Test Engineering

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Anderson, Antony

Consultant Electrical Engineer: failure investigations: expert witness

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Services Provided:

An independent consultant electrical engineer and expert witness with extensive experience of electrically-related investigative work that has successfully supported litigation and dispute resolution. He investigates and reports on unusual electrical problems and on the causes of electrical machine and control system failures. He offers ideas and solutions that improve design/manufacturing processes.

Baldwin, Phil

RF & Microwave design, Radar, Electronic Warfare, Antennas, EMI, Naval Systems, Ships HF Topside design, HF radio communications.

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Services Provided:

PJ Research is an independent provider of high quality research and development, performance assessment, design and test & evaluation of RF and microwave systems including advanced antennas, radars, RF electronic countermeasure systems, RF communications applications and EMC. It also provides platform RF design and consultancy services to optimise system performance whilst minimising mutual interference between co-located systems. The RF frequency range of interest is from HF to microwave.

Our principal RF engineer, Dr Phil Baldwin can provide the full range of requirements analysis, technical design, build, test and evaluation and management support functions. He is a chartered engineer, chartered physicist and a Fellow of the Institution of Engineering and Technology and has some 30 years of experience working in UK government research establishments, University, and various industrial sectors. He has worked as an independent consultant since 1996.

Phil has recently focussed his research on developing his latest innovation, having attracted government research funding and collaboration with others to do this, into a very successful practical demonstration. This work involves providing (for the first time) broad-band, dual-polarised e-scan phased array antennas with an extremely high purity of polarisation on transmit.

We are based near Exeter in Devon UK, and provide services across the UK and Europe.

Example of open literature publications:

'Nonlinear response of microwave guides containing carbon-loaded composite materials' http://iopscience.iop.org/0022-3727/38/1/014;
'Iterative calculation of ship-borne HF antenna performance' http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=68348
'An Experimental Adaptive Array for Radar Applications' http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4131429
'Design and Operation of a Wideband RCS Measurement System' http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4132159
“A novel system for producing controlled exposures of brain slice preparations to radiofrequency electromagnetic radiations during elecrophysiological recording”, Journal of Physiology, 495.P, 1996:
http://jp.physoc.org/content/495/P/1P.full.pdf (P6); follow-up refs at: http://www.ursi.org/Proceedings/ProcGA02/papers/p1175.pdf

Blackham, Charlie

CE Marking and Product Approvals Consultant

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Services Provided:

Charlie offers extensive experience in Product Approvals, CE Marking and Regulatory Compliance Management. Working closely with regulatory authorities worldwide, he specialises in helping design and manufacturing companies comply with worldwide Product Approval requirements. Areas of expertise include:

• Europe - CE Marking to EU Directives (EMC, LVD, R&TTE and Machinery)
• R&TTE Directive technical expert for Annex V Notified Body
• North America - FCC, IC and NRTL listing
• Military Requirements - Mil-Std and Def-Stan EMC
• Compliance with RoHS Directive 2002/95/EC
• Environmental testing to IEC and ETSI requirements
• Improving product reliability using HALT and HASS

Offering a very flexible approach, with a wide range of services from providing a summary of applicable approvals requirements, or solving a particular test failure, through to complete management of all your CE marking and Approvals requirements

More information at: http://www.linkedin.com/in/charlieblackham

Marshall, Richard C

Analogue, EMC and RF design, training,consultancy and test manufacture

Details

Services Provided:

Analogue and radio-frequency electronic design.
Electromagnetic Compatibility and CE Marking; Training and Consultancy.
Specialised Test Equipment Design and Supply.

Showell, John F

Assisting electronics companies with product safety certification

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Services Provided:

Product Approvals Ltd is a consulting engineering practice specialising in helping electronics companies with obtaining product safety approvals, for example CE marking for the European market and nationally recognised testing laboratory (NRTL) marking for the North American market using third-party agencies such as Underwriters Laboratories (UL). Here are some further benefits to you of using my services:

Completely impartial advice aimed at helping you fulfill your specific product approvals requirement.
An in depth understanding of the unique requirements for electronic products
An emphasis on tailoring a solution to your unique needs.
A hands-on approach if that's what you need.
Over 15 years experience in obtaining UL approval
Knowledge of standards including UL 508C Power conversion equipment, UL 840 Insulation co-ordination, UL 50 Enclosures for electrical equipment, UL 746 Polymeric material use in electrical equipment, UL 1449 Transient voltage surge suppressors, EN 61800-5-1 Electrical power drive systems, EN 50178 Electronic equipment for use in power installations, EN 60529 IP codes, NEMA-250 Enclosures for electrical equipment, Canadian standard CSA C22.2 No. 14 Industrial Control Equipment etc.
Determination of optimal product certification routes.
Additional flexible resource as and when you need it.
A means of staying up-to-date with current legislation affecting electronics equipment.
Design reviews - on site - or by web conferencing.
Custom-written design guidelines

The service will be tailored to best suit your unique requirements.

Preliminary safety design reviews. To help ensure conceptual designs are compliant with key safety requirements from the outset of the project.
- Service code PSDR1 (on-site)
- Service code PSDR2 (web based)
Project management and facilitation of third-party safety approval submittals e.g. obtaining agency listings for US and Canadian markets.
- Service code TPSA
Assistance with self-certification CE-marking of products to the Low Voltage Directive for the EU market.
- Service code SCA-LVD
Creation and implementation of complete product design verification plans to address product conformity aspects including safety, EMC, environmental (climatic, vibration), user-interface, integrity and reliability aspects as required.
- Service code PDVP
Review of market entry product approval options. For example investigation of alternate certification agency routes and product label markings.
- Service code ME
Legislation monitoring. This could for example involve monitoring of a key safety standard - or looking at the implications of new EU legislation such as the Energy-using Products (EuP) directive.
- Service code LM
Design guideline writing. This can be a valuable aid to reducing time spent by design engineers navigating and interpreting sometimes confusing or complicated information laid-out in technical standards. Collating differing requirements across various applicable standards when considering e.g. PCB clearance requirements is another example of a potential benefit.
- Service code DG
Data research and collation. This service can be of help for example when selecting suitable polymeric materials for an electrical enclosure and can include review of relevant parameters such as flammability, relative thermal index for electrical & mechanical performace, comparative tracking index, arcing and hot wire ignition resistance and so forth.

Service code DRC

Other services or combinations of services can be provided in order to satisfy your requirements please ask info [at] productapprovals [dot] co [dot] uk.

Do you need design assistance as well? My associate is a highly experienced power electronics design expert, please contact: Steve Foster, Power Electronics Consultant

Taylor, David Adrian Walter

Independent Mechanical Engineer - machinery, vehicles - expert witness

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Services Provided:

Troubleshooting, analysis and design of all classes of industrial machinery, road vehicles, railway rolling stock, power plant and structures. Electronic measurement and recording for vibration, loads, stresses & working characteristics with strain gauges etc. Failure investigations, metallurgy and mis-use of equipment. Fatigue and fracture analysis. Experienced in reports for loss adjusters/claims administrators and for matters of litigation. Experienced expert witness. Trained and experienced as an SJE.

Test Engineering

Anderson, Antony

Baldwin, Phil

Blackham, Charlie

Marshall, Richard C

Showell, John F

Taylor, David Adrian Walter

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