Gastec รหัสสินค้าNo.71Hหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Methyl mercaptans,Meas.range:20～2700ppm,Quantity:10pcs/Box

Methyl Mercaptan Detection Tubes (20 to 2700 ppm)Gastec Detection Tube No. 71H measures Methyl Mercaptan with a Range of 20 to 2700 ppm.

• Measuring Range:
  • 20 to 50 ppm
  • 50 to 1000 ppm
  • 1000 to 2700 ppm
• Number of Pump Strokes: 2, 1, 1/2
• Correction Factor: 0.4, 1, 2.7
• Sampling Time: 45 seconds per pump stroke
• Detecting Limit: 2 ppm (2 pump strokes)
• Changes from White to Yellow
• Corrections for temperature & humidity: Unnecessary
• Reaction Principle: 2CH3SH + PdSO4 → (CH3S)2Pd + H2SO4
• Relative Standard Deviation: 10% (for 50 to 200 ppm), 5% (for 200 to 1000 ppm)
• 3 Year Shelf Life
• Store the tubes at cool and dark place.

• 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