Gastec รหัส No.70 หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Mercaptans,Meas.range:0.5～120ppm,Quantity:10pcs/Box

Mercaptans Detection Tubes (0.5 to 120 ppm)Gastec Detection Tube No. 70 measures Mercaptans with a Range of 0.5 to 120 ppm.

• Measuring Range: 0.5 to 5 ppm, 5 to 120 ppm
• Number of Pump Strokes: 2 to 10, 1
• Correction Factor: 1/2 to 1/10, 1
• Sampling time: 1.5 minutes per pump stroke
• Detecting Limit: 0.2 ppm (10 pump strokes)
• Changes from White to Yellow
• Corrections for temperature & humidity: Temperature correction is necessary
• Reaction Principle: 2R･SH+ PdSO4 → (RS)2Pd + H2SO4
• Relative Standard Deviation: 10% (for 5 to 40 ppm), 5% (for 40 to 120 ppm)
• 3 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