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Reference Manual
00809-0200-4101, Rev AA
July 2008
Rosemount 2051
B-6
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.
N7 IECEx Type n
Certification No. IECExBAS08.0046X II 3 G
Ex nAnL IIC T4 (T
amb
= –40 to +70 °C)
U
i
= 32 Vdc max
Special Conditions for Safe Use (X):
The device is not capable of withstanding the 500V insulation test
required by Clause 6.3.12 of IEC60079-11. This must be taken into
account when installing the device.
TIIS Certifications
(consult factory for availability)
E4 TIIS Flame-Proof
Ex d IIC T6
I4 TIIS Intrinsic Safety
Ex ia IIC T4
ID TIIS FISCO Intrinsic Safety
Certificate Pending
Inmetro Certifications
(consult factory for availability)
E2 Flame-Proof
BR-Ex d IIC T6/T5
I2 Intrinsic Safety
BR-Ex ia IIC T4
IB FISCO Intrinsic Safety
Certificate Pending
GOST Certifications
(consult factory for availability)
IM Intrinsic Safety
Certificate Pending
EM Flame-Proof
Certificate Pending