Gastec รหัสสินค้าNo.144หลอดวัดความเข้มข้นของแก๊ส,Detector Tube For Isobutyl acetate,Meas.range:10～300ppm,Quantity:10pcs/Box

Isobutyl Acetate Detection Tubes (10 to 300 ppm) Gastec Detection Tube No. 144 measures Isobutyl Acetate with a Range of 10 to 300 ppm.

• Measuring Range: 10 to 300 ppm
• Number of Pump Strokes: 2 (200 ml)
• Correction Factor: 1
• Sampling Time: 2 minutes per pump stroke
• Detecting Limit: 2 ppm (2 pump strokes)
• Changes from Yellow to Blackish Brown
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle: CH3CO2CH2CH(CH3)2 + Cr6+ + H2SO4 → Cr3+
• Relative Standard Deviation: 15% (for 10 to 100 ppm), 10% (for 100 to 300 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