Special Conditions 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 Ω; light alloy or zirconium
enclosures must be protected from impact and friction when
installed in a Zone 0 environment.
2. When fitted with the Transient Protector Assembly, the equipment is
not capable of withstanding the 500 V test as defined in Clause
6.3.13 of EN 60079-11:2012. This must be taken into account during
installation.
7.6.3 N1 ATEX Type n – with enclosure
Certificate:
BAS00ATEX3145
Standards:
EN 60079-0: 2012+A11: 2013, EN 60079-15: 2010
Markings:
II 3 G Ex nA IIC T5 Gc (–40 °C ≤ T
a
≤ +70 °C)
7.6.4 NC ATEX Type n – without enclosure
Certificate:
[Headmount Fieldbus/PROFIBUS, Railmount HART]:
Baseefa13ATEX0093X
[Headmount HART]: Baseefa12ATEX0102U
Standards:
EN IEC 60079-0: 2018, EN 60079-15: 2010
Markings:
[Headmount Fieldbus/PROFIBUS, Railmount HART]: II 3 G
Ex nA IIC T5 Gc (–40 °C ≤ T
a
≤ +70 °C)
[Headmount HART]: II 3 G Ex nA IIC T6…T5 Gc; T6(–60 °C ≤
T
a
≤ +40 °C); T5(–60 °C ≤ T
a
≤ +85 °C)
Special Conditions for Safe Use (X):
1. The Rosemount 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.
2. When fitted with the Transient Protector Assembly, the equipment is
not capable of withstanding the 500 V test as defined in Clause 6.5 of
EN 60079-15: 2010. This must be taken into account during
installation.
7.6.5 ND ATEX Dust
Certificate:
FM12ATEX0065X
April 2019 Quick Start Guide
Quick Start Guide 31
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