Emerson Rosemount 2088 Quick Start Manual page 37

February 2019
Special Conditions for Safe Use (X):
1. The enclosure may be made of aluminum alloy and given a protective
polyurethane paint finish; however, care should be taken to protect it
from impact or abrasion if located in a zone 0 environment.
2. This apparatus is not capable of withstanding the 500 V r.m.s.
insulation test required by Clause 6.3.12 of GB3836.4-2010.
3. The ambient temperature is:
T
a
–55 °C ≤ T
–55 °C ≤ T
4. Intrinsically safe parameters:
Parameter
Voltage U
Current I
Power P
Capacitance C
Inductance L
5. The product should be used with Ex-certified linear associated
apparatus to establish explosion protection system that can be used in
explosive gas atmospheres. Wiring and terminals should comply with
the instruction manual of the product and associated apparatus.
6. The cables between this product and associated apparatus should be
shielded cables (the cables must have insulated shields). The shield has
to be grounded reliably in a non-hazardous area.
7. 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.
8. During installation, use and maintenance of this product, observe the
following standards: GB3836.13-2013, GB3836.15-2000,
GB3836.16-2006, G3836.18-2010, GB50257-2014.
Quick Start Guide
Temperature class
≤ 40 °C T5
a
≤ 70 °C T4
a
HART
30 V
i
200 mA
i
0.9 W
i
0.012 μF
i
0 mH
i
Quick Start Guide
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