Combinations - Emerson Rosemount 248 Reference Manual

Reference Manual
00809-0100-4825, Rev CB
N3
B.3.5

Combinations

K5
Product Certifications
GB3836.16-2006 "Electrical apparatus for explosive gas atmospheres Part 16:
Inspection and maintenance of electrical installation (other than mines)"
GB50257-1996 "Code for construction and acceptance of electrical device for
explosion atmospheres and fire hazard electrical equipment installation engineering"
China Type n
Certificate: GYJ101095
Standards Used: GB3836.1-2000, GB3836.8-2003
Markings: Ex nA nL IIC T5(-40 °C
Special Conditions for Safe Use (X):
1. 248 type Temperature Assembly using temperature sensor type 65, 68, 183, 185 are
certified.
2. The ambient temperature range is: (-40 °C
3. Maximum input voltage: 42.4 V.
4. Cable glands, conduit or blanking plugs, certified by NEPSI with Exe or Ex n protection
type and ½-14NPT or M20x1.5 thread type, should be used on external connections
and redundant cable entries.
5. Maintenance should be done in non-hazardous location.
6. End user is not permitted to change any components inside, but to settle the problem
in conjunction with manufacturer to avoid damage to the product.
7. When installation, use and maintenance of this product, observe the following
standards:
GB3836.13-1997 "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 apparatus for explosive gas atmospheres Part 16:
Inspection and maintenance of electrical installation (other than mines)"
GB50257-1996 "Code for construction and acceptance of electrical device for
explosion atmospheres and fire hazard electrical equipment installation engineering"
combination of E5 and I5
Appendix B: Product Certifications
 a 
T +70 °C)
 a 
T +70 °C)
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