Gastec รหัส No.122L หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Toluene,Meas.range:1～50ppm,quantity:10pcs/Box

Toluene Detection Tubes (1 to 100 ppm)Gastec Detection Tube No. 122L measures Toluene with a Range of 1-100 ppm.

• Measuring Range (Toulene):
  • 1 to 2 ppm
  • 2 to 50 ppm
  • 50 to 100 ppm
• Number of Pump Strokes: 4, 2, 1
• Correction Factor: 1/2, 1, 2
• Sampling Time: 1.5 minutes per pump stroke
• Detecting Limit: 0.5 ppm (4 pump strokes)
• Changes from White to Brown
• Corrections for temperature & humidity: Unnecessary
• Relative Standard Deviation: 10% (for 2 to 20 ppm), 5% (for 20 to 50 ppm)
• Reaction Principle: C 6H5CH3 + I2O5 + H2SO4 → I2
• 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