Quick Installation Guide
00825-0400-4101, Rev AA
March 2011
Rosemount 2051
15
IA
ATEX FISCO Intrinsic Safety
Certification No.: BAS08ATEX0129X
II 1 G
Ex ia IIC T4 (T
amb
= –60 to +60 °C)
IP66
1180
Special Conditions for Safe Use (X):
The device is not capable of withstanding the 500 V insulation test required by Clause
6.3.12 of EN60079-11. This must be taken into account when installing the apparatus.
N1
ATEX Type n
Certification No.: BASEEFA08ATEX0130X
II 3 G
Ex nA nL IIC T4 (T
amb
= –40 to +70 °C)
U
i
= 42.4 Vdc max
Special Conditions for Safe Use (X):
The device is not capable of withstanding the 500 V insulation test required by Clause
6.8.1 of EN60079-15. This must be taken into account when installing the apparatus.
E1
ATEX Flame-Proof
Certification No.: KEMA08ATEX0090X
II 1/2 G
Ex d IIC T6 (T
amb
= –50 to 65 °C)
Ex d IIC T5 (T
amb
= –50 to 80 °C)
1180
Special Conditions for Safe Use (X):
1. Appropriate ex d blanking plugs, cable glands, and wiring needs to be suitable for a
temperature of 90 °C.
2. This device contains a thin wall diaphragm. Installation, maintenance and use shall
take into account the environmental conditions to which the diaphragm will be
subjected. The manufacturer’s instructions for maintenance shall be followed in
detail to assure safety during its expected lifetime.
3. The 2051 does not comply with the requirements of IEC 60079-1 Clause 5 for
flameproof joints. Contact Emerson Process Management for information on the
dimensions of flameproof joints.
ND
ATEX Dust
Certification No. Baseefa08ATEX0182X
II 1 D
Dust Rating: II 1 D Ex tD A20 T115 °C (-20 °C
T
a
85 °C) IP66 IP68
Vmax = 42.4 Vdc
A = 22 mA
1180
Special Conditions for Safe Use (X):
If the equipment is fitted with an optional 90 V transient suppressor, it is incapable of
isolation from earth test and this must be taken into account during installation.
Table 4. Input Parameters
U
i
= 17.5 V
I
i
= 380 mA
P
i
= 5.32 W
C
i
=
5 µF
L
i
=
10 µH
00825-0400-4101.fm Page 15 Friday, March 25, 2011 1:34 PM
