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Step 1

Step 1

Conducting EMF testing and spotting the problems at an early stage.

step 1
Step 2

Step 2

Issue the EMF test report as required under the EMF Compliance.

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Step 3

Step 3

Issuing the EMF Certification on successful testing and monitoring of the product.

Overview of Electromagnetic Field (EMF) Testing

Every time an electrical appliance and equipment is used, it becomes a source of electromagnetic field emissions. There is an increase in their exposure, and so the concern about their effects is also growing rapidly. An electromagnetic field test measures an amount of electric, magnetic and electromagnetic exposure that a product emits to its users, including the static, extremely low frequency and radio frequency fields. Thus, Electromagnetic Field (EMF) Testing is required to assess the levels of exposure and compare them against reference levels. Electromagnetic Field (EMF) Testing is crucial to establish the problem's location and magnitude when the EMF problem is visible or suspected.

The most basic sources for high electromagnetic fields include the proximity to the power lines, transformers or appliances, flaws in internal buildings' wiring systems and stray currents on utility pipes. Electromagnetic field testing is generally conducted for the following reasons:

  • Real estate transactions
  • Health concerns
  • Low electromagnetic field building design
  • Building assessments
  • Identification of wiring errors and stray currents
  • The baseline for field reduction methods
  • Equipment interference issues
  • Future exposure projections

If the proper Electromagnetic Field (EMF) testing is not done, then it can have various adverse effects on the human body. Symptoms and levels of severity from different electromagnetic field (EMF) intensities and frequencies. Any overexposure or sensitivity to Electromagnetic Field is expressed via the following symptoms:

  • Learning and memory deficits
  • Allergy stress responses
  • Increased cancer risks
  • Neurological disorders
  • DNA damage
  • Concentration difficulties
  • Heart palpitations
  • Headaches
  • Leukaemia
  • Tumours
  • Insomnia or sleep disorders
  • Lower sperm count
  • Anxiety
  • Depression
  • Compromised reproductive system
  • Irritability
  • Chronic fatigue
  • Nausea
  • Compromised immune systems
  • Cellular damage
  • Chemical sensitivities
  • Electromagnetic Hypersensitivity (EHS)

Common Sources of Electromagnetic Fields

Followings are the common source of the Electromagnetic Field (EMF) where Electromagnetic field (EMF) testing is required:

  • Appliances and building wiring
  • Mobile phone towers
  • Wi-fi routers
  • Bluetooth devices
  • Electric cars
  • Body monitors
  • Lighting
  • Baby monitors
  • Phones
  • High voltage transmission and power lines
  • Inverters from solar panels
  • Wireless technology
  • Radioactivity
  • Smart meters and meter box

Types of Electromagnetic Field

Following are four types of Electromagnetic Fields (EMF):

  1. Magnetic Field

It is caused by net current flowing and the current flowing in places it should not be, such as:

  • Pipes and cable lines
  • AC and DC transformer
  • Wiring errors in the home can produce elevated magnetic fields
  • Metal in bed frames and furniture may be magnetised
  1. Electric Field

The electric field is caused by building wiring being energised, and such an electric field includes voltage on the body.

  1. Radiofrequency

Electromagnetic field from the equipment and other devices that send and receive information wirelessly. The followings create higher frequency radiation:

  • Cell phones
  • Bluetooth
  • Cordless phones
  • Wi-fi
  • Smart meters
  • Radar
  • Many other technologies
  1. Dirty Electricity

A higher frequency of transients and harmonies is found in the wiring of a building. Power supplies that convert the electricity from Alternating Current, AC to Direct Current, DC create dirty electricity.

Procedure for Electromagnetic Field (EMF) Testing

The following are the most relevant steps to be followed while conducting Electromagnetic Field (EMF) Testing:

  • Development Test

This test ensures that the best possible Electromagnetic Field (EMF) performance is obtained. It is much easier to make changes at this stage, and any circuit layout, screening and other aspects of design are easily changed or modified at this stage.

  • Pre-Compliance Test

It is done once a representative working model of the final equipment or device is available. Testing is generally performed at the development lab as part of the product testing programme. The main purpose of such a test is to check the performance of the complete product, equipment or device.

  • Electromagnetic Field (EMF) Compliance Test

When the product, equipment or device development is complete, it is necessary to undertake a full run of the EMF compliance testing. It ensures that the product meets all the requirements with respect to the standards it is required to meet. The basic nature of the test depends on the product, equipment or device; however, it needs to be sufficient to ensure that the product conforms to all the Electromagnetic Field (EMF) standards.

  • Production Test

The main Electromagnetic Field (EMF) testing enables the product, equipment or device to be sold in the market effectively without any sign of danger or harm to public health. However, there is an obligation on the manufacturer or any related person to ensure that such product, equipment or device is meeting the stated.

Checklist for Electromagnetic Field (EMF) Testing

The followings are required checklist for conducting successful Electromagnetic Field Testing:

  • Stray current

It is entered into the building via water, gas and coaxial internet service lines or HVAC system. It is also measured in amperes and flux density.

  • Complete Grounding system

An assessment check & measuring in mV, amperes & fundamental frequencies on each are often not in 60 Hz. This is required to check two testing, one the EGC Equipment Ground Conductor Systems and another the Overload Lightening Protection System.

  • AC Magnetic Field to 30 MHz

Both indoors and outdoors are measured in the process of Electromagnetic Field (EMF) testing. The most overlooked bandwidth spectrum range is between 1-30 MHz because the equipment to measure it correctly is expensive. AC Magnetic emission from any appliances and other sources points such as power lines, risers, electrical conduits and heating panels require to be measured.

  • AC Electric Field to 60 MHz

It is measured in volts per meter, i.e., V/m, and it includes all the e-fields emitted by the undergrounded lamps and appliances along with the unshielded home electrical wiring & poorly grounded electrical distribution lines.

  • DC Magnetic Field

It is measured in nanotesla (nT) with a state-of-the-art DC magnetometer used for the scientific research. Geomagnetic stress is a serious issue at a certain location, and it should not be overlooked.

  • DC Electrostatic Field

It is measured for the source point identification, and it is measured in V/m for commercial inferences applications and surface voltage for those with pacemakers or heart conditions. A DC shock causes serious harm.

  • Epidermal Voltage

It is measured at the workstations and sleeping areas to determine and remediate source points. Much of this work is generally done during an assessment. We measure our own epidermal voltage as a reference. 

  • Electromagnetic Interference

Electromagnetic Interferences, EMI are generally by mistake termed as Dirty Electricity (DE) that is measured on the phase, neutral & ground using an oscilloscope amplitude & FFT.

  • Radio Frequencies

Radio Frequency is analysed in 3D with a 100% Percentage of Intercept (POI) spectrum analyser using units dBm, watts, voltage & amperage from frequencies as low as 9kHz to determine & isolate source points' directionality.

  • Baseline testing

A full and final conclusive Electromagnetic Field (EMF) assessment of all emissions entering the home from the outdoors or the surrounding apartments versus which is actually produced within the home.

Frequently Asked Questions

The Electromagnetic field means the amount of electromagnetic radiation in a certain location. It is based on the measurement of power.

The list of vulnerable persons is as follows:
  • People with pacemakers
  • Pregnant woman
  • Elderly persons
  • Children

The list of higher-risk locations is as follows:
  • Power plants
  • Factories
  • Foundries
  • Bakeries
  • Production lines
  • Substations

CEMFAW is short for the Control of Electromagnetic Field (EMF) at Work Regulation. It states that where Electromagnetic Fields are present in a workplace, the organisation needs to identify the sources, assess the risks and control exposure to Electromagnetic Fields to protect their employees.

The followings are included under the Electromagnetic Field (EMF) testing:
  • Evaluation of Electromagnetic Field (EMF) levels and exposures with comparison to action levels and Exposure limits.
  • Electromagnetic Field (EMF) action plans and equipment zoning
  • Information, instruction and training on Electromagnetic fields in the workplace.

The EMF Directive addresses an established direct and indirect effects caused by Electromagnetic Fields, where the direct effects are separated into non-thermal effects and thermal effects, whereas the indirect effects occur where presence of an object inside an electromagnetic field may become the reason for a health hazard.

The non-thermal effects include stimulation of nerves, muscles and sensory organs.

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