Proline t-mass I 300 HART Technical data
Endress+Hauser 191
C
CSA
US
Currently, the following versions for use in hazardous areas are available:
XP (Ex d)
Class I, II, III Division 1 Groups A-G
NI (Ex ec)
Class I Division 2 Groups A - D
Ex de
• Class I, Zone 1 AEx/ Ex de ia IIC T4…T1 Ga/Gb
• Class I, Zone 1 AEx/ Ex de ia IIC T4…T1 Gb
Ex db
• Class I, Zone 1 AEx/ Ex db ia IIC T4…T1 Ga/Gb
• Class I, Zone 1 AEx/ Ex db ia IIC T4…T1 Gb
Ex ec
Class I, Zone 2 AEx/ Ex ec IIC T4…T1 Gc
Ex tb
Zone 21 AEx/ Ex tb IIIC T** °C Db
Functional safety The measuring device can be used for flow monitoring systems (min., max., range) up to
SIL 2 (single-channel architecture; order code for "Additional approval", option LA) and SIL
3 (multi-channel architecture with homogeneous redundancy) and is independently
evaluated and certified in accordance with IEC 61508.
The following types of monitoring in safety equipment are possible:
Mass flow
Functional Safety Manual with information on the SIL device
HART certification HART interface
The measuring device is certified and registered by the FieldComm Group. The measuring
system meets all the requirements of the following specifications:
• Certified according to HART 7
• The device can also be operated with certified devices of other manufacturers
(interoperability)
Radio approval The measuring device has radio approval.
For detailed information regarding radio approval, see the Special Documentation
Additional certification CRN approval
Some device versions have CRN approval. A CRN-approved process connection with a CSA
approval must be ordered for a CRN-approved device.
Other standards and
guidelines
• EN 60529
Degrees of protection provided by enclosures (IP code)
• EN 61010-1
Safety requirements for electrical equipment for measurement, control and laboratory
use - general requirements
• IEC/EN 61326-3-2
Emission in accordance with Class A requirements. Electromagnetic compatibility (EMC
requirements).
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