Drager Portable Single Gas Detectors Buy Drager Portable Single Gas Detectors at best prices in Oman. Models of Drager Portable Single Gas Detectors are mentioned below: Drager Pac 6000 Gas Detector for CO, H2S, SO2 or O2 Drager Pac 6500 Single Gas Detector for CO, H2S, SO2 or O2 Drager Pac 8000 Single Gas Detector for CL2, CO2, COCl2, HCN, NH3, NO, NO2, O3 or PH3 Drager Pac 8000 OV Organic Vapor Detector (VOC) for detecting certain compounds such as formaldehyde, acetylene, vinyl acetate, acrylonitrile, butadiene, ethylene, methanol, styrene, propylene, etc. X-am 5100 Single Gas Detector for H2O2, HBr, HCl, HF, HNO3, N2H4, PCl3 or POCl3