Emerson Rosemount 2088 Reference Manual page 101

Appendix B: Product Certifications
March 2014
Combinations of certifications
Stainless steel certification tag is provided when optional approval is specified. Once a device
labeled with multiple approval types is installed, it should not be reinstalled using any other
approval types. Permanently mark the approval label to distinguish it from unused approval
types.
K1
K2
K5
K6
K7
KB
KH
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4. Metal cable glands or blanking plugs, certified by NEPSI with Ex e or Ex n protection
type should be used on external connections and redundant cable entries.
5. Maintenance should be done in non-hazardous locations.
6. End users are not permitted to change any internal components, but to settle the
problem in conjunction with the manufacturer to avoid damage to the product.
7. During 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 electric device for explosion
atmospheres and fire hazard electrical equipment installation engineering".
I1, N1, ED, and ND combination
I2 and E2 combination
E5 and I5 combination
C6, I1, and ED combination
I7, N7, E7, and NK combination
K5 and C6 combination
K5, ED, and I1 combination
Reference Manual
00809-0100-4108, Rev BA
Product Certifications