RAE System RAE Systems QRAE 3 LEL/H2S/CO/O2 Multigas Monitor, PGM-2500 AED5,093.00 (Incl.VAT) The QRAE 3 is a full featured compact 4-gas monitor that provides detection and monitoring of Oxygen (O2), Combustibles and toxic gases that include Carbon Monoxide (CO), Hydrogen Sulfide (H2S),... Available on Request