Gastec 137LL Quick-measuring Detector tubes Chloroform CHCl3 (0.3 ~ 4.5 ppm)
ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)
Model137LL
ຕິດຕໍ່
ການຊຳລະເງິນທີ່ປອດໄພ
ການຮັບປະກັນຄຸນນະພາບ
ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ
ມີບໍລິການຈັດສົ່ງ
Indicator: 0.3 to 4.5 ppm
Measuring Range: 0.3 to 4.5 ppm, Number of Pump Strokes 4
Sampling Time: 2 minute per pump stroke
Colour Change: White → Pale purple
Reaction Principle: CHCl3 + I2O5 + H2S2O7 → Cl2
Coefficient of Variation: 10% (for 0.3 to 1.5 ppm), 5% (for 1.5 to 4.5 ppm)
Nr. of tests: 5
Pump: GV-100S/110S
Performance
| Measuring Range |
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| Number of Pump Strokes |
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| Correction Factor |
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| Sampling Time | 2 minutes per pump stroke | |
| Detecting Limit | 0.2 ppm (n=4) | |
| Colour Change | White → Pale purple | |
| Reaction Principle | CHCl3 + I2O5 + H2S2O7 → Cl2 | |
| Coefficient of Variation | 10% (for 0.3 to 1.5 ppm), 5% (for 1.5 to 4.5 ppm) | |
| Shelf Life | 1 Year | |
| Corrections for temperature & humidity | Temperature correction is necessary | |
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | ||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Chlorine |  6ppm |
+ | Pale purple |
| Bromine |  4.5ppm |
No | No |
| Iodine | 4.5ppm |
No | No |
| 1,1,1-trichloroethane | + | Pale purple | |
| trichloroethylene | + | Pale purple |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm | - | - |
ຕິດຕາມຂ່າວສານ ແລະ ຂໍ້ສະເໜີ
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
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