Emerson Rosemount 644 - 5.5 Canada; 5.5.1 I6 Canada Intrinsic Safety and Division 2; 5.5.2 K6 Canada Explosion-proof, Dust Ignition-proof, Intrinsic Safety and Division 2

Markings:
IS CL I/II/III, DIV I, GP A, B, C, D, E, F, G; CL I ZONE 0 AEx
ia IIC; 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 a final
enclosure meeting type of protection IP20 and meeting the
requirements of ANSI/ISA 61010-1 and ANSI/ISA 60079-0.
2. Option code K5 is only applicable with a Rosemount enclosure.
However, K5 is not valid with enclosure options S1, S2, S3, or
S4.
3. An enclosure option must be selected to maintain a Type 4X
rating.
4. The Rosemount 644 Transmitter 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.
5.5 Canada
5.5.1 I6 Canada Intrinsic Safety and Division 2
Certificate:
1091070
Standards:
CAN/CSA C22.2 No. 0-10, CSA Std C22.2 No. 25-1966,
CAN/CSA-C22.2 No. 94-M91, CSA Std C22.2 No. 142-
M1987, CAN/CSA-C22.2 No. 157-92, CSA Std C22.2 No.
213-M1987, C22.2 No 60529-05, CAN/CSA C22.2 No.
60079-0:11, CAN/CSA C22.2 No. 60079-11:14, CAN/CSA
Std. No. 61010-1-12
Markings:
[HART
®
] IS CL I GP A, B, C, D T4/T6; CL I, DIV 2, GP A, B,
C, D
[Fieldbus/PROFIBUS
®
] IS CL I GP A, B, C, D T4; CL I, ZONE
0 IIC; CL I, DIV 2, GP A, B, C, D
5.5.2 K6 Canada Explosion-proof, Dust Ignition-proof, Intrinsic
Safety and Division 2
Certificate:
1091070
Standards:
CAN/CSA C22.2 No. 0-10, CSA Std C22.2 No. 25-1966,
CSA Std. C22.2 No. 30-M1986, CAN/CSA-C22.2 No. 94-
M91, CSA Std C22.2 No. 142-M1987, CAN/CSA-C22.2
No. 157-92, CSA Std C22.2 No. 213-M1987, C22.2 No
Quick Start Guide April2023
26 Rosemount 644