Gastec รหัสสินค้าNo.61หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for o-cresol,Meas.range:0.4～62.5ppm ,Quantity:10pcs/Box

o-Cresol Detection Tubes (0.4 to 62.5 ppm)Gastec Detection Tube No. 61 measures o-Cresol with a Range of 0.4-62.5 ppm.

• Measuring range:
  • 0.4 to 1 ppm
  • 1 to 25 ppm
  • 25 to 62.5 ppm
• Number of Pump Strokes: 4, 2, 1
• Correction Factor: 0.4, 1, 2.5
• Detecting Limit: 0.1 ppm (4 pump strokes)
• Sampling Time: 1.5 minutes per pump strokes
• Changes from Pale Yellow to Gray
• Corrections for tempearture & humidity: Temperature correction is necessary
• Relative Standard Deviation: 15% (for 1 to 5 ppm), 10% (for 5 to 25 ppm)
• Reaction Principle: C6H4(CH3)OH + Ce(NO3)62- → C6H4(CH3)OCe(NO3)52-
• 2 Year Shelf Life (in the refrigerator)
• TLV-TWA, C (ACGIH) (ppm): 20mg/m^3(IFV)
• Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.

• 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