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. . . ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE)
Certificate ATEX II 1/2G Ex d IIC T6
ZELM Certificate number ZELM 08 ATEX 0361 X
The meaning of ATEX code is as follows:
II :
Group for surface areas (not mines)
1/2 :
Category
G :
Gas (dangerous media)
(Note: the number close to the CE marking of the transmitter safety label identifies the
Notified Body which carries out the surveillance for the production of the transmitter)
The other marking refers to the protection type used according to relevant EN standards:
Ex d : Flameproof
IIC : Gas group
T6 : Temperature class of the transmitter (which corresponds to 85°C max)
with a Ta (ambient temperature) +40°C
About the applications, this transmitter can be used in "Zone 0" (Gas) and "Zone 1" as
it is shown on the picture.
Certificate ATEX II 1/2D Ex tD A21 IP67 T85
ZELM Certificate number ZELM 08 ATEX 0361 X
The meaning of ATEX code is as follows:
II :
Group for surface areas (not mines)
1/2 :
Category
D :
Dust (dangerous media)
T85°C :
Maximum surface temperature of the transmitter enclosure with a Ta
(ambient temperature) +75°C for Dust (not Gas). For application with
dust layer between 5 and 50 mm, maximum surface temperature must
be consider according to IEC 61241-14 chapter 6.3.3.3.
(Note: the number close to the CE marking of the transmitter safety label identifies the
Notified Body which carries out the surveillance for the production of the transmitter)
The other marking refers to the protection type used according to relevant EN standards:
Ex tD A21: Construction with flameproof of protection method suitable for Dust -
Zone 21
About the applications, this transmitter can be used in "Zone 20" and "Zone 21" (Dust)
classified area (continuous hazard) as it is shown on the picture.
IP code
About the degree of protection provided by the enclosure of the pressure transmitter, the
2600T SERIES has been certified IP67 according to EN 60529 standard (corresponding
to IEC 529).
The first characteristic numeral indicates the protection of the inside electronics against
ingress of solid forein objects including dusts. The assigned "6" means an enclosure
dust-tight (no ingress of dust).
The second characteristic numeral indicates the protection of the inside electronics against
ingress of water. The assigned "7" means an enclosure water-protected against a
temporary immersion in water under standardized conditions of pressure and time.
°
C
Application with Gas
Zone "0"
Zone "1"
2600T Tx
category
1/2G Ex d
d
angerous
+
medium
(process)
primary
transducer
Zone 0 / Zone 1
Separation elements
Application with Dust
Zone "21"
Zone "20"
2600T Tx
category
1/2D IP6x
(Ex tD)
dangerous
+
medium
(process)
primary
transducer
(Note: see
the
certificate
for
exception)
Zone 20 / Zone 21
Separation elements
Note: the protection is mainly assured by the
"IP degree" associated to the low power from
the supply certfied (Ex ia).
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