Gastec 126 Quick-measuring Detector tubes Chlorobenzene C6H5Cl (2~500ppm)
-
Manufacturer: Gastec Model: 126 -
$ 40.00
-
Call for best price
Hanoi: (024) 35.381.269
Đà Nẵng: (0236) 3 74 77 11
TP.HCM: (028) 38.119.636
- Quality Engagement
- Easy change and return
- Delivery Avaliable
- Favorable payment
Manufacture: Gastec
Model: 126
Origin: Japan
Indicator: 10 to 200 ppm
Measuring Range:
+ 2 to 5 ppm, Number of Pump Strokes 2
+ 5 to 200 ppm, Number of Pump Strokes 1
+ 200 to 500 ppm, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: White → Gray
Reaction Principle: C6H5Cl+ I2O5 + H2S2O7 → I2
Coefficient of Variation: 15% (for 5 to 50 ppm), 10% (for 50 to 200 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Detail
Performance
| Measuring Range |
|
|||
| Number of Pump Strokes |
|
|||
| Correction Factor |
|
|||
| Sampling Time |
|
|||
| Detecting Limit | 0.2 ppm (n=2) | |||
| Colour Change | White → Gray | |||
| Reaction Principle | C6H5Cl+ I2O5 + H2S2O7 → I2 | |||
| Coefficient of Variation | 15% (for 5 to 50 ppm), 10% (for 50 to 200 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 |
| Carbon monoxide |  0.1% |
No (2 layers) | Pale brown (whole layer) |
| Acetylene, Hexane, Ethylene | 0.2% |
No (2 layers) | Pale brown (whole layer) |
| Alcohols, Ketones | 1% |
+ | No |
| Esters | 0.2% |
+ | No |
| Aromatic hydrocarbons | + | Gray |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm(2014) | - | 1.3 to 9.6% |
