Crowcon IRmax Infrared Flammable Fixed Gas Detector Wall Mounting & Pipe Mounting with Suitable Accessories. 4-20mA Analog Output for Integration with Control System. Optional – HART & RS-485 MODBUS for Addressable System. SIL 2 Rated for Process & Functional Safety Equipment’s. ATEX Certified for use in Explosive Atmospheres & Offshore. Enclosure: Stainless Steel 316 c/w Optional Display. Contact us for more information.