The SPX2291 is a smart 4 - 20 mA button seal pressure transmitter designed for use in hazardous locations. The SPX2291 is all welded construction that features a large diaphragm and mounting flange for easy installation. Optional thermocouple or RTD configurations are available to provide melt temperature. The SPX2291E has explosion proof approval for Class 1, Division I, Groups A, B, C & D. The explosion proof model employs a conduit fitting with 42” leads. The SPX2291S is ATEX/Intrinsically Safe approved for II 1 G 100a Eex ia IIC, Zones 0 and 1. The intrinsically safe and ATEX models can be supplied with either a conduit fitting or a hermetic 6 pin Bendix connector.