Gastec 100A Quick-measuring Detector tubes Liquid petroleum gas-LPG (0.02 ~ 0.8%)
ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)
Model100A
ຕິດຕໍ່
ການຊຳລະເງິນທີ່ປອດໄພ
ການຮັບປະກັນຄຸນນະພາບ
ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ
ມີບໍລິການຈັດສົ່ງ
Indicator: 0.02 ~ 0.8%
Measuring Range: 0.02 ~ 0.8%, Number of Pump Strokes 1
Sampling Time: 2 minute per pump stroke
Colour Change: Orange → Blackish Green
Reaction Principle: LPG+ Cr^(6+)+ H2SO4 → Cr^(3+)
Coefficient of Variation: 10% (for 0.02 to 0.2 %), 5% (for 0.2 to 0.8 %)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range | 0.02 to 0.8% |
| Number of Pump Strokes | 1 |
| Correction Factor | 1 |
| Sampling Time | 2 minutes per pump stroke |
| Detecting Limit | 0.002% (n=1) |
| Colour Change | Orange → Blackish Green |
| Reaction Principle | LPG+ Cr6++ H2SO4 → Cr3+ |
| Coefficient of Variation | 10% (for 0.02 to 0.2 %), 5% (for 0.2 to 0.8 %) |
| 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 |
| Ketones |  2000ppm |
+ | Blackish green |
| Esters | 2000ppm |
+ | Blackish green |
| Hydro carbons(3) |
+ | Blackish green |
Other substance measurable with this detector tube
| Substance | Correction Factor | No. of pump strokes | Measuring Range |
| Propylene | 1 | 1 | 0.02 to 0.8 % |
| Xylene | by scale | 2 | 0.1 to 1.2 % |
| Calibration gas generation | Static gas dilution method |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | 1.6to10% |
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