For full functionality of this site it is necessary to enable JavaScript.

Ống phát hiện nhanh khí Hydrogen cyanide HCN Gastec 12L (0.5~150ppm)


Vạch chỉ thị: 2.5 to 60 ppm
Thang đo:
+ 0.5 to 1.25 ppm, bơm 5 lần, 45 giây mỗi lần bơm
+ 1.25 to 2.5 ppm, bơm 2 lần, 45  giây mỗi lần bơm
+ 2.5 to 60 ppm, bơm 1 lần, 45 giây mỗi lần bơm
+ 60 to150 ppm, bơm 1/2 lần, 30 giây
Chuyển đổi màu: vàng sang hồng
Hệ số biến đổi: 10% ( 2.5 ~ 20 ppm), 5% (20 ~ 60 ppm)
Số ống trong hộp: 10
Dùng thích hợp với bơm: GV-100S/110S

Chi tiết

Catalog

Manual

Performance
Measuring Range
0.5 to 1.25 ppm 1.25 to 2.5 ppm 2.5 to 60 ppm 60 to150 ppm
Number of Pump Strokes
5 2 1 1/2
Correction Factor
0.2 0.5 1 2.5
Sampling Time
45 seconds per pump stroke 30 seconds
Detecting Limit 0.1 ppm (n=5)
Colour Change Yellow →Pink
Reaction Principle Hydrogen cyanide reacts with the reagent to form intermediate material which stains indicator pink.
Coefficient of Variation 10% (for 2.5 to 20 ppm), 5% (for 20 to 60 ppm)
Shelf Life 2 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Ammonia 2.5 ppm No discolouration
Hydrogen chloride 5.0 ppm + Pink at 5.0 ppm
Nitric acid 10.0 ppm + Pink at 10.0 ppm
Sulphur dioxide 1.0 ppm + Pink at 0.8 ppm
Nitrogen dioxide 10.0 ppm + Pink at 8.0 ppm
Hydrogen fluoride 25.0 ppm + Pink at 21.0 ppm
Hydrogen sulphide 0.5 ppm + Pink at 0.5 ppm
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Acetone cyanohydrine 1.0 1 2.5 to 60 ppm
Boron trichloride 0.9 1 2.25 to 54 ppm
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
- C 4.7 ppm (2014) 5.6 to 40%

 

  • Cam kết chất lượng
  • Bảo hành chính hãng
  • Giao hàng tận nơi
  • Đơn giản hóa giao dịch

Đăng ký nhận bản tin - cơ hội nhận khuyến mãi