Gastec รหัสสินค้าNo.17LLหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Hyrogen flourog,Meas.range:0.05～24ppm,Quantity:10pcs/Box

Hydrogen Fluoride Detection Tubes (0.05 to 24 ppm)Gastec Detection Tube No. 17LL measures Hydrogen Fluoride with a Range of (0.05) to 24 ppm.

• Measuring Range:
  • (0.05) to 3.0 ppm
  • 3.0 to 6.9 ppm
  • 6.9 to 24 ppm
• Number of Pump Strokes: 5, 3, 1
• Correction Factor: 1, 2.3, 8.0
• Sampling Time: 1 minute per pump stroke
• Detecting Limit: 0.025 ppm (5 pump strokes)
• Changes from Yellow to Brown
• Corrections for temperature & humidity: Both temperature & humidity correction is necessary
• Reaction Principle: HF + Indicator → Reaction product
• Relative Standard Deviation: 10% (for 0.05 to 1.0 ppm), 5% (for 1.0 to 3.0 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