WIKA T53 - Manual (Page 14)

GB
11178648.04 03/2010 GB/D/F/E
14 WIKA Operating Instructions Temperature Transmitter T53
Explanation of symbols
CSA, Canadian Standard Association
The instrument was inspected and certified by CSA
International. Instruments bearing this mark comply with
the applicable Canadian standards on safety (including
explosion protection).
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant
European directives.
ATEX European Explosion Protection Directive
(Atmosphère = AT, explosible = Ex)
Instruments bearing this mark comply with the
requirements of the European Directive 94/9/EC (ATEX)
on explosion protection.
FM, Factory Mutual
The instrument was inspected and certified by FM
Approvals. Instruments bearing this mark comply
with the applicable US standards on safety (including
explosion protection).
NEPSI
National Supervision and Inspection Center for
Explosion Protection and Safety of Instrumentation
The instrument was inspected and certified by NEPSI.
Instruments bearing this mark comply with the applica-
ble chinese standards on safety (including explosion
protection).
INMETRO
National Institute of Metrology, Standardization
and Industrial Quality
The instrument was inspected and certified by INMETRO.
Instruments bearing this mark comply with the applicable
brazilian standards.
2. Safety