Gastec รหัสสินค้า No.93 หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Acrolein,Meas.range:3.3～800ppm,(10pcs/Box)

Acrolein Detection Tubes (3.3 to 800 ppm)Measures Acrolein with a range of 3.3 to 800 ppm.

• Measuring Range:
  • 3.3 to 10 ppm - 4 pump strokes - Correction Factor 1/3
  • 10 to 800 ppm - 2 pump strokes - Correction Factor 1
• Sampling Time: 2 minutes per pump stroke
• Detecting limit: 2 ppm (4 pump strokes)
• Changes from Yellow to Red
• Corrections for temperature & humidity: Temperature correction is necessary
• Relative standard deviation: 10 %（for 10 to 200 ppm）, 5 %（for 200 to 800 ppm）
• 2 Year Shelf Life (in the refrigerator)
• Reaction Principle:
• • 3CH2:CHCHO + (NH2OH)3 • H3PO4 → H3PO4
  • H3PO4 + Base → Phosphate
• Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below

• 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