NEN EN 50445 : 2008
Current
The latest, up-to-date edition.
PRODUCT FAMILY STANDARD TO DEMONSTRATE COMPLIANCE OF EQUIPMENT FOR RESISTANCE WELDING, ARC WELDING AND ALLIED PROCESSES WITH THE BASIC RESTRICTIONS RELATED TO HUMAN EXPOSURE TO ELECTROMAGNETIC FIELDS (0 HZ - 300 GHZ)
12-01-2013
1 Scope
2 Normative references
3 Terms and definitions
4 Compliance criteria and exposure limits
4.1 Background
4.2 Equipment for use by the general public
4.3 Equipment for occupational use
4.4 Equipment for occupational use in a public area
4.5 Exposure of persons wearing cardiac pacemakers or other
medical implants
4.6 Projectile risk
4.7 Touch currents
5 Compliance assessment
5.1 General
5.1.1 Measurement and calculation
5.1.2 Time averaging
5.1.3 Spatial averaging
5.1.4 Assessment of equipment with pulsed or non-sinusoidal
welding current
5.1.5 Assessment of equipment with multiple welding current
waveforms
5.2 Assessment of EMF
5.2.1 General considerations
5.2.2 Electric field
5.2.3 Magnetic field measurements to show compliance with
reference levels
5.2.4 Calculations to show compliance with reference levels
5.2.5 Calculations to show compliance with basic restrictions
6 Information to be supplied with the apparatus
7 Marking
8 Uncertainty of assessment
8.1 Using uncertainty for comparison with limits
8.2 Permissible expanded uncertainties
Annex A (informative) - General public basic restrictions and
reference levels
Annex B (informative) - Occupational basic restrictions and
reference levels
Annex C (informative) - Example for general EMF information
Bibliography
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