Gastec รหัส No.2L(0.13-0.25%) หลอดวัดความเข้มข้นของแก๊ส,Detector tube for Carbon Dioxide,scale range:0.13～6%,quantity:10pcs/box,(measure of 0.13～0.25%)

Carbon Dioxide (CO2) Detection Tubes (0.13 to 6%) Measures Carbon Dioxide with a Range of 0.13%-6% ppm.

• Number of Pump Strokes: 2, 1, 1/2
• Correction Factor: 1/2, 1, 2
• Sampling Time: 1.5 minutes per pump stroke
• Detecting Limit: 0.025% (n=2)
• Changes from White to Purple
• Reaction Principle: CO2 + N2H4 → NH2NHCOOH
• Coefficient of Variation: 10% (for 0.25 to 1 %), 5% (for 1 to 3 %)
• 3 Year Shelf Life
• TLV-TWA, C (ACGIH) (ppm): 5000
• Store the tubes at cool and dark place.
• Comes in a Box of 10

• 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