Rosemount 248, Reference Manual

Page: 65 / 80

Reference Manual
00809-0100-4825, Rev BB
August 2005
Rosemount 248
www.rosemount.com
Appendix B Product Certifications
Hazardous Locations Certifications . . . . . . . . . . . . . . . . . page B-1
Installation Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page B-3
HAZARDOUS LOCATIONS CERTIFICATIONS
North American
Approvals
(1)
Factory Mutual (FM) Approvals
I5 FM Intrinsic Safety and Non-incendive
Intrinsically Safe for Class I/II/III, Division 1, Groups A, B, C,
D, E, F, and G. Non-incendive Field Circuit for Class I, Division 2, Groups
A, B, C, and D. Intrinsically Safe and non-incendive when installed in
accordance with Rosemount drawing 00248-1055.
Temperature Codes:
T5 (T
amb
= –40 to 75 °C)
T6 (T
amb
= –40 to 40 °C)
E5 FM Explosion-Proof
Explosion-Proof for Class I, Division 1, Groups B, C, and D. Dust Ignition
Proof for Class II/III, Division 1, Groups E, F, G when installed in
accordance with Rosemount drawing 00644-1049.
Temperature Codes:
T5 (T
amb
= –40 to 85 °C)
Canadian Standards Association (CSA) Approvals
I6 CSA Intrinsically Safe and Class I, Division 2
Intrinsically Safe for Class I, Division 1, Groups A, B, C, and D when
installed in accordance with Rosemount drawing 00248-1056.
Temperature Codes:
T5 (T
amb
= –50 to 60 °C)
T6 (T
amb
= –50 to 40 °C)
Suitable for use in Class I, Division 2, Groups A, B, C, and D.
(1) Please check with factory for availability of approvals.
TABLE 1. Entity Parameters
Loop/Power Sensor
U
i
= 30 Vdc U
o
= 45 Vdc
I
i
= 130 mA I
o
= 26 mA
P
i
= 1.0 W P
o
= 290 mW
C
i
= 3.6 nF C
o
= 0.4 nF
L
i
= 13.8
μ
H L
o
= 49.2 mH