Gastec 123L Gastec 123L ທໍ່ເຄື່ອງກວດຈັບດ່ວນ Xylene C6H4(CH3)2 (2~200ppm)
ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)
Model123L
ຕິດຕໍ່
ການຊຳລະເງິນທີ່ປອດໄພ
ການຮັບປະກັນຄຸນນະພາບ
ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ
ມີບໍລິການຈັດສົ່ງ
Indicator: 2 to100 ppm
Measuring Range:
+ 2 to100 ppm, Number of Pump Strokes 2
+ 100 to 200 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minute per pump stroke
Colour Change: White → Brown
Reaction Principle: C6H4(CH3)2 + I2O5 + H2SO4 → I2
Coefficient of Variation: 10% (for 2 to 30 ppm), 5% (for 30 to 100 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range |
|
||
| Number of Pump Strokes |
|
||
| Correction Factor |
|
||
| Sampling Time | 1.5 minutes per pump stroke | ||
| Detecting Limit | 1 ppm (n=2) | ||
| Colour Change | White → Brown | ||
| Reaction Principle | C6H4(CH3)2 + I2O5 + H2SO4 → I2 | ||
| Coefficient of Variation | 10% (for 2 to 30 ppm), 5% (for 30 to 100 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 , Hexane | No | No | |
| Alcohols , Esters , Ketones | No | No | |
| Aromatic hydrocarbons | + | Brown |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 100 ppm | 150 ppm | 1.0 to 7.0% |
ຕິດຕາມຂ່າວສານ ແລະ ຂໍ້ສະເໜີ
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ການຊ່ວຍເຫຼືໍາດ່ວນ
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ