This model utilizes a design to meet the requirements of NEMA-4(IP-66) levels as well as ATEX Zone 0/1/2 and FM/FMc Class I Div 1 approvals when used with select intrinsic safety barriers. In addition, the CSA approval extends to Class I Div 2 as a non-incentive device without the use of barriers. The transmitter head contains the electronics and user display interface including 4-button design to access functions.