Quick Installation Guide
00825-0100-4825, Rev CA
February 2006
Rosemount 248
Hazardous Locations Certifications
(1)
North American Certifications
Factory Mutual (FM)
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
= –50 to 75 °C)
T6 (T
amb
= –50 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)
Combination Certifications
K5 Combination of I5 and E5.
(1) Consult factory for availability.
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
00825-0100-4825.fm Page 15 Wednesday, February 8, 2006 1:53 PM