Gastec รหัสสินค้าNo.134หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Carbon tetrachloride,Meas.range:0.5～60ppm,Quantity:5pcs/Box

Carbon Tetrachloride Detection Tubes (0.5 to 60)Nextteq Detection Tube Carbon Tetrachloride with a range of 0.5 to 60 ppm. Other substance measurable with this detector tube is Chloropicrin (See table below).

• Measuring Range: 0.5 to 2.5, 2.5 to 60
• Number of Pump Strokes: 2 to 5, 1
• Correction Factor: 1/2 to 1/5, 1
• Sampling Time: 1 minute per pump stroke
• Detecting Limit: 0.2 ppm (n=5)
• Changes from White to Yellow
• Reaction Principle:
  • CCl4 + I2O5 + H2S2O7 → COCl2 COCl2 + (CH3)2NC6 H4CHO→ (CH3)2NC6 H4Cl2 (CH3)2NC6 H4Cl2 + (C6H5)2NH → Yellow product
• Coefficient of Variation: 15% (for 2.5 to 20 ppm), 10% (for 20 to 60 ppm)
• 1 Year Shelf Life
• Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
• TLV-TWA, C (ACGIH) (ppm): .1
• Comes in a Box of 5 pre tubes and 5 detection tubes

• 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