Gastec รหัสสินค้าNo.17Lหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Hyrogen flourog,Meas.range:0.09～72ppm,Quantity:10pcs/Box

Hydrogen Fluoride Detection Tubes (0.09 to 72 ppm)Gastec Detection Tube No. 17L measures Hydrogen Fluoride with a Range of 0.09 to 72 ppm.

• Measuring Range:
  • 0.09 to 0.2 ppm
  • 0.2 to 10 ppm
  • 10 to 72 ppm
• Number of Pump Strokes: 5, 3, 1
• Correction Factor: 0.45, 1, 7.2
• Sampling Time: 1 minute per pump stroke
• Detecting Limit: 0.05 ppm (5 pump strokes)
• Changes from Yellow to Brown
• Corrections for temperature & humidity: Humidity correction is necessary
• Reaction Principle: HF + Indicator → Reaction product
• Relative Standard Deviation: 10% (for 0.2 to 2 ppm), 5% (for 2 to 10 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