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May 2014
18
Quick Start Guide
I1 ATEX Intrinsic Safety
Certificate: Baseefa03ATEX0499X [Headmount Fieldbus/Profibus]; BAS00ATEX1033X
[Railmount HART]; Baseefa12ATEX0101X [Headmount HART]
Standards Used: EN 60079-0: 2012 (2011 for HART 7); EN 60079-11:2012;
Markings: II 1 G Ex ia IIC T4 Ga [Fieldbus/Profibus];
II 1 G Ex ia IIC T6…T4 Ga [HART]
See Table 4 at the end of the Product Certifications section for Entity Parameters and
Table 3 for Temperature Classifications
Special Condition for Safe Use (X):
1. The equipment must be installed in an enclosure which affords it a degree of protection
of at least IP20 in accordance with the requirements of IEC 60529. Non-metallic
enclosures must have a surface resistance of less than 1G; light alloy or zirconium
enclosures must be protected from impact and friction when installed in a Zone 0
environment.
N1 ATEX Type n - with enclosure
Certificate: BAS00ATEX3145
Standards Used: EN 60079-0:2012, EN 60079-15:2010
Markings: II 3 G Ex nA IIC T5 Gc (-40 °C T
a
+70 °C)
NC ATEX Type n - no enclosure
Certificate: Baseefa13ATEX0093X [Headmount Fieldbus/Profibus, Railmount HART],
Baseefa12ATEX0102U [Headmount HART]
Standards Used: EN60079-0:2012 (Headmount HART), EN60079-15:2010
Markings: II 3 G Ex nA IIC T5 Gc [Fieldbus/Profibus/HART 5]; T5(-40 °C T
a
+70 °C)
II 3 G Ex nA IIC T6…T5 Gc [HART 7]; T6(-60 °C T
a
+40 °C); T5(-60 °C T
a
+85 °C)
Special Condition for Safe Use (X):
1. The Model 644 Temperature Transmitter must be installed in a suitably certified
enclosure such that it is afforded a degree of protection of at least IP54 in accordance
with IEC 60529 and EN 60079-15
ND ATEX Dust
Certificate: FM12ATEX0065X
Standards Used: EN 60079-0: 2012, EN 60079-31: 2009, EN 60529:1991 +A1:2000
Markings: II 2 D Ex tb IIIC T130 °C Db, (-40 °C T
a
+70 °C); IP66
See Table 3 at the end of the Product Certifications section for Process Temperatures
Special Conditions for Safe Use (X):
1. See certificate for ambient temperature range
2. The non-metallic label may store an electrostatic charge and become a source of
ignition in Group III environments
3. Guard the LCD cover against impact energies greater than 4 joules
4. Consult the manufacturer if dimensional information on the flameproof joints is
necessary