Account:  - Login  |  Webstore  |  Shopping basket cart
English  |  Français  |  Nederlands

Publication details

Publication CODE Title
NBN EN 60793-1-20:2014 (2014-11) OPTICAL FIBRES PART 1-20: MEASUREMENT METHODS AND TEST PROCEDURES - FIBRE GEOMETRY
 
Price Excl. VAT Total number of pages, tables and drawings
25.00 € 3 P.
Description
Establishes uniform requirements for measuring the geometrical characteristics of uncoated optical fibres. The geometry of uncoated optical fibres directly affect splicing, connectorization and cabling and so are fundamental parameters requiring careful specification, quality control, and thus measurement. This second edition cancels and replaces the first edition, published in 2001, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- the reference test method for all fibre types is changed to the video grey scale transmitted near field method from the refracted near field method;
- the test lengths for all fibre types are now to be specified in the fibre's detail specification;
- the core illumination wavelength for all multimode fibre types may now to be specified in the fibre's detail specification although defaults are given;
- the core k-factor (decision level) is now to be specified in the detail specification for all multimode fibre types;
- this edition is substantially more specific in describing the measurement;
- data reduction and transformation is fully described;
- the data reduction methodology for both refracted near-field and transmitted near-field methods are now unified and consistent. Keywords: measuring the geometrical characteristics of uncoated optical fibres
Class  C93  (TELECOMMUNICATIONS - ELECTRONIC PASSIVE ELECTRONIC COMPONENTS AND OPTICAL FIBRES (SEE ALSO C90))
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

Very important notice: 98% of the text of the NBN EN 55XXX, NBN EN 6XXXX comes from the IEC text which is NOT included. This text can be ordered here: IEC 60793-1-20:2014. For the series NBN EN 50XXX, the standards are however complete.

EN version
FR version
DE version
Status
Status Registered trilingual Belgian standard EN or FR or DE
Situation Currently active
Replaces  NBN EN 60793-1-20:2002
Origin
Committee TC 86/SC 86A
FIBRES AND CABLES (optical)
Responsible Monsieur POLART Jules, Ingénieur
Chaussée de Brunehault, 380
7140  MORLANWELZ
Phone: 064 / 45 16 83
Fax: 064 / 45 16 83
E-mail: jules.polart@ceb-bec.be
Approval
BEC Approval 2014-11-14
NBN Approval 2014-12-17
Belgian Official Journal 2015-01-30
Registration 155220
ICS-Code (International Standards Classification) 33.180.10
NBN Status New
Date of ratification (d.o.r.) 2014-11-14
Date of availability (d.a.v.) 2014-11-21
Date of announcement (d.o.a.) 2015-02-14
Date of publication (d.o.p.) 2015-08-14
Date of withdrawal former edition (d.o.w.) 2017-11-14
Correspondences with international standards
Relation International standard Date
is identical to EN 60793-1-20:2014 2014-11-21
is identical to IEC 60793-1-20:2014/ed. 2.0 2014-10-10
Relations to belgian/foreign publications
Type Origin Code Date
Standard Foreign IEC 61745
Standard Belgium NBN EN 60793-2-10
Standard Belgium NBN EN 60793-2-20
Standard Belgium NBN EN 60793-2-30
Standard Belgium NBN EN 60793-2-40
Standard Belgium NBN EN 60793-2-50
Standard Belgium NBN EN 60793-2-60