Gastec รหัสสินค้าNo.163LLหลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Ethylene oxide,Meas.range:0.1～10ppm,Quantity:5pcs/Box

Ethylene Oxide Detection Tubes (0.1 to 10 ppm)Gastec Detection Tube No. 163LL measures Ethylene Oxide with a Range of 0.1 to 10 ppm.

• Measuring Range: 0.1 to 5 ppm, 5 to 10 ppm
• Number of Pump Strokes: 4, 2
• Correction Factor: 1, 2
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 0.05 ppm (4 pump strokes)
• Changes from Yellow to Pale Orange
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle:
  • C2H4O → 2HCHO
  • 3HCHO ＋（NH2OH）3H3PO4 → H3PO4
  • H3PO4 ＋ Base → Phosphate
• Relative standard deviation: 15% (for 0.1 to 0.5 ppm), 10% (for 1 to 5 ppm)
• 1 Year Shelf Life (in the refrigerator)
• 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