130U乙硫醇C2H5SH气体检测管130U ETHYL MERCAPTAN 0.5-10ppm
面议130U乙硫醇C2H5SH气体检测管130U ETHYL MERCAPTAN 0.5-10ppm
面议105SC氨气测毒管105SC AMMONIA NH3 5-260ppm
面议168SB1,3-丁二烯气体检知管 CH2=CHCH=CH2 30-600ppm 1,3-Butadiene
面议216S丁酸气体检测管BUTYRIC ACID CH3CH2CH2COOH 3-60ppm
面议111U甲基叔丁基醚(MTBE)气体检测管CH3OC(CH3)3 25-500ppm
面议111U乙酸乙酯检测管ETHYL ACETATE CH2=C(CH3)CO2C4H9 20-1000ppm
面议111U丁基醚 Butyl ether 正丁醚(CH3CH2CH2CH2)2O 10-1200ppm
面议126SA二氧化碳气体检知管126SA Carbon dioxide 0.1-5.2%
面议126UH二氧化碳CO2检知管126UH CARBON DIOXIDE 5-50%
面议183U甲酚C6H4(CH3)(OH)气体检测管183U CRESOL 0.5-25.0ppm
面议132SC氯乙烯检知管价格132SC VINYL CHLORIDE 1-50ppm
面议109SA氯气Cl2气体检测管 109SA CHLORINE 1-40ppm
面议