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Industrial and environmental inspection, vendor inspection, technical assistance, non-destructive testing (NDT) and technical staffing for all type of industries.
Multidisciplinary laboratories.Testing and engineering for product development. Conformity testing and product certification. SYSTEMS CERTIFICATION.
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A electromagnetic survey in the field typically involves the generation of an electromagnetic field into the earth to measure the response of the induced secondary field signal. There are two main types of EM survey methods: time domain electromagnetics (TDEM) and frequency domain electromagnetics (FDEM). TDEM instruments measure the decay time of the induced field signal, whereas the FDEM method measures the amplitude and the phase of the EM signal. EM data is used to determine terrain conductivity and the presence of metal and is capable of detecting both ferrous and non-ferrous materials in the subsurface. This is important in environmental projects, where detecting changes in conductivity and the presence of metal is critical.
Applus+ provides clients with professional services in electromagnetic surveys and that can facilitate site characterisation with real-time results. We are able to use EM survey services in conjunction with other geophysical site survey tools to create a thorough subsurface-investigation package.
Combining EM survey services with complementary services, such as GPR inspection, is often valuable from an environmental perspective.
Clients who partner Applus+ for their electromagnetic services will gain:
Electromagnetic services and EM surveys provide a fast and reliable way of quickly ascertaining subsurface information. Engineers and construction firms can benefit from an EM survey. Data from the EM survey can help determine the presence of subsurface metal (utilities or underground storage tanks, for example). Our EM services can also include soil conductivity surveys to detect changes in conductivity and changes in subsurface properties, such as water content or subsurface contamination.
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