Gastec รหัสสินค้า No.21LA หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Carbon sulfide,Meas.range:2～125ppm,Quantity:5pcs/Box

Carbonyl Sulfide Detection Tubes (2 to 125 ppm)Measures Carbonyl Sulfide with a Range of 2-125 ppm.

• Measuring Range:
  • 2 to 5 ppm
  • 5 to 50 ppm
  • 50 to 125 ppm
• Number of Pump Strokes: 2, 1, 1/2
• Correction Factor: 0.4, 1, 2.5
• Sampling Time: 3 minutes per pump stroke
• Detecting Limit: 0.8 ppm (n=2)
• Changes from Bluish to White
• Reaction Principle:
  • COS + I2O5 + H2SO4 → SO2 + CO2 SO2 + I2 + H2O → 2HI + H2SO4
• Coefficient of Variation: 10% (for 5 to 20 ppm), 5% (for 20 to 50 ppm)
• 2 Year Shelf Life
• Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
• Comes in a Box of 5 pre tubes 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