... gas monitoring system. Our gas monitors which can network this model are JB-TB-AT2020DH and JB-TB-AT2020FH.Feature:1 ... without demarcating.11.Pipe-mounted and wall-mounted optional. Technical: Model No.XP3000/LPower consumption≤1.5W(DC24V)Detection principleCatalytic / Electrochemical /Infrared ... Vapors),H2(ppm),CO,H2S,O2(VOL),NH3(ppm), Cl2,NO, CO2 Working condition temperature:-40°C~+70°C(Catalytic); ...