Delta Controls DPT-2000 - Manual (Page 8)

6 IOM-DPT-A: FEB 2014
Specific conditions of use:
Permissible gap of flameproof joint marked L4 is less than defined in norm EN 60079-1:2007 and
cannot be greater than passed value on fig. 7.
Temperature class (T* for gases) or maximum surface temperature (T* for dust ) depends mainly on
the temperature of the process (temperature of the controlled medium), and the method of
installation on site. Therefore, to determine the temperature Tp hottest places on the surface of the
transducer housing (practically cover the sensor) in contact with explosive atmosphere in conditions
of installation on site and proceed in accordance with p.5.3 Appendix Exd.01.
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