Gastec รหัสสินค้าNo.192หลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Methacrylonitrile,Meas.range:0.2～32ppm,Quantity:5pcs/Box

Methacrylonitrile Detection Tubes (0.2 to 32 ppm)Gastec Detection Tube No.192 measures Methacrylonitrile with a Range of 0.2 to 32 ppm.

• Measuring Range: 0.2 to 32 ppm
• Number of Pump Strokes: 4, 2, 1
• Correction Factor: 0.4, 1, 3.2
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 0.1 ppm (4 pump strokes)
• Reaction Principle:
  • CH2:C(CH3)CN + Cr6+ + H2SO4 → HCN
  • 2HCN + HgCl2 → 2HCl
  • HCl + Base → Chloride
• Corrections for temperature & humidity: Unnecessary
• Relative Standard Deviation: 10% (for 0.5 to 10 ppm)
• Changes from Yellow to Red
• 3 Year Shelf Life
• Store the tubes at cool and dark place.
• Comes in a Box of 5 pretubes 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