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Reference Manual
00809-0200-4101, Rev AA
July 2008
Rosemount 2051
B-4
Special Conditions for Safe Use (X):
The device is not capable of withstanding the 500V insulation test
required by Clause 6.3.12 of EN60079-11. This must be taken into
account when installing the apparatus.
E1 ATEX Flame-Proof
Certification No.
KEMA 08ATEX0090X G
II 1/2 G
Ex d IIC T6 (T
amb
= –50 to 65 °C)
Ex d IIC T5 (T
amb
= –50 to 80 °C)
IP66
1180
Vmax = 32 V dc
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: T80 °C (–20 ≤ T
a
≤ 40 °C) IP66 IP68
Vmax = 42.4 V dc
A = 22 mA
1180
Special Conditions for Safe Use (X):
1. The user must ensure that the maximum rated voltage and current (42.4
volts, 22 milliampere, DC) are not exceeded. All connections to other
apparatus or associated apparatus shall have control over this voltage
and current equivalent to a category “ib” circuit according to EN 60079-1.
2. Cable entries must be used which maintain the ingress protection of the
enclosure to at least IP66.
3. Unused cable entries must be filled with suitable blanking plugs which
maintain the ingress protection of the enclosure to at least IP66.
4. Cable entries and blanking plugs must be suitable for the ambient range
of the apparatus and capable of withstanding a 7J impact test.