Gastec รหัสสินค้าNo.18Mหลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Ozone,Meas.range:4～400ppm,Quantity:10pcs/Box

Ozone Detection Tubes (4 to 400 ppm)Gastec Detection Tube No. 18M measures Ozone with a Range of 4 to 400 ppm.

• Measuring Range:
  • 4 to 20 ppm
  • 20 to 200 ppm
  • 200 to 400 ppm
• Number of Pump Strokes: 2 to 5, 1, 1/2
• Correction Factor: 1/2 to 1/5, 1, 1/2
• Sampling Time: 45 seconds per pump stroke
• Detecting Limit: 1 ppm (5 pump strokes)
• Changes from Orange to Pale Yellow
• Corrections for temperature & humidity: Unnecessary
• Reaction Principle: O3 + Indicator → Reaction product
• Coefficient of Variation: 10% (for 20 to 60 ppm), 5% (for 60 to 200 ppm)
• 3 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