Gas Detector Tube Formaldehyde

• Detecting tube name: 91 formaldehyde
• Number of measurements of 1 box: 5
• Expiration date (year): 3
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• Measurement gas name: Formaldehyde
• ?Measurement range: 2 - 100ppm
• ?Standard suction times (n): 2
• ?Measurement time (hr): -
• ?Special remarks: -