ex deN4 NPT Stainless steel Hawke 501/453/

Universal Ex deX97 Other glandCode Field Cable Size Range0 1 Not applicable1 2 5,5-12mm OD / 3,5-8,1 ID2 2 9,5-16mm OD / 6,5-11,4mm ID (Selection for Roxar Heavy

Duty BFOU Field Cable)3 2 12,5-20,5mm OD / 8,4-14,3mm ID4 2 16,9-26mm OD / 11,1-19,7mm IDCode Communication Interface0B Modbus RTUOC Analogue 4-20 mAOD Voltage Free ContactCode Supply Voltage1 24VDC23 100-240 VAC, 50/60HzCode Barrier00N Client Provided Barrier02A8 Zener barrier (IS) for Safe Area Installation 02B8 Galvanic isolator barrier (Non ISE) for Safe Area Installation03A3 Zener barrier (IS) for Ex d Enclosure

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03B3 Galvanic isolator barrier (Non ISE) for Ex d EnclosureCode Field Reset Box0000 No Field Reset Box / Not applicableFRB14 Field Reset Box Ex ia for Roxar Pig Detector Stainless steel / ATEXFRB24 Field Reset Box Ex de for Roxar Pig Detector Stainless steel / ATEX IECEx

Inmetro EAC09097 Other Field Reset Box and/or CertificationCode Enclosure for Electronics in Hazardous AreaZ0 No enclosureA97 Ex d Enclosure single channel Stainless steelCode Tag PlatesZZ No tag platesTG Standard tag platesXX7 Project specific tag platesCode Product Specific OptionsC0 No coatingC6 Roxar Standard Coating for SS Sensor Housing and

Mounting SocketCX7 Project specific coatingCode Factory OptionsZ Standard productX ETO product

1 Available only with Field Cable Gland option G0, No Gland2 Not available with Field Cable Gland option G0, No Gland3 Not available with Enclosure for Electronics in Hazardous Area option Z0, No Enclosure4 Not available with Enclosure for Electronics in Hazardous Area option B95 Available only Field Reset Box option 00006 Not available Field Reset Box option 00007 Not Available with factory Option Z8 Available only for Enclosure for Electronics in Hazardous Area option Z0, No Enclosure

Model Product Description

Our offering:

PressureMeasurement

Level Measurement

TemperatureMeasurement

Flow Measurement

MarineMeasurement &

Analytical

GasAnalysis

LiquidAnalysis

Flame and GasDetection

TankGauging

WirelessInfrastructure

Acoustic &

Discrete

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Head Office Roxar products:Tel: +47 51 81 8800E-mail:info.roxar@emerson.comwww.EmersonProcess.com/Roxar

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