Gastec รหัสสินค้าNo.193หลอดวัดความเข้มข้นของแก๊ส,Detector Tube For 2-Pentenenitrile,Meas.range:0.5～15ppm,Quantity:5pcs/Box

2-Pentenenitrile Detection Tubes (0.5 to 15 ppm)Gastec Detection Tube No. 193 measures 2-Pentenenitrile with a Range of 0.05 to 15 ppm.

• Measuring Range:
  • 0.5 to 6.0 ppm
  • 6.0 to 15 ppm
• Number of Pump Strokes: 4, 2
• Correction Factor: 1, 2.5
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 0.1 ppm (4 pump strokes)
• Changes from Yellow to Red
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle:
  • CH3CH2CH:CHCN + Cr6+ + H2SO4 → HCN
  • 2HCN + HgCl2 → 2HCl
  • HCl + Base → Chloride
• Relative Standard Deviation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 6 ppm)
• 3 Year Shelf Life
• Store the tubes at cool and dark place.
• Comes in a Box of 5 pre tube and 5 detector tubes

• 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