5
NRS 1-52 - Installation Instructions -
819176-02
Important Notes
- continued -
Potentially explosive areas
The equipment must
not
be used in potentially explosive areas.
Note
The level electrodes NRG 10-52, NRG 16-52, NRG 16-36, NRG 16-4 and ER 5.-1 are simple
items of electrical equipment as specified in EN 60079-11 section 5.7.
The equipment must be equipped with approved Zener barriers if used in potentially explo-
sive areas. Applicable in Ex zones 1, 2 (1999/92/EC).
The equipment does not bear an Ex marking.
