7.4.2 I5 USA Intrinsic Safety and Non-Incendive
Certificate:
3008880 [Headmount Fieldbus/PROFIBUS
®
, Railmount
HART
®
]
Standards:
FM Class 3600: 2011, FM Class 3610: 2010, FM Class 3611:
2004, FM Class 3810: 2005, NEMA – 250: 1991
Markings:
IS CL I/II/III, DIV I, GP A, B, C, D, E, F, G; NI CL I, DIV 2, GP A, B,
C, D
Special Conditions for Safe Use (X):
1. When no enclosure option is selected, the Rosemount 644
Temperature Transmitter shall be installed in an enclosure meeting
the requirements of ANSI/ISA S82.01 and S82.03 or other applicable
ordinary location standards.
2. Option code K5 is only applicable with a Rosemount enclosure.
However, K5 is not valid with enclosure option S1, S2, S3, or S4.
3. An enclosure option must be selected to maintain a Type 4X rating.
Certificate:
3044581 [Headmount HART]
Standards:
FM Class 3600: 2011, FM Class 3610: 2010, FM Class 3611:
2004, FM Class 3810: 2005, ANSI/NEMA – 250: 1991,
ANSI/IEC 60529: 2004; ANSI/ISA 60079-0: 2009; ANSI/ISA
60079-11: 2009
Markings:
[No Enclosure]: IS CL I, DIV I, GP A, B, C, D T4; CL I ZONE 0 AEx
ia IIC T4 Ga; NI CL I, DIV 2, GP A, B, C, D T5 [With Enclosure]: IS
CL I/II/III, DIV 1, GP A, B, C, D, E, F, G; NI CL I, DIV 2, GP A, B, C,
D; Type 4X; IP68
Special Conditions for Safe Use (X):
1. When no enclosure option is selected, the Rosemount 644
Temperature Transmitter shall be installed in a final enclosure
meeting type of protection IP20 and meeting the requirements of
ANSI/ISA 61010-1 and ANSI/ISA 60079-0.
2. The Rosemount 644 optional housings may contain aluminum and is
considered a potential risk of ignition by impact or friction. Care must
be taken during installation and use to prevent impact and friction.
Certificate:
1091070
Standards:
FM Class 3600: 2011, FM Class 3610: 2010, FM Class 3611:
2004, UL Std. No. 61010-1-12, UL Std. No. 50E, CAN/CSA
C22.2 No. 60529-05, UL Std. No. 60079-11: Ed. 6
Quick Start Guide April 2019
28 Rosemount 644H and 644R
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