Maxwell NDT BVBA
MAXWELL NDT is a newly founded company providing electromagnetic inspection technology. The vision is to bring together expertise in electromagnetic non-destructive testing, starting with Pulsed Eddy Current Technology (PECT).
Product, Service
Netherlands
Overview
MAXWELL NDT is a newly founded company providing electromagnetic inspection technology. The vision is to bring together expertise in electromagnetic non-destructive testing, starting with Pulsed Eddy Current Technology (PECT).
PECT has been developed to detect corrosion hidden under insulation. Previous instruments often lacked the power to be fast and effective. Using the latest battery technology, MAXWELL NDT introduces a novel and very powerful PECT instrument. Its design is based on 20 years’ hands-on experience.
Other applications of PECT include:
– Corrosion under fireproofing (CUF)
– Detection and sizing of flow accelerated corrosion (FAC)
– Inspections in the splash zone – through coatings, marine growth and corrosion product
– Wall thickness monitoring and inspection through repair wraps
– Defect assessment through corrosion product
Products & Services
PECT Instrument
The PECT instrument comprises a ruggedized tablet computer connected to a data acquisition unit. The set is splash water tight, robust and easy to operate. Data collection is fast (two measurements per second) and has a scanning mode. The data is analysed in real-time with various quality control features that assists the operator to correctly analyse the data.
There are four standard probes, each for a different lift-off range. The probes are optimized for defect sensitivity.
The instrument can either be operated from the probe and from the tablet computer.
Colour-coded wall thickness readings are displayed on the touch screen display during data recording.
A MS-Excel field report can be produced quickly by the tablet computer. In addition, PC-based software is provided for further analysis and reporting.
Fast and reliable PECT measurements require a high-energy magnetic pulse, which is delivered by a dedicated powerful battery inside the data acquisition unit. The tablet computer is powered by two separate batteries. Both type of batteries are provided with external chargers and are hot-swappable.
Typical performance data
Material Carbon steel and low-alloyed steel
Lift-off range 0 – 250 mm (0-10”)
Wall thickness range 3 – 50 mm (0.12”-2”)
Insulation covers PECT can measure through non metal, aluminium and stainless insulation covers;The inspection performance of PECT through galvanised weather sheeting depends on its properties
Cables Standard cable length is 8m (26ft). Cable length of up to 100m (328ft) can be provided.
Transport The equipment is transported in two Explorer cases, 67cm x 51cm x 26cm, (26”x 20” x 10”), each weighing 45 lbs. – 20 kg
Training
Quality and Reliability of the PECT inspection is of key importance and goes far beyond simple data collection. For this purpose, a 5-day rigorous training course is offered, which qualifies operators for the most challenging inspections and data interpretation. PECT equipment is provided exclusively to parties whose staff attend this training.
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