Portable Multi Gas Analyzer Customizable Gas Detector For O2 CO CO2 CH4 CnHm H2S H2 NH3 Dew Point DP Industrial Gas Testing Technical Specifications Parameter Value Response time T90 ≤ 30S Storage interval 1S–99min (adjustable) Number of storage points Over one million Instrument lifespan 6 years (under proper operating conditions) Charging voltage 220VAC, 50Hz; charger comes with built-in protection features Total power consumption