Gastec รหัส No.4LT หลอดวัดความเข้มข้นของแก๊ส,Detector tube For Hydrogen Sulfide(H2S),meas.range:0.05～4.0ppm,quantity:10pcs/box

Hydrogen Sulfide (H2S) Detection Tubes (0.1 to 4.0 ppm) Gastec Detection Tube No. 4LT measures Hydrogen Sulfide with a Range of 0.05 to 4.0 ppm.

• Measuring Range:
  • 0.05 to 0.1 ppm
  • (0.1) to 2.0 ppm
  • 2.0 to 4.0 ppm
• Number of Pump Strokes: 2, 1, 1/2
• Correction Factor: 1/2, 1, 2
• Sampling Time: 1.5 minute per pump strokes
• Detecting Limit: 0.01 ppm (2 pump strokes)
• Changes from Yellow to Pink
• Corrections for temperature & humidity: Unnecessary
• 2 Year Shelf Life (in the refrigerator)
• Reaction Principle: Hydrogen sulfide reacts with the reagent to form intermediate material which stains indicator pink
• Relative Standard Deviation: 5% (for 0.1 to 2 ppm)
• 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

TUBE NAME	Hydrogen Sulfide
CHEMICAL FORMULA	H2S
MEASURING RANGE	0.05-4ppm
NO. TESTS PER BOX	10
STORAGE	Store refrigerated at 10°C (50 F) or below.
TUBE NUMBER	4LT