Gastec รหัสสินค้าNo.161Lหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Ethyl ether,Meas.range:10～1200ppm,Quantity:10pcs/Box

Ethyl Ether Detection Tubes (10 to 1200 ppm)Gastec Detection Tube No. 161L measures Ethyl Ether with a Range of 10 to 1200 ppm.

• Measuring Range: 10 to 400 ppm, 400 to 1200 ppm
• Number of Pump Strokes: 2, 1
• Correction Factor: 1, 3
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 2 ppm (2 pump strokes)
• Color change: Yellow → Pale blue
• Reaction Principle: (C2H5)2O + Cr6+ + H2SO4 → Cr3+
• Relative Standard Deviation: 10% (for 10 to 100 ppm), 5% (for 100 to 400 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