Gastec รหัสสินค้าNo.106หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for petroleum naphtha,Meas.range:0.5～28ppm,Quantity:10pcs/Box

Petroleum Naphtha Detection Tubes (0.5 to 28 mg/l)Gastec Detection Tube No. 5LC measures Sulfur Dioxide with a Range of 0.1 to 25 ppm.

• Measuring Range:
  • 0.5 to 1 mg/l
  • 1 to 14 mg/l
  • 14 to 28 mg/l
• No. of Pump Strokes: 2, 1, 1/2
• Correction Factor: 1/2, 1, 2
• Sampling time: 45 seconds per pump stroke
• Detecting Limit: 0.1 mg/l (2 pump strokes)
• Color Change: Yellowish brown to Greenish brown
• Corrections for temperature & humidity: Unnecessary
• Reaction principle: Petroleum naphtha + Cr6+ + H2SO4 → Cr3+
• Relative Standard Deviation: 10 % (for 1 to 4 mg/l), 5 % (for 4 to 14 mg/l)
• 3 Year Shelf Life
• Store the tubes at a 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