Non Flame proof Type interference gas filtering gas detector Model : GTD-5000 Gas : Flammable, Toxic, Freon Comm. : 4-20mA, RS-485, Relay, PoE App. : CE, CPA Explosion Proof Type interference gas filtering Gas Detector Model : GTD-5100F Gas : Flammable, Toxic, Freon Comm. : 4-20mA, RS-485, Relay, PoE App. : KCs, CE Explosion Proof Type Diffusion Infrared Gas Detector Model : GIR-3000 Gas : Flammable, Toxic(CO2, CO, N2O) Comm. : 4-20mA, Relay, HART App. : KCs, ATEX, IECEx, NEPSI, UL, KR, MED, ABS, DNV, KC, KFI, CE, HART, SIL2, PESO, TRCU ex, IEC 60079-29-1:2008, CPA Explosion Proof Type Sampling Infrared Gas Detector Model : GTD-5000F Gas : Flammable, Toxic, VOC, O2 Comm. : 4-20mA, RS-485, Relay App. : KCs, ATEX, IECEx, NEPSI, CE, KFI, KC, CPA Fixed Type Infrared Gas Detector Model : GIR-3000A(GSA920+JBOX) Gas : Flammable, CO2, CO, N2O Comm. : 4-20mA, Relay, HART App. : KCs, KFI, ATEX, IECEx