Gastec รหัสสินค้าNo.130Lหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Vinylidene chioride,Meas.range: 0.4～40.6ppm,Quantity:5pcs/Box

Vinylidene Chloride Detection Tubes (0.4 to 40.6 ppm)Gastec Detection Tube No. 130L measures Vinylidene Chloride with a Range of 0.4 to 1 ppm.

• Measuring Range:
  • 0.4 to 1 ppm
  • 1 to 14 ppm
  • 14 to 40.6 ppm
• Number of Pump Strokes: 2, 1, 1/2
• Correction Factor: 0.4, 1, 2.9
• Sampling Time: 1.5 minutes per pump stroke
• Detecting Limit: 0.1 ppm (2 pump strokes)
• Changes from Yellow to Reddish Brown
• Corrections for temperature & humidity: Unnecessary
• 2 Year Shelf Life (in the refrigerator)
• Reaction Principle:
  • CH2:CCl2 + Cr6+ + H2SO4 → HCl
  • HCl + Base → Chloride
• Relative Standard Deviation: 10 % (for 1 to 4 ppm), 5 % (for 4 to 14 ppm)
• Comes in a Box of 5 pre tubes and 5 detector tubes
• Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below

• 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