Gastec รหัสสินค้า No.3M หลอดวัดความเข้มข้นของแก๊ส,Detector Tube for Ammonia,Meas.range:10～1000ppm,(10pcs/Box)

Ammonia (NH3) Detection Tubes (10 to 1000 ppm)This detector tubes measures Measures Ammonia. Other substance measurable with this detector tube is: Trimethylamine With a Range of 25-250 ppm (1 stroke).

• Measuring Range:
  • 10 to 50 ppm - 2 to 5 pump strokes - Correction Factor: 1/2 to 1/5
  • 50 to 500 ppm - 1 pump stroke - Correction Factor: 1
  • 500 to 1000 ppm - 1/2 pump stroke - Correction Factor: 2
• Sampling Time: 45 seconds per pump stroke
• Changes from Purple to Yellow
• 3 Year Shelf Life
• Corrections for temperature & humidity: Unnecessary
• Relative Standard Deviation: 5% (for 50 to 500 ppm)
• Reaction Principle: 3NH3 + H3PO4 → (NH4)3PO4
• Store the tubes in a dark and cool 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