RAE Systems Inc. has introduced a wireless, portable, 4-gas pumped and diffusion gas monitor that will significantly enhance worker safety in industrial environments and better protect first responders. The new QRAE 3 is a versatile, rugged, one- to four-sensor gas monitor that provides continuous exposure monitoring of oxygen, combustibles and toxic gases, including hydrogen sulfide, carbon monoxide, sulfur dioxide and hydrogen cyanide.Wireless four-gas monitor

RAE Systems, Inc., www.raesystems.com, (408) 952-8200. Booth 6011.