E3
Certification No. GYJ17.1404X
Ex ia / d IIC T6 Ga/Gb (Integral Transmitter)
Ex d [ia Ga] IIC T6 Gb (Remote Transmitter)
Ex ia IIC T6 Ga (Remote Sensor)
Ambient temperature range: -50 °C ≤ Ta ≤ +70 °C
Process temperature range: -202 °C to +427 °C
Power Supply: 42 Vdc Max 4-20 mA HART
Power Supply: 32 Vdc Max Fieldbus
U
m
= 250V
Special conditions for safe use (X):
1. The maximum allowable length of the interconnecting cable
between transmitter and sensor is 152 m. The cable shall also be
provided by Rosemount Inc., or by Emerson Process
Management Flow Technologies Co., Ltd.
2. Suitable heat-resisting cables rated at least +80 °C shall be used
when the temperature around the cable entry exceeds +60 °C.
3. Dimensions of flameproof joints are other than the relevant
minimum or maximum specified in Table 3 of GB3836.2-2010.
Contact manufacturer for details.
4. The Flowmeter is provided with special fasteners of property
class A2-70 or A4-70.
5. Any friction should be prevented in order to avoid the risk of
electrostatic charge on the enclosure due to non-conductive
paint.
6. The earthing terminal should be connected to the ground
reliably at site.
7. Do not open when energized.
8. The cable entry holes have to be connected by means of suitable
entry device or stopping plugs with type of protection of Ex d IIC
Gb the cable entry device and stopping plugs are approved in
accordance with GB3836.1-2010 and GB3836.2-2010, and
which are covered by a separate examination certificate, any
unused entry hole is to be fitted with type of protection of Ex d
IIC Gb flameproof stopping plug.
9. Users are forbidden to change the configuration to ensure the
explosion protection performance of the equipment. Any faults
shall be settled with experts from the manufacturer.
10. Precautions shall be taken to ensure that the electronic parts are
within permissible ambient temperature considering the effect
of the allowed fluid temperature.
11. During installation, operation and maintenance, users shall
comply with the relevant requirements of the product
Quick Start Guide October 2018
40 Rosemount
™
8800D Series Vortex Flowmeter
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