Gastec รหัสสินค้าNo.12LLหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Hydrogen chloride,Meas.range:0.2～10ppm,Quantity:10pcs/Box

Hydrogen Cyanide (HCN) Detection Tubes (0.2 to 7 ppm)Gastec Detection Tube No. 12LL measures Hydrogen Cyanide with a Range of 0.2 to 100 ppm.

• Measuring Range:
  • 0.2 to 5 ppm
  • 5 to 10 ppm
• Number of Pump Strokes: 2, 1
• Correction Factor: 1, 2
• Sampling Time: 1.5 minutes per pump stroke
• Detecting Limit: 0.05 ppm (2 pump strokes)
• Changes from Yellow to Pink
• Corrections for temperature & humidity: Unnecessary
• Reaction Principle:
  • Hydrogen Cyanide reacts with the reagent to form intermediate material which stains indicator pink .
• Relative Standard Deviation: 5% (for 0.2 to 5 ppm)
• 2 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