Safety notes
2.2 Installation in hazardous locations
FC410 with Modbus
Operating Instructions, 02/2016, A5E33120874-AC
17
Hazardous location approvals
The device is approved for use in hazardous locations and has the approvals listed below.
Special conditions for safe installation and operation specified by each approval authority are
included in the relevant certificate.
ATEX:
FC410 flowmeter (can be installed in Zone 1 for gas and Zone 20/21 for dust):
Certificate: SIRA 11ATEX1341X
II 1/2 G
1D
2D
For gas:
Ex d ia IIC T* Ga/Gb
Ex d IIC T* Ga/Gb
(Ga/Gb: Zone 0 in pipe and Zone 1 in environment)
For dust:
Ex ta IIIC T* °C Da
Ex tb IIIC T* °C Db
(Zone 20 ("ta") process and ambient temperature limited in comparison with Zone 21 ("tb")
Ta = -40°C to +60°C
* Temperature class (dependent on the process temperature and the ambient temperatur)
IECEx:
FC410 flowmeter (can be installed in Zone 1 for gas and Zone 20/21 for dust):
Certificate: IECEx SIR 11.0149X
For gas:
Ex d ia IIC T* Ga/Gb
Ex d IIC T* Ga/Gb
(Ga/Gb: Zone 0 in pipe and Zone 1 in environment)
For dust:
Ex ta IIIC T* °C Da
Ex tb IIIC T* °C Db
(Zone 20 ("ta") process and ambient temperature limited in comparison with Zone 21 ("tb")
(Ta = -40°C to +60°C)
* Temperature class (dependent on the process temperature and the ambient temperature)
EAC Ex
FC410 flowmeter / -
40°C ≤ Tamb ≤ ** °C
1Ex d ia IIC T* Ga/Gb
Ex ta IIIC T** °C Da
Ex tb IIIC T** °C Db