Vạch chỉ thị: 200 to 3000 ppm
Thang đo:
+ 100 to 200 ppm, bơm 2 lần
+ 200 to 3000 ppm, bơm 1 lần
Thời gian lấy mẫu: 1.5 phút mỗi lần bơm
Chuyển đổi màu: Trắng sang nâu đen
Phương trình phản ứng: Hydorocarbon (C6 + C10) + I2O5 + H2S2O7 → I2
Hệ số biến đổi: 10% (200~ 1000 ppm), 5% (1000 ~ 3000 ppm)
Số ống trong hộp: 10
Dùng thích hợp với bơm: GV-100S/110S
Catalog
Manual
Manual tube
Performance
| Measuring Range |
| 100 to 200 ppm |
200 to 3000 ppm |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
1.5 minutes per pump stroke |
| Detecting Limit |
20 ppm (n=2) |
| Colour Change |
White → Blackish brown |
| Reaction Principle |
Hydorocarbon (C6 + C10) + I2O5 + H2S2O7 → I2
|
| Coefficient of Variation |
10% (for 200 to 1000 ppm), 5% (for 1000 to 3000 ppm) |
| Shelf Life |
3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Concentration |
Interference |
Change colour by itself to |
| Acetylene, Ethylene |
0.1% |
+ |
Blackish brown |
| Carbon monoxide |
0.1% |
+ |
Blackish brown |
| Other organic solvents |
|
+ |
Blackish brown |
Other substance measurable with this detector tube
| Substance |
Correction Factor |
No. of pump strokes |
Measuring Range |
| Decane |
2.0 |
1 or 2 |
200 to 6000 ppm |
| Heptane |
0.9 |
1 or 2 |
90 to 2700 ppm |
| Hexane |
0.8 |
1 or 2 |
80 to 2400 ppm |
| Nonane |
1.3 |
1 or 2 |
130 to 3900 ppm |
| Octane |
1.0 |
1 or 2 |
1 |
