Emerson Rosemount 3051 Reference Manual page 192

Appendix B: Product Certifications
November 2012
1.
T
a
-60 °C +40 °C
-60 °C +70 °C
2.
3.
4.
5.
U = 30 V
i
I = 200 mA
i
P = 1 W
i
C = 0.012 μF
i
L = 0
i
N3
182
Specific Conditions for Safe Use (X):
The relation between ambient temperature range and temperature class is as following:
When used in combustible dust environment, the maximum ambient temperature is
-20 °C+40 °C.
The earth connection facility in the enclosure should be connected reliably.
The maximum internal parameters of the transmitter are as following:
U = 30 V, I =200 mA, P
i i
End users is not permitted to change any components insides.
When installing, using, and maintaining transmitter, observe following standards:
GB3836.1 1997 "Electrical apparatus for explosive gas atmospheres Part 13: Repair and
overhaul for apparatus used in explosive gas atmospheres"
GB3836.15-2000 "Electrical apparatus for explosive gas atmospheres Part 15: Electrical
installations in hazardous area (other than mines)"
GB3836.16-2006 "Electrical appartus for explosive gas atmospheres Part 16:
Inspection and maintenance of electrical installation (other than mines)"
GB50257-1996 "Code for construction and acceptance of electric device for explosion
atmospheres and fire hazard eletrical equipment installation engineering"
GB12476.2-2006 ""Electrical apparatus for use in the presence of combustible dust Part
1-2: Electrical apparatus protected by enclosures and surface temperature
limitation-Selection, installation and maintenance"
GB15577-2007 "Safety regulations for dust explosion prevention and protection"
China Type n - Non-Sparking
NEPSI Certificate No.: GYJ101111X
Applicable Standards: GB3836.1-2000, GB3836.8-2003
Markings: Ex nA nL IIC T5 (-40 °C < TA < 70 °C)
Temperature Class
T5
T4
=0.9 W, L =0 mH, C =0.012 F
i i i
Reference Manual
00809-0100-4001, Rev JA

Product certifications