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Rosemount 848T Manual do Utilizador Página 22

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January 2015
22
Quick Start Guide
9. During installation, use and maintenance of this product, observe 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”
N3 NEPSI Type n
Certificate: GYJ12.1035U
Standards: GB3836.1-2010, GB3836.8-2003
Markings: Ex nA nL IIC T4/T5 Gc
Special Conditions for Safe Use (X):
1. This component is not capable of withstanding the 500 V electrical strength
test defined in Clause 8.1 of GB3836.8-2003. The must be taken into account
during installation.
2. This component must be housed in a suitable component certified enclosure
that provides a degree of protection of at least IP54 and meets the relevant
material and environmental requirements of GB3836.1-2010 and
GB3836.8-2003.
3. Provision must be made, external to the component, to ensure the rated
voltage of the component supply is not exceeded by transient disturbances of
more than 40%.
4. The ambient temperature range is:
5. Maximum input voltage: 42.4 V.
6. End users are not permitted to change any components inside, but to settle
the problem in conjunction with 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”
T Code Ambient temperature
T4 -50 °C ≤ T
a
≤ +85 °C
T5 -50 °C ≤ T
a
≤ +70 °C
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