China - Emerson Rosemount 248 Reference Manual

Reference Manual
00809-0100-4825, Rev CB
B.3.4

China

E3
I3
Product Certifications
China Flameproof
Certificate: GYJ11.1534
Standards Used: GB3836.1-2010, GB3836.2-2010
Markings: Ex d IIC T6 Gb (-40 °C
Special Conditions for Safe Use (X):
1. Ambient temperature range is: -40 °C
2. The earth connection facility in the enclosure should be connected reliably.
3. During installation, there should be no mixture harmful to flameproof housing.
4. During installation in hazardous location, cable glands, conduits and blanking plugs,
certified by state-appointed inspection bodies with Ex d IIC Gb degree, should be
used.
5. During installation, use and maintenance in explosive gas atmospheres, observe the
warning "Do not open when energized".
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 electric device for explosion
atmostpheres and fire hazard electrical equipment installation engineering"
China Intrinsic Safety
Certificate: GYJ11.1535X
Standards Used: GB3836.1-2010, GB3836.4-2010
Markings: Ex ia IIC T5/T6; T5(-60 °C
See Table B-2 at the end of the Product Certifications section for Entity Parameters
Special Conditions for Safe Use (X):
1. Symbol "X" is used to denote specific conditions of use:
a. The enclosure may contain light metal, attention should be taken to avoid ignition
hazard due to impact or friction
b. The apparatus must be installed in an enclosure which affords it a degree of
protection of at least IP20. Non-metallic enclosures must have a surface resistance
of less than 1G.
Appendix B: Product Certifications
 a 
T +65 °C)
 a 
T +65 °C
 T a  +80 °C), T6(-60 °C
March 2014
 T a  +60 °C)
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