EN
14302224.0
1
01/2023
EN/DE
Additional operating instructions TC82, TC83, intrinsically safe designs (Ex i)
19
Variant 3:
In this case, the thermometers (modules) are attached to field temperature transmitters.
These devices must have their own corresponding IECEx/ATEX certificate.
The used transmitters/digital displays shall be provided with their own IECEx/ATEX
certification in accordance to EN/IEC 60079-0 and EN/IEC 60079-11. It shall have at least
type of protection “ia” and shall be appropriate for EPL Gb or EPL Db.
The installation conditions or specific conditions of use, the electrical connection values,
the temperature class respectively the maximum surface temperatures of devices for the
use in explosive dust atmospheres and the permissible ambient temperature shall be taken
from the corresponding certification and shall be considered. Refer to the section „Specific
conditions for safe use“.
5. Measures to reduce the risk of ignition
