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Quick Installation Guide
00825-0100-4101, Rev EA
June 2010
Rosemount 2051
18
N1 ATEX Type n
Certification No. Baseefa08ATEX0130X II 3 G
Ex nAnL IIC T4 (–40 T
a
+70 °C)
U
i
= 42.4 Vdc max
IP66
Special Conditions for Safe Use (X):
When the optional transient protection terminal block is installed, the apparatus is not
capable of withstanding a 500V r.m.s. test to case. This must be taken into account on
any installation in which it is used, for example by assuring that the supply to the
apparatus is galvanically isolated.
E1 ATEX Flame-Proof
Certification No.
KEMA 08ATEX0090 X
II 1/2 G
Ex d IIC T6 (–50 T
a
65 °C)
Ex d IIC T5 (–50 T
a
80 °C)
IP66
1180
Vmax = 42.4 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: Ex tD A20 T115 °C (–20 T
a
85 °C)
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.
4101_QIG_RevEA.fm Page 18 Tuesday, June 29, 2010 9:26 AM