How to check the explosion-proof rating and temperature resistance parameters of a high-temperature explosion-proof pressure transmitter? Is the nominal IP66 and Exd IIB T6 of this Xi'an Shenghongchuang model sufficient?

What safety details should be noted when installing the high-temperature explosion-proof pressure transmitter? Which standard does the explosion-proof certification of this Xi'an Shenghongchuang model comply with?