Gastec รหัสสินค้าNo.143หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Vinyl acetate,Meas.range: 5～250ppm,Quantity:5pcs/Box

Vinyl Acetate Detection Tubes (5 to 250 ppm)Gastec Detection Tube No. 143 measures Vinyl Acetate with a Range of 5 to 250 ppm.

• Measuring Range:
  • 5 to 10 ppm
  • 10 to 100 ppm
  • 100 to 250 ppm
• Number of Pump Strokes: 4, 2, 1
• Correction Factor: 1/2, 1, 2.5
• Sampling Time: 30 seconds per pump stroke
• Detecting Limit: 1 ppm (4 pump strokes)
• Changes from White to Brown
• Corrections for temperature & humidity: Unnecessary
• 3 Year Shelf Life
• Reaction Principle: CH3CO2CH:CH2 + C6H3(CH3)3 + H2S2O7 → Condensation Polymer
• Relative Standard Deviation: 15% (for 10 to 20 ppm), 10% (for 20 to 100 ppm)
• Store the tubes at cool and dark place.

• On-site measurements can be performed easily by anybody, anytime and anywhere, in a short time
• Easy-to-check direct reading possible due to calibrated scale directly printed on the tube
• An extensive measuring range can be obtained by adjusting the sampling volume
• In order to assure high precision, each production lot is tested and calibrated independently, Each detector tube has its own quality control number printed on the tube
• Long shelf-life with excellent long-term stability