Detailed introduction Sampling system:Stainless steel quick connectors, three-way valve, cut-off valve, flow meter and the flow controller Electrical characteristics:Certification: CE, ISO9001 quality certificationDisplay: 3 1/2 digit LCD displayOutput: 0-100 mv analog outputPower supply: rechargeable battery, a charge can be used for 60 daysExplosion-proof: this Ann explosion-proof, explosion-proof level: Class 1, Division 1, Groups A, B, C, D Operating conditions:Standard: recommended standard gas 80% FSMeasuring medium: H2, He, hydrocarbons, inert gas, mixed gas and acid gasesPressure: 5-30 psigTraffic: 0-5 SCFH, recommend: 2 SCFH (cubic feet per hour) Optional accessoriesThe filterThe built-in pumpInstrument box