3. When fitted with the Transient Protector Assembly, the equipment is
not capable of withstanding the 500 V test as defined on ABNT NBR
IEC 60079-11. This must be taken into account during installation.
4. The ingress protection degree IP66 is provided only for the
Rosemount 644 Field Mount Assembly which is formed by installing
an Enhanced Model 644 Temperature Transmitter within a dual-
compartment enclosure Plantweb enclosure.
7.9 China
7.9.1 E3 China Flameproof
Certificate:
GYJ16.1192X
Standards:
GB3836.1-2010, GB3836.2-2010, GB12476.1-2013,
GB12476.5-2013
Markings:
Ex d IIC T6…T1; Ex tD A21 T130 °C; IP66
7.9.2 I3 China Intrinsic Safety
Certificate:
GYJ16.1191X
Standards:
GB3836.1-2010, GB3836.4-2010, GB3836.20-2010
Markings:
Ex ia IIC T4
~
T6 Ga
7.9.3 N3 China Type n
Certificate:
GYJ15.1502
Standards:
GB3836.1-2010, GB3836.8-2014
Markings:
Ex nA IIC T5/T6 Gc
7.10 EAC - Belarus, Kazakhstan, Russia
7.10.1 EM Technical Regulation Customs Union TR CU 012/2011 (EAC)
Flameproof
Standards:
GOST 31610.0-2014, GOST IEC 60079-1-2011
Markings:
1Ex d IIC T6…T1 Gb X, T6(–50 °C ≤ T
a
≤ +40 °C), T5…T1(–50 °C
≤ T
a
≤ +60 °C);
Special Conditions for Safe Use (X):
1. See certificate TR CU 012/2011 for ambient temperature range.
2. Guard the LCD display cover against impact energies greater than 4
joules.
Quick Start Guide April 2019
36 Rosemount 644H and 644R
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