United Electric Controls' Explosion-Proof Switches
One Series line of digital electronic pressure switches and electronic temperature switches now include an explosion-proof model. Designed to meet the needs of harsh and hazardous applications, these explosion-proof pressure and temperature switches can be used in Div. 1 (Zone 1) and Div. 2 (Zone 2) areas. They have up to two fully adjustable set points and deadbands, 4-20 mA analog output, and no moving parts.