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Gastec 1DL Passive Dosl Tubes Carbon monoxide CO (0.4 ~ 400 ppm)

ຕິດຕໍ່
ການຊຳລະເງິນທີ່ປອດໄພ
ການຮັບປະກັນຄຸນນະພາບ
ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ
ມີບໍລິການຈັດສົ່ງ

Indicator: 10~200ppm
Measuring Range: 0.4 ~ 400 ppm
Sampling Hours: 0.5 to 24
Colour Change: Pale Yellow → Brown
Reaction Principle: CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient of Variation: 10% (for 10 to 200 ppm-hr)
Nr. of tests: 10

Catalog

Performance
Measuring Range 0.4 to 400 ppm
Sampling Hours 0.5 to 24 hours
Detecting Limit 0.2 ppm (24 hours)
Colour Change Pale Yellow → Brown
Reaction Principle CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient of Variation 10% (for 10 to 200 ppm-hr)
Shelf Life 2 Years
Corrections for temperature & humidity Unnecessary
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
Nitrogen monoxide

≦ 1/10

No No
Sulphur dioxide ≦ 1/1 No No
Nitrogen dioxide ≦ 1/20 No Brown
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
25 ppm - 12.5 to 74%

 

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