Safety instructions
Safety Instructions:
Special conditions
• Unit is may not be used when hybrid mixtures (gas, dust, air) are present.
• The temperature transmitter must be installed so, that even in the event of rare incidents, an
ignition source due to impact or friction between the enclosure and iron/steel is excluded.
• Use for integral temperature sensors only approved sensors certified for category 1D or 2D
marked not less than II1/2D Ex ia IIIC T110°C Da/Db or II2D Ex ia IIIC T110°C Db for use
in Zone 20 or Zone 21.
• Use for remote temperature sensors only approved sensors certified for category 2D marked
not less than II2D Ex ia IIIC T110°C Db for use in Zone 21.
14
TMT142
Endress+Hauser