Bosean (China) Portable Handheld Pump Suction Type Methyl Bromide (Ch3br) , Phosphine (PH3), Carbon Dioxide (CO2) Gas detector Methyl Bromide Range : 0-200ppm Phosphine Range : 0-2000 ppm Carbon Dioxide Range : 0-50,000 ppm Cross sensors Response time : 60 sec Charging time : 4 to 6 hours Working time : 10 hours Display : […]Read More