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Hazardous location installation
[31]
During the sensor mounting, give particular attention to the grounding of its metal
housing. The transition resistance of the sensor housing to the protective earth must not
exceed 1 MOhm.
6.5
CSA – Special conditions of safe use
Note
Installation in protection class Ex i (intrinsically safe) or Ex nA (non-sparking):
•
Install the EZ 1000 converter in accordance to the control drawing CDG 5800-00182.
•
Install the converter completely inside an additional enclosure according to CSA/UL 60079-0,
providing a degree of protection of not less than IP 54.
•
Final acceptance of the equipment when installed is subject to the jurisdiction of the local
inspection authority.
6.6
Technical data, explosion protection
For connection to intrinsically safe electric circuits and for use in hazardous areas, the EZ
1000 converter is tested and certified for:
Explosion protection class
Table 6-1: cCSAus
Intrinsically safe (Ex ia)
Identification
Class I, Division 1
Group A, B, C, D T6, T4, T2
(Class 1, Zone 0/1)
Ex/AEx ia IIC T6, T4, T2 Ga
T6 -35°C ≤ Ta ≤ 50°C
T4 -35°C ≤ Ta ≤ 80°C
T2 -35°C ≤ Ta ≤ 80°C
Standards EC
−
Design test
certificate
CSA 60079-0
CSA 60079-11
CSA 60079-26
CSA approval number
CSA 18.70093801
Non- incentive (Ex nA)
Identification
Class I, Division 2
Group A, B, C, D T6, T4, T2
(Class 1, Zone 2)
Ex/ AEx nA [ic] IIC T6 T4 T2 Gc
Содержание AMS EZ1000
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