Ex d ia IIC T6 Gb/Ga (-50 °C ≤ Ta ≤ +70 °C)
Process temperature range: -202 °C to +427 °C
Power Supply: 42 Vdc
Max. Transmitter Um = 250 V
Special conditions for safe use (X):
1. The maximum allowable length of the interconnecting
cable between transmitter and sensor is 152m. The cable
shall also be provided by Rosemount Inc., or by Emerson
Process Management Co., Ltd., or by Emerson Process
Management Flow Technologies., Ltd.
2. Suitable heat-resisting cables rated at least +80 °C shall be
used when the temperature of the cable entry around
exceed +60 °C.
3. Dimensions of flameproof joints are other than the
relevant minimum or maximum specified in Table 3 of
GB3836.2-2010. Please 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 db IIC, 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 db IIC 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
instruction manual, GB3836.13-1997 “Electrical apparatus
Quick Start Guide
April 2018
24 Rosemount 8600 Series Vortex Flowmeter
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