Gastec รหัสสินค้าNo.112Lหลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Ethanol,Meas.range:50～2000ppm,Quantity:10pcs/Box

Ethanol Detection Tubes (50 to 2000 ppm)Gastec Detection Tube No. 112L measures Ethanol with a Range of 50-2000 ppm.

• Measuring Range: 50 to 100 ppm, 100 to 2000 ppm
• Number of Pump Strokes: 2, 1
• Correction Factor: 1/2, 1
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 15 ppm (2 pump strokes)
• Color Change: Pale Vermillon to Pale Blue
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle: C2H5OH + Cr6+ + H2SO4 → Cr3+
• Relative Standard Deviation: 10% (for 100 to 500 ppm), 5% (for 500 to 2000 ppm)
• 3 Year Shelf Life
• Store the tubes in a 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