MADCAD.com - The Cloud-Based Reference Library

- Free Trial - Webinar - Feedback

Cart (0)

No items in cart.

Total

There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.

Home

Content

Tour

eLibrary

Store

Not a subscriber? Register for a trial account.

Username:
Password:

Incorrect username/password.

Already a subscriber?

MADCAD.com Free Trial

Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.

If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.

Email *
Password *
Confirm *
First Name *
Last Name *
Title
Company Name *
Company Size *
Industry *
Address *
Address 2
City *
State *	Zip *
Country *
Phone *
How did you hear about MADCAD.com? *

Print page(s), starting from page (current page)

Continue to Print

Reset password

Enter your personal account email address to request
a password reset:

Reset password

Enter your account email address to request
a password reset:

Save As:

Are you sure you want to delete this group?

Security check

Please check the following box:

Please login to your personal account to use this feature.

Email:

Password:

Forgot your password?

Remember me for one month

Need a login? Register now.

Please login to your authorized staff account to use this feature.

Username:

Password:

Are you sure you want to empty the cart?

There were no books found for the applied search filters.

CLICK TO START OVER

Report To Us

Please fill the form below so that we can contact you.

Full name*
Email*
Phone

Contact us for a custom quote

Please fill the form below and a member of our staff will contact you shortly. The contents of your cart will automatically be sent to us so we can provide an accurate custom quote.

Company*
Full name*
Email*
Phone

⨯To continue with accurate pricing,
please select your company type below:

Large goverment organizations

Large multi-national corporation (more than $5B annual revenue)

None of the above

Your company has a special pricing case for IEEE.
For pricing, please contact us by filling out the form.

Full name*
Email*
Phone
Your selection

⨯We need your input!

Are you a code official in a jurisdiction with less than 300,000 population?

Yes No

This item is only available for the code officials of jurisdictions less then 300K population.

If you do not meet the criteria item will be removed and you will be able to continue shopping other items.

⨯ We need your input!

Your company has a special pricing case for ASME.
Please make sure the information you provide below is accurate.

Company Industry
Number Of Employees
Revenue

Pricing for the ASME publications in the store is for a 1-4 employee company in Construction Industry with revenue under $500,000.
If correct company info does not match what is publicly available info we will suspend the access and contact you for correction.
Please call 1-800-798-9296 if you have any questions.
If your company has more than 5,000 employee or more than 500 mil revenue please email us at info@madcad.com to receive a special quote, use "ASME Quote" on the subject line.

Cart Warning

Search book title

Search book content

Clear all filters Advanced Search Basic Search

Download File

eLibrary > BS EN 61786-1:2014 Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Requirements for measuring instruments >

BS EN 61786-1:2014 Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Requirements for measuring instruments, 2014

Expand All

TOC Search:

BS EN 61786-1:2014 Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Requirements for measuring instruments, 2014

30295412-VOR.pdf [Go to Page]
English [Go to Page]
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions [Go to Page]
3.1 Meters
3.2 Meter characteristics
3.3 Field characteristics
3.4 Measurements
4 Symbols
5 Instrumentation specifications [Go to Page]
5.1 General
5.2 Measurement uncertainty
5.3 Magnitude range
5.4 Pass-band
5.5 Operating temperature and humidity ranges
5.6 Power supplies
5.7 Readability of scale
5.8 Instrument dimensions and choice of probe [Go to Page]
5.8.1 General schema
5.8.2 Magnetic field meter
5.8.3 Electric field meter
5.8.4 Support for electric field meter
5.9 Electromagnetic compatibility [Go to Page]
5.9.1 Immunity
5.9.2 Emissions
5.10 Crest factor
5.11 Durability
5.12 Weight
5.13 Instrumentation choice
6 Calibration [Go to Page]
6.1 General
6.2 Calibration procedure [Go to Page]
6.2.1 General
6.2.2 Magnetic field calibration system
6.2.3 Electric field calibration system
6.2.4 Three-axis probes calibration
6.2.5 Calibration values
6.2.6 Calibration uncertainty
6.3 Calibration documentation
7 Verification
Annex A (normative) Calibration methods
Annex B (informative) Example of calibration uncertainty
Annex C (informative) General characteristics of magnetic and electric fields
Annex D (informative) Magnetic flux density meters (magnetic field meters)
Annex E (informative) Electric field strength meters (electric field meters)
Annex F (informative) Influence of humidity on electric field measurement
Annex G (informative) Units
Bibliography
Figures [Go to Page]
Figure 1 – Schema of a field meter
Figure 2 – Insulating tripod and offset rod for an electric field probe (photograph RTE)
Figure 3 – Electric field measurement using a hand-held stick (photograph RTE)
Figure A.1 – Deviation in percentage departure of calculated axial field [7]
Figure A.2 – Coordinate system and geometry of rectangular loopof many turns of wire (see Equation (A. 1))
Figure A.3 – Circular Helmholtz coils
Figure A.4 – Deviation in percentage of calculated Bz from centre value (see Equation (A.4))
Figure A.5 – Schematic view of a circuit for calibration of magnetic field meter using a square loop to produce a known field
Figure A.6 – Diagram for voltage injection technique
Figure A.7 – Calculated normalized electric field at plate surfaces and midway between plates as a function of the normalized distance from the edge of the plate
Figure A.8 – Parallel plates system for calibrating free-body electric field meters
Figure A.9 – Arrangement with parallel plates orientated perpendicular to the floor
Figure A.10 – Diagram for current injection technique
Figure C.1 – Oscillating and rotating field quantities for cases of elliptical polarization, linear polarization, and circular polarization
Figure C.2 – Magnetic field from current in straight and circular conductors
Figure C.3 – Perturbation of electric field distribution by a person (from IEC 62226-3-1)
Figure C.4 – Proximity effect with a 25 kV line and a building (from IEC 62110)
Figure D.1 – Schematic view of simple magnetic field meter with coil-type probe
Figure D.2 – Approximate equivalent circuit of a coil probe when connected to the detector
Figure E.1 – Single-axis free-body meter geometries
Figure E.2 – Designs for flat plate probes used with ground-referenced electric field meters
Figure F.1 – Test in the climatic chamber with the normal tripod (left) and the offset tripod (right) (photograph EDF R&D)
Figure F.2 – E field measured as a function of the humidity with a normal tripod
Figure F.3 – E field measured as a function of the humidity with an offset tripod
Tables [Go to Page]
Table 1 – Mains terminal disturbance voltage limits for class B group 1 equipment measured on a test site
Table A.1 – Calculated normalized electric field values midway between plates and at plate surfaces
Table B.1 – Example of uncertainty calculation
Français [Go to Page]
SOMMAIRE
AVANT-PROPOS
1 Domaine d'application
2 Références normatives
3 Termes et définitions [Go to Page]
3.1 Mesureurs
3.2 Caractéristiques des mesureurs
3.3 Caractéristiques des champs
3.4 Mesures
4 Symboles
5 Spécifications relatives aux instruments [Go to Page]
5.1 Généralités
5.2 Incertitude de mesure
5.3 Plage d’amplitudes
5.4 Bande passante
5.5 Plage de température de fonctionnement et plage d'humidité de fonctionnement
5.6 Alimentations en énergie
5.7 Lisibilité des échelles de graduation
5.8 Dimensions des instruments et choix de la sonde [Go to Page]
5.8.1 Généralités
5.8.2 Mesureur de champ magnétique
5.8.3 Mesureur de champ électrique
5.8.4 Support de mesureur de champ électrique
5.9 Compatibilité électromagnétique [Go to Page]
5.9.1 Immunité
5.9.2 Emission
5.10 Facteur de crête
5.11 Robustesse
5.12 Poids
5.13 Choix des instruments
6 Etalonnage [Go to Page]
6.1 Généralités
6.2 Procédure d'étalonnage [Go to Page]
6.2.1 Généralités
6.2.2 Système d’étalonnage de champ magnétique
6.2.3 Système d’étalonnage de champ électrique
6.2.4 Etalonnage des sondes tri-axiales
6.2.5 Valeurs d’étalonnage
6.2.6 Incertitude d’étalonnage
6.3 Documentation d’étalonnage
7 Vérification
Annexe A (normative) Méthodes d'étalonnage
Annexe B (informative) Exemple d'incertitude d’étalonnage
Annexe C (informative) Caractéristiques générales des champs magnétiques et électriques
Annexe D (informative) Mesureurs d'induction magnétique (mesureurs de champ magnétique)
Annexe E (informative) Mesureurs de champ électrique
Annexe F (informative) Influence de l’humidité sur la mesure du champ électrique
Annexe G (informative) Unités
Bibliographie
Figures [Go to Page]
Figure 1 – Schéma d’un mesureur de champ
Figure 2 – Trépied isolant et support décalé d’une sondede champ électrique (photographie RTE)
Figure 3 – Mesure de champ électrique au moyen d’une perche tenueà la main (photographie RTE)
Figure A.1 – Ecart en pourcentage du champ axial calculé [7]
Figure A.2 – Système de coordonnées et géométrie d'une boucle rectangulaire constituée de plusieurs tours de fil (voir l’Equation (A. 1))
Figure A.3 – Bobines de Helmholtz rondes
Figure A.4 – Ecart en pourcentage entre la valeur calculée Bz et la valeur centrale (voir l’Equation (A.4))
Figure A.5 – Représentation schématique d'un circuit utilisé pour l'étalonnaged'un mesureur de champ magnétique employant une boucle carrée pour produireun champ connu
Figure A.6 – Schéma relatif à une technique d'injection de tension
Figure A.7 – Champ électrique calculé normalisé au niveau des surfacesdes plaques et à mi-distance entre les plaques, en fonction de la distancenormalisée par rapport aux bords des plaques
Figure A.8 – Système de plaques parallèles utilisées pour l'étalonnage de mesureurs de champ électrique de type mesureurs d'espace libre
Figure A.9 – Configuration de plaques parallèles orientées perpendiculairement au plancher
Figure A.10 – Schéma relatif à la technique d'injection de courant
Figure C.1 – Grandeurs de champs oscillants et tournants pour les cas suivants: polarisation elliptique, polarisation linéaire et polarisation circulaire
Figure C.2 – Champ magnétique produit par un courant circulant dans des conducteurs droits et dans des conducteurs circulaires
Figure C.3 – Perturbation de la distribution du champ électrique par un individu (extrait de la CEI 62226-3-1)
Figure C.4 – Effet de proximité avec une ligne de 25 kVet un bâtiment (extrait de la CEI 62110)
Figure D.1 – Vue schématique d'un simple mesureur de champ magnétique muni d'une bobine
Figure D.2 – Circuit équivalent approché d'une bobine, lorsque celle-ci est reliée au détecteur
Figure E.1 – Formes géométriques des mesureurs de champ électrique mono-axiaux
Figure E.2 – Modèles de sondes planes utilisées avec des mesureurs avec référence au sol
Figure F.1 – Essai dans l’enceinte climatique avec le trépied normal (à gauche) et le trépied décalé (à droite) (photographie R&D de EDF)
Figure F.2 – Champ E mesuré en fonction de l’humidité avec un trépied normal
Figure F.3 – Champ E mesuré en fonction de l’humidité avec un trépied déporté
Tableaux [Go to Page]
Tableau 1 – Limites des tensions perturbatrices aux bornes du réseau pour les équipements du groupe 1 de classe B mesurées sur un site d’essai
Tableau A.1 – Valeurs du champ électrique calculé normalisé, à mi-distance entre les plaques et à la surface des plaques
Tableau B.1 – Exemple de calcul d’incertitude [Go to Page]

About Us / Careers / support@madcad.com / 1.800.798.9296

MADCAD.com Free Trial

Report To Us

Contact us for a custom quote

⨯To continue with accurate pricing, please select your company type below:

⨯We need your input!

⨯ We need your input!

Cart Warning

BS EN 61786-1:2014 Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Requirements for measuring instruments, 2014

⨯To continue with accurate pricing,
please select your company type below: