Ex tb IIIC T85°C Db (-20 °C ≤ Ta ≤ 70 °C)
Maximum Working Voltage = 42 VDC 4-20 mA HART
Maximum Working Voltage = 32 VDC Fieldbus
Special conditions for safe use (X):
1. The enclosure may be made from aluminium alloy with a
protective polyurethane paint finish which may constitute a
potential electrostatic ignition risk. Care should be taken to
protect it from external conditions conducive to the build-up of
electrostatic charge on such surfaces. The enclosure must not be
rubbed or cleaned with a dry cloth.
2. When the equipment is installed, particular precautions must be
taken to ensure, taking into account the effect of process fluid
temperature, that the ambient temperature of the electrical
housing of the equipment meets the marked protection type
temperature range.
IECEx Flameproof certification
• IEC 60079-0: 2011
• IEC 60079-1: 2014
• IEC 60079-11: 2011
• IEC 60079-26: 2014
E7
Certificate: IECEx KEM05.0017X
Integral Flowmeter marked:
Ex db [ia] IIC T6...T1 Ga/Gb (-50 °C ≤ Ta ≤ 70 °C)
Remote Transmitter marked: Ex db [ia Ga] IIC T6 Gb (-50 °C ≤ Ta ≤ 70 °C)
with meter body marked: Ex ia IIC T6...T1 Ga (-50 °C ≤ Ta ≤ 70 °C)
EPL Ga piezo sensor and thermocouple connections.
EPL Gb transmitter enclosure.
42 VDC Max 4-20 mA HART
32 VDC Max Fieldbus
U
m
= 250V
Thermal data:
Ambient temperature
(°C)
Process temperature
(°C)
T-Class sensor (°C)
–50 to +70 –200 to +75 T6
–50 to +70 –200 to +95 T5
–50 to +70 –200 to +130 T4
–50 to +70 –200 to +195 T3
Quick Start Guide October 2018
38 Rosemount
™
8800D Series Vortex Flowmeter
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