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Reference Manual
00809-0100-4697, Rev EA
October 2011
Rosemount 848T
www.rosemount.com
Appendix B Product Certificates
Hazardous Locations Certificates . . . . . . . . . . . . . . . . . . . page B-1
Intrinsically Safe and Non-Incendive Installations . . . . . page B-11
Installation Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page B-12
HAZARDOUS
LOCATIONS
CERTIFICATES
North American
Approvals
Factory Mutual (FM) Approvals
I5 Intrinsically Safe and Non-Incendive
Intrinsically Safe for use in Class I, Division 1, Groups A, B, C, D; when
installed per Rosemount drawing 00848-4404.
Temperature Code:
T4 (T
amb
= –40 to 60 °C)
Non-Incendive for use in Class I, Division 2, Groups A, B, C, D (suitable
for use with Non-Incendive field wiring) when installed in accordance with
Rosemount Drawing 00848-4404.
Temperature Code:
T4A (T
amb
= -40 to 85 °C)
T5 (T
amb
= -40 to 70 °C)
Rosemount Enclosure Required.
Indoor Hazardous (Classified) Locations.
Table B-1. FM Approved Entity Parameters
Power/Bus Sensor
(1)
(1) Entity parameters apply to entire device, not individual sensor channels.
V
max
= 30 V
V
OC
= 12.5 V
I
max
= 300 mA
I
SC
= 4.8 mA
P
i
= 1.3 W
P
o
= 15 mW
C
i
= 2.1 nF
C
A
= 1.2 F
L
i
= 0
L
A
= 1 H
Table B-2. Entity Parameters for Non Incendive Field Wiring
Power/Bus Sensor
(1)
(1) Entity parameters apply to entire device, not individual sensor channel.
V
max
= 42.4 V V
OC
= 12.5 V
C
i
= 2.1nF I
SC
= 4.8 mA
L
i
= 0 P
o
= 15 mW
C
A
= 1.2 F
L
A
= 1 H