DSH 369 Comparative tracking Index

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DSH 369

Comparative tracking Index + d$ V" o, b0 A5 H2 k: \; H

Tables in Annex D 7 d; T' x7 ]1 e1 }) v1 h3 C

61010-1(ed.1);am1;am2 6 U7 O1 F9 f7 U

* ~6 S( d, x# r) S& n
5 ?% b. K/ H" O: T/ [Standard:
IEC 61010-1:1990 +A1:1992 + A2
" X% L$ J7 _7 Z/ c" z:1995
Sub clause:
Tables in Annex D
Sheet n. 369
6 s: ]* g( K7 }5 N. s( uPage 1(1)
1 ^0 P" @7 A. @1 [2 H2 OSubject:
' D! F* w: M( [! G2 V- ]Comparative Tracking Index
Key words:
- CTI values
2 C. \, ]. ?. Y! N3 k# Y9 p" V- Manufacturer’s claim
: k9 [. I) h% M7 @$ FDecision taken by
ETF3 and confirmed
' Y6 e- d: X% p; qby CTL at its 38th
meeting, in Toronto
Questions :
2 Z3 N4 P$ B) N/ P9 B: _4 X& d7 F* m, M1. Is the manufacturer's declaration regarding the CTI values acceptable by Test Houses?
2.Is a single test for the CTI value acceptable?
. L* D7 ]. H* u+ T5 N" k4 H4 T3.Which CTI value is to be used when no value tested or declared, for example for PCB's?
. z9 P: P0 w- {. bDecision:
# q2 S, X" @! T( a4 W. D; @1. The manufacturer’s claim is not adequate and must be backed by an independent test
2 u9 c: z4 d5 c* C: ]0 b/ Q7 yreport/certificate from a recognised test house.
2. No testing considered necessary if the material is approved and fit for purpose. However
if not approved than single test is not acceptable.
- F" k' X+ O2 I5 o7 r3. The least favourable value, for example CTI value of < 100.



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