Gastec รหัสสินค้าNo.133Lหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Tetrachlororthylene,Meas.range:1～75ppm,Quantity:10pcs/Box

Tetrachloroethylene Detection Tubes (1 to 75 ppm)Gastec Detection Tube No. 133L measures Tetrachloroethylene with a Range of 1 to 2 ppm.

• Measuring Range:
  • 1 to 2 ppm
  • 2 to 25 ppm
  • 25 to 75 ppm
• Number of Pump Strokes: 2, 1, 1/2
• Correction Factor: 1/2, 1, 3
• Sampling Time: 45 seconds per pump stroke
• Detecting Limit: 0.4 ppm (2 pump strokes)
• Changes from Yellow to Pink
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle:
  • Cl2C:CCl2 + PbO2 + H2SO4 → HCl
  • HCl + Base → Chloride
• Relative Standard Deviation: 10% (for 2 to 5 ppm), 5% (for 5 to 25 ppm)
• 2 Year Shelf Life (in the refrigerator)
• 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