Gastec รหัส No.142 หลอดวัดความเข้มข้นของแก๊ส,Gas Detector Tube for Butyl alcohol,Meas.range:0.05～0.8%ppm,Quantity:10pcs/Box

Butyl Acetate Detection Tubes (0.05 to 0.8%)Measures Butyl Acetate with a Range of .05%-.8% ppm.

• Number of Pump Strokes: 2
• Correction Factor: 1
• Sampling Time: 45 Seconds per pump stroke
• Detecting Limit: 0.002% (n=2)
• Changes from Orange to Dark Green
• Reaction Principle: CH3CO2(CH2)3CH3 + Cr6+ H2SO4 → Cr3+
• Coefficient of Variation: 15% (for 0.01 to 0.2 %), 10% (for 0.2 to 0.8 %)
• 3 Year Shelf Life
• TLV-TWA, C (ACGIH) (ppm): 150
• Store the tubes at cool and dark place.
• Comes in a Box of 10