Gastec รหัส No.35 หลอดวัดความเข้มข้นของแก๊ส,Detector tube for Sulphuric Acid(H2SO4),meas.range:0.5～mg/m3

Sulfuric Acid 0.5-5 mg/m3

• Detection Limit: 0.2 mg/m3 (5 pump strokes)
• Color Change: Pale Yellow to Reddish purple
• Corrections for temperature and humidity: Temperature correction is necessary
• Relative Standard Deviation:10% (for 0.5 to 2 mg/m3), 5% (for 2 to 5 mg/m3)
• Shelf Life:2 years
• Reaction Principle:
  • H2SO4 + BaCl2 → 2HCl
  • HCl + Base → Chloride

• 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