Gastec รหัสสินค้าNo.136LA หลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Methyl bromide,Meas.range:10～600ppm,Quantity:5pcs/Box

Methyl Bromide Detection Tubes (1 to 36 ppm)Gastec Detection Tube No. 136LA measures Methyl Bromide with a range of 1-36 ppm.

• Measuring Range: 1 to 18 ppm, 18 to 36 ppm
• Number of Pump Strokes: 2, 1
• Correction Factor: 1, 2
• Sampling Time: 1.5 minutes per pump stroke
• Detecting Limit: 0.2 ppm (2 pump strokes)
• Changes from White to Yellow
• Corrections for temperature & humidity: Unnecessary
• Relative Standard Deviation:
• Reaction Principle: 10% (for 1 to 6 ppm), 5% (for 6 to 18 ppm)
• 2 Year Shelf Life
• Reaction Principle:
  • CH3Br + I2O5 + H2S2O7 → Br2
  • Br2 + o-Tolidine → Yellow product
• Store the tubes at cool and dark place.
• 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