Gastec รหัสสินค้าNo.1LAหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Carbon monoxide,Meas.range:8～1000ppm,Quantity:10pcs/Box

Carbon Monoxide (CO) Detection Tubes (6 to 1000 ppm)Gastec Detection Tube No. 1La measures Sulfur Dioxide with a Range of 8 to 1000 ppm.

• Measuring Range:
  • 8 to 12.5 ppm
  • 12.5 to 25 ppm
  • 25 to 500 ppm
  • 500 to 1000 ppm
• Number of Pump Strokes: 3, 2, 1, 1/2
• Correction Factor: 3, 2, 1, 1/2
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 2ppm (3 pump strokes)
• Changes from Yellow to Blackish Brown
• Corrections for temperature & humidity: Temperature correction is necessary
• 3 Year Shelf Life
• Reaction Principle: CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
• Relative Standard Deviation: 10 % (for 25 to 100 ppm), 5 % (for 100 to 500 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