Gastec รหัสสินค้าNo.111LLหลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Methanol,Meas.range:2～56ppm,Quantity:10pcs/Box

Methanol Detection Tubes (2 to 56 ppm)Gastec Detection Tube No.111LL measures Methanol with a Range of 2 to 56 ppm.

• Number of Pump Strokes: 4, 2
• Correction Factor: 1, 2.8
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 0.2 ppm (4 pump strokes)
• Changes from Pale Yellow to Pale Bluish Green
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle: CH3OH + Cr6+ + H3PO4 → Cr3+
• Relative Standard Deviation: 15% (for 2 to 5 ppm), 10% (for 5 to 20 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