Gastec รหัสสินค้าNo.230หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Methyl iodide,Meas.range:0.5～108ppm,Quantity:10pcs/Box

Methyl Iodide Detection Tubes (0.5 to 108 ppm)Gastec Detection Tube No. 230 measures Methyl Iodide with a Range of 0.5 to 108 ppm.

• Measuring Range:
  • 0.5 to 1 ppm
  • (1) to 20 ppm
  • 20 to 46 ppm
  • 46 to 108 ppm
• Number of Pump Strokes: 4, 2, 1, 1/2
• Correction Factor: 0.5, 1, 2.3, 5.4
• Sampling Time: 1.5 minutes per pump stroke
• Detecting Limit: 0.2 ppm (4 pump strokes)
• Changes from White to Gray
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle:
  • CH3I + I2O5 + V2O5 + H2SO4 → I2
  • I2 + 3,3',5,5'-Tetramethylbenzidine → Reaction Product
• Relative Standard Deviation: 5% (for 1 to 20 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