Gastec รหัส No.123L หลอดวัดความเข้มข้นของแก๊ส,Detector tube for xylene,meas.range: 2～100ppm,quantity:10pcs/Box

Xylene Detection Tubes (2 to 200 ppm)Gastec Detection Tube No. 123L measures Xylene with a Range of 2 to 200 ppm.

• Measuring Range: 2 to 100 ppm, 100 to 200 ppm
• Pump Strokes: 2, 1
• Correction Factor: 1, 2
• Sampling Time: 1.5 minutes per pump stroke
• Changes from White to Brown
• Corrections for temperature & humidity: Unnecessary
• 3 Year Shelf Life
• Reaction Principle: C6H4(CH3)2 + I2O5 + H2SO4 → I2
• Relative Standard Deviation: 10 % (for 2 to 30 ppm), 5 % (for 30 to 100 ppm)
• 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