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Ống phát hiện hơi nước H2O trong khí nén Gastec 6A (20 ~ 80 mg/m3, không dùng bơm)

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Hãng sản xuất: Gastec
Model: 6A
Xuất xứ: Nhật Bản
Không cần dùng thêm bơm, lắp trực tiếp vào đầu ra van tiết lưu khí nén
Vạch chỉ thị: 20 ~ 80 mg/m3
Thang đo: 20 ~ 80 mg/m3
Tốc độ lấy mẫu: 100mL/min (500mL)
Thời gian lấy mẫu:  5 phút
Chuyển đổi màu: vàng sang xanh lá
Phương trình phản ứng: H2O + Mg(ClO4)2 → Mg(ClO4)2 H2O
Hệ số biến đổi: 10% (20 mg/m3),5% (20 ~ 80 mg/m3)
Số ống trong hộp: 10

Catalog

Performance

Measuring Range 20 to 80 mg/m3
Sampling Rate 100mL/min (500mL)
Correction Factor 1
Sampling Time 5 minutes
Colour Change Yellow → Green
May produce "purple" colour at higher concentrations
Reaction Principle H2O + Mg(ClO4)2 → Mg(ClO4)2 H2O
Coefficient of Variation 10% (20 mg/m3),5% (for 20 to 80 mg/m3)
Shelf Life 2 Years
Corrections for temperature Unnecessary for 0 to 40℃
Store the tubes at cool and dark place.
Calibration gas generation Diffusion tube method

Airtec tube - Compressed breathing air detector tubes

Airtec Tube for Cylinder / Compressed Breathing Air / Air Line Test.
Airtec tubes are a convenient and simple system for testing of a gas cylinder, compressed breathing air and air line. Industrial operations often produce, or are performed in the presence of harmful airborne contaminants. When self contained breathing apparatus or other devices are used for respiratory protection, the quality of the breathing air requires special attention. Contaminants entering the compressor or contaminants generated by the compressor or cylinder can be harmful to the worker and the respiratory equipment.
 




Measurement procedure:


1.Install a reducer pressure with gauge and flow metre to a cylinder, compressor or air line and adjust the flow metre the required setting.
  2.Break tips off a fresh detector tube in the tube tip breaker and insert a tube into a tube holder.
 
3.Attach the rubber tube holder to the flow metre outlet. Make certain the tube arrowon the tube pointing in a down direction.
  4.Turn on the cylinder or compressor and confirm the flow metre according to each Airtec tube specifications.
 
5.Time the flow rate with a stopwatch.
  6.As soon as sampling time has elapsed turn off the cylinder or compressor, and remove the tube from the tube holder and then read the colour change layer immediately.

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