International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference prEN 60493-1
Title Guide for the statistical analysis of ageing test data - Part 1: Methods based on mean values of normally distributed test results
Project Number 24030
Abstract/Scope IEC 60493-1:2011 gives statistical methods which may be applied to the analysis and evaluation of the results of ageing tests. It covers numerical methods based on mean values of normally distributed test results. These methods are only valid under specific assumptions regarding the mathematical and physical laws obeyed by the test data. Statistical tests for the validity of some of these assumptions are also given. This standard deals with data from both complete test sets and censored test sets. This standard provides data treatment based on the concept of 'data sub-group' as defined in Clause 3. The validity of the coefficients used in the calculation processes to derive statistical parameters of the data groups are described in IEC 60216-1. This second edition cancels and replaces the first edition, published in 1974, and constitutes a technical revision. The main changes with respect to the first edition are that, besides a complete editorial revision, censored data sub-group are considered.
PQ/UQ stage


Current Stage code 1598
Current Stage code date 2013-04-15
Current Stage code deadline  
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/TC 112
Reference Document IEC 60493-1:2011 (EQV)
ICS 29.035.01 - Insulating materials in general
Note D141/C067: Request approved * 2012-03-23 - PQ processing allocated to * 2013-04-15: WI deleted following the 3 years timeframe rules as no draft was made available
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
1598 2013-04-15    
1560 2012-07-09 2012-07-30 export to doc file  EN
1520 2012-03-30 2012-06-29  
1099 2012-03-23 2012-03-30  
1020 2012-01-05 2012-05-02  

Implementation Dates

date of Ratification (DOR) (1)  
date of Availability (DAV) (2)  
date of Announcement (DOA) (3) -
date of Publication (DOP) (4) -
date of Withdrawal (DOW) (5) -


Superseded by  
Normative reference (6)  

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.