Gastec 4HP Quick-measuring Detector tubesHydrogen sulphide H2S (0.25~20%)

Name: Gastec 4HP Quick-measuring Detector tubesHydrogen sulphide H2S (0.25~20%)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model4HP

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 1 to 10 %
Measuring Range:
+ 0.25 to 0.5%, Number of Pump Strokes 2
+ 0.5 to 10 %, Number of Pump Strokes 1
+ 10 to 20 %, Number of Pump Strokes 1/2
Sampling Time: 3 minutes per pump stroke
Colour Change: Pale Blue → Blackish Brown
Reaction Principle: H2S + CuSO4 → CuS + H2SO4
Coefficient of Variation: 10% (for 0.5 to 3 %), 5% (for 3 to 10 %)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

manual tube

Performance

Measuring Range

0.25 to 0.5%

0.5 to 10 %

10 to 20 %

Number of Pump Strokes

1/2

Correction Factor

1/2

Sampling Time

3 minutes per pump stroke

Detecting Limit

0.1% (n=2)

Colour Change

Pale Blue → Blackish Brown

Reaction Principle

H2S + CuSO4 → CuS + H2SO4

Coefficient of Variation

10% (for 0.5 to 3 %), 5% (for 3 to 10 %)

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

Ammonia		Two layers (Dark brown & dark blue)	Dark blue
sulphur dioxide	2.5%		No
Mercaptans	5 %	+	No

Calibration gas generation

High pressure gas cylinder method

TLV-TWA	TLV-STEL	Explosive range
1 ppm (2014)	5 ppm (2014)	4.0 to 44%

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