• Detecting tube name: 121S benzene
• Number of measurements of 1 box: 5
• Expiration date (year): 3
•
• Measurement gas name: Benzene
• ?Measurement range: 2 - 312ppm
• ?Standard suction times (n): 2
• ?Measurement time (hr): -
• ?Special remarks: Removal of aromatic hydrocarbon other than benzene
