Emerson Rosemount 3051 Quick Start Manual page 26

Quick Start Guide
3.7 China
E3 China Flameproof
Certificate: GYJ14.1041X; GYJ15.1368X [Flowmeters]
Standards: GB12476-2000; GB3836.1-2010, GB3836.2-2010, GB3836.20-2010
Markings: Ex d IIC T6/T5 Ga/Gb, T6(–50 °C ≤ T
Special Conditions for Safe Use (X):
1. The relation between ambient temperature arrange and temperature class is as follows:
T
~
–50 °C
~
–50 °C
When used in a combustible dust environment, the maximum ambient temperature is
80 °C.
2. The earth connection facility in the enclosure should be connected reliably.
3. Cable entry certified by notified body with type of protection Ex d IIC in accordance with
GB3836.1-2000 and GB3836.2-2000, should be applied when installed in a hazardous
location. When used in combustible dust environment, cable entry in accordance with
IP66 or higher level should be applied.
4. Obey the warning "Keep tight when the circuit is alive."
5. End users are not permitted to change any internal components.
6. During installation, use and maintenance of this product, observe the following
standards: GB3836.13-1997, GB3836.15-2000, GB3836.16-2006, GB50257-1996,
GB12476.2-2006, GB15577-2007.
I3 China Intrinsic Safety
Certificate: GYJ13.1362X; GYJ15.1367X [Flowmeters]
Standards: GB3836.1-2010, GB3836.4-2010, GB3836.20-2010, GB12476.1-2000
Markings: Ex ia IIC Ga T4/T5
Special Conditions for Safe Use (X):
1. Symbol "X" is used to denote specific conditions of use:
a. If the apparatus is fitted with an optional 90 V transient suppressor, it is not capable
of withstanding the 500 V insulation test for 1 minute. This must be taken into
account when installing the apparatus.
b. 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 Zone 0.
2. The relation between T code and ambient temperature range is:
Model
HART
HART
Fieldbus/PROFIBUS/FISCO
26
Temperature class
a
+80 °C
+65 °C
T code
≤ +65 °C), T5(–50 °C ≤ T
a
T5
T6
Temperature range
–60 °C ≤ T
T5
–60 °C ≤ T
T4
–60 °C ≤ T
T4
≤ +80 °C)
a
≤ +40 °C
a
≤ +70 °C
a
≤ +60 °C
a
August 2016