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Airflow speed/flow rate: 50ml/minMeasurement time: 60 minutesComment: 1Discoloration: White → BrownTemperature/humidity correction: NoneExpiration date: Up to 2 yearsSubject gas: BenzeneMeasurement range: (250) to 3000ug/minProduct gas: Benzene (continuous suction类型)有效期(年):2 宽度(mm):147 深度(mm):54 身高(mm):19 测量范围(ppm):250至3000 测量范围(μg/m3):250至3000
各种试剂被封闭在玻璃中
70g
工作温度范围:0至40℃
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