Emerson Rosemount 2088 Reference Manual page 100

Reference Manual
00809-0100-4108, Rev BA
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N3
Product Certifications
Special Conditions for Safe Use (X):
The ambient temperature range is:
T Code Ambient temperature
 
T6 -20 °C T
a
 
T4 -20 °C T
a
The earth connection facility in the enclosure should be connected reliably.
During installation in hazardous locations, cable glands, conduits and blanking plugs
certified by state-appointed inspection bodies with Ex d IIC type of protection should
be used.
During installation, use and maintenance in explosive gas atmospheres; observe the
warning "Don't open when energized".
During installation, there should be no mixture present which is harmful to the
flameproof housing.
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.
Maintenance should be done in non-hazardous locations.
During installation, use and maintenance of this product, observe the instruction
manual and 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"
China Type n Non-Sparking
Certificate: GYJ101126X (2088 Series)
Standards Used: GB3836.1-2000, GB3836. 8-2000
Markings: Ex nA nL IIC T5 (-40 °C  T
Special Conditions for Safe Use (X):
1. This apparatus is not capable of withstanding the 500 V r.m.s. insulation test required
by Clause 6.4.12 of GB3836.4-2000
2. The ambient temperature is: -40 °C  T
3. Maximum input voltage: 50 V.
+80 °C
+40 °C
 +70 °C)
a
 70 °C .
a
Appendix B: Product Certifications
March 2014
91