News

What’s the difference between a current probe and an I-dot sensor ?

I DOT sensor

Current probe vs. I-DOT sensor

A current probe is not really a current sensor, because it does not respond to direct current. A current probe is designed to sense and integrate the first derivative of the current – or, more precisely, the magnetic field associated with the current being measured. Continue reading

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SINTEF chooses point2point RF over fibre for high-power research

SINTEF Energy Lab

SINTEF chooses point2point RF over fibre for high-power research

The Foundation for Scientific and Industrial Research (SINTEF) in Norway has chosen point2point RF over fibre links to support its high-power research. SINTEF, the contract research arm of the Norwegian Institute of Technology, is one of Europe’s largest research institutes… Continue reading

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Airbus in Germany chooses Sentinel 3 RF over fibre system

Airbus Defence & Space Madrid

Airbus in Germany chooses Sentinel 3 RF over fibre system

PPM are pleased to announce that another European Airbus site has chosen Sentinel 3. Airbus Defence and Space headquarters in Ottobrunn, near Munich have chosen to integrate the Sentinel 3 RF over fibre system to their data acquisition platform. Continue reading

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PPM signs agreement with Italian distributor Lunitek

Lunitek logo

PPM signs agreement with Italian distributor Lunitek

PPM Test has signed an agreement with Italian company Lunitek to distribute test and measurement equipment in Italy. Started in the year 2000, Lunitek are based in Sarzana in the north west of Italy. The company specialises in leading edge test equipment… Continue reading

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PPM deliver Sentinel 3 system to BAE Warton

Tornado aircraft BAE Warton

PPM deliver Sentinel 3 system to BAE Warton

BAE Systems in Warton, UK have taken delivery of a Sentinel 3 system to support their electromagnetic compatibility (EMC) testing. The Lancashire site is a major BAE assembly and testing facility and the main manufacturing location for the Eurofighter Typhoon. Continue reading

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National Institute for Aviation Research chooses Sentinel 3

Sentinel 3 System vector

NIAR chooses Sentinel 3 for lightning and HIRF testing

The National Institute for Aviation Research (NIAR) at Wichita State University has chosen Sentinel 3 RF over fibre to support their environmental and electromagnetic testing on aircraft. NIAR’s Environmental & EME Test Labs perform testing such as Lightning Transient Analysis and HIRF testing. Continue reading

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Aircraft EMC testing with Fibre Optic Links – part 4: Practical aspects to consider

The requirements of a FOL system vary depending on whether low or high level testing is being conducted. For example, when conducting LLSC/LLSF measurements on an aircraft immersed in a low-level field, very low levels of current or voltage are … Continue reading

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Aircraft EMC testing with Fibre Optic Links – part 3: Lightning Testing

Lightning Testing Aircraft lightning testing is concerned with two aspects of the direct attachment of lightning to the aircraft: Direct damage, including fuel explosion Induced electrical transients causing upset or damage to critical electronic systems, known as indirect effects. Direct … Continue reading

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Aircraft EMC testing with Fibre Optic Links – part 2: HIRF Testing

HIRF Test Methodology The final stage of aircraft clearance may involve limited illumination of the aircraft with threat level RF fields, typically over the range 10 kHz – 18 GHz. As an alternative approach, with lower facility costs than for … Continue reading

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Aircraft EMC testing with Fibre Optic Links – part 1

Avoiding instrumentation interference and signal losses at high frequencies As part of an aircraft’s certification for flight, aircraft must demonstrate safe operation within a range of environmental conditions. This includes Electromagnetic Environmental Effects (E3) which, for civil aircraft, include High … Continue reading

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