Gastec รหัสสินค้าNo.165Lหลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Ethylene glycol,Meas.range:10～100mg/m3ppm,Quantity:10pcs/Box

Ethylene Glycol Detection Tubes (10 to 100mg/m3)Gastec Detection Tube No. 165L measures Chloroform with a Range of 10-100 mg/m3.

• Measuring Range: 10 to 100 mg/m3
• Number of Pump Strokes: 2 (200 ml)
• Correction Factor: 1
• Sampling Time: 3 minutes per pump stroke
• Detecting Limit: 2 mg/m3 (2 pump strokes)
• Changes from Yellow to Reddish Brown
• Reaction Principle:
  • HOCH2CH2OH → 2HCHO
  • 3HCHO + (NH2OH)3H3PO4 → H3PO4
  • H3PO4 + Base → Phosphate
• Relative Standard Deviation: 10% (for 10 to 52 mg/m3),15% (for 20 to 100 mg/m3)
• 3 Year Shelf Life
• Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
• Comes in a Box of 5 pre tubes and 5 detector tubes

• 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