Gastec รหัส No.92M หลอดวัดความเข้มข้นของแก๊ส,Detector tube for Acetaldehyde(CH3CHO),meas.range:2.5～100ppm,(10pcs/box)

Acetaldehyde Detection Tube (2.5 to 100 ppm) Measures Acetaldehyde with a measuring range of 2.5 to 100ppm

• Measuring Range of:
  • 2.5 to 5 ppm - 2 pump strokes (200 ml)
  • 5 to 100 ppm - 1 pump stroke (100 ml)
• Sampling Time: 1 minute per pump stroke
• Changes from Yellow to Red
• Relative Standard Deviation: 10 %（for 5 to 20 ppm, 5 %（for 20 to 100 ppm）
• 2 Year Shelf Life
• Reaction principle:
  • 3CH3CHO + (NH2OH)3H3PO4 → H3PO4 H3PO4 + Base → Phosphate
• 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	Acetaldehyde
CHEMICAL FORMULA	CH3CHO
MEASURING RANGE	2.5-100ppm
NO. TESTS PER BOX	10
STORAGE	Store refrigerated at 10°C (50 F) or below.
TUBE NUMBER	92M