Gastec รหัสสินค้าNo.15Lหลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Nitric acid Detector Tube,Meas.range:0.1～40ppm,Quantity:10pcs/Box

Nitric Acid Detection Tubes (0.1 to 40 ppm)Measures Nitric Acid with a measuring range of 0.1 to 40 ppm

• Measuring Range:
  • 0.1 to 1 ppm
  • 1 to 20 ppm
  • 20 to 40 ppm
• Number of Pump Strokes: 2 to 10, 1, 1/2
• Correction Factor: 1/2 to 1/10, 1, 2
• Sampling Time: 30 seconds per pump stroke
• Detecting Limit: 0.05 ppm (10 pump strokes)
• Color Change: Yellow → Reddish purple
• Corrections for temperature & humidity: Humidity correction is necessary
• Reaction Principle: HNO3 + Indicator → Reaction product
• Relative Standard Deviation: 15% (for 1 to 5 ppm), 10% (for 5 to 20 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