Vạch chỉ thị: 0.25 ~ 6.0 mg/m3
Thang đo:
+ 0.05 ~ 0.25 mg/m3, bơm 5 lần
+ 0.25 ~ 6.0 mg/m3, bơm 1 lần
+ 6.0 ~ 13.2 mg/m3, bơm 1/2 lần
Thời gian lấy mẫu: 1.5 phút mỗi lần bơm
Chuyển đổi màu: Trắng sang cam nhạt
Phương trình phản ứng: Hg + Cu2I2 → Cu2(HgI4) + 2Cu
Hệ số biến đổi: 10% (0.25 ~ 2 mg/m3), 5% (2 ~ 6 mg/m3)
Số ống trong hộp: 10
Dùng thích hợp với bơm: GV-100S/110S
Catalog
Manual
Performance
| Measuring Range |
| 0.05 to 0.25 mg/m3 |
0.25 to 6.0 mg/m3 |
6.0 to 13.2 mg/m3 |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
1.5 minutes per pump stroke |
| Detecting Limit |
0.01 mg/m3 (n=5) |
| Colour Change |
White → Pale Orange |
| Reaction Principle |
Hg + Cu2I2 → Cu2(HgI4) + 2Cu |
| Coefficient of Variation |
10% (for 0.25 to 2 mg/m3), 5% (for 2 to 6 mg/m3) |
| 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 |
| Chlorine |
|
+ |
Pale orange |
| Nitrogen dioxide |
|
+ |
Pale orange |
| Hydrogen sulphide |
|
+ |
Pale orange (whole layer) |
| Calibration gas generation |
Vaper pressure method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| 0.025mg/m3 |
- |
- |
