Gastec 31B Quick-measuring Detector tubes Chlorine Oxygen O2 (3~24%)

Name: Gastec 31B Quick-measuring Detector tubes Chlorine Oxygen O2 (3~24%)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model31B

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 6 to 24%
Measuring Range:
+ 3 to 6%, Number of Pump Strokes 1, 1 minute
+ 6 to 24%, Number of Pump Strokes 1/2, 30 seconds
Colour Change: Black → White
Reaction Principle: O2 + 4TiCl3 + 6H2O → 4TiO2 + 12HCl
Coefficient of Variation: 5% (for 6 to 24 %)
Nr. of tests: 5
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

3 to 6%

6 to 24%

Number of Pump Strokes

1/2

Correction Factor

1/2

Sampling Time

1 minute

30 seconds

Detecting Limit

2% (n=1)

Colour Change

Black → White

Reaction Principle

O2 + 4TiCl3 + 6H2O → 4TiO2 + 12HCl

Coefficient of Variation

5% (for 6 to 24 %)

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		No	No
Carbon dioxide	40%	+	No
Note: If more than 40% carbon dioxide is coexisted, the tube reading will be 1% higher than the true concentration. (At 21% oxygen concentration tube 31B indicates 22%.)

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