Gastec 4HT Quick-measuring Detector tubesHydrogen sulphide H2S (1~40%)

Name: Gastec 4HT Quick-measuring Detector tubesHydrogen sulphide H2S (1~40%)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model4HT

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 2 to 20 %
Measuring Range:
+ 1 to 2 %, Number of Pump Strokes 2
+ 2 to 20 %, Number of Pump Strokes 1
+ 20 to 40 %, Number of Pump Strokes 1/2
Sampling Time: per pump stroke
Colour Change: Pale Blue → Blackish Brown
Reaction Principle: H2S + CuSO4 → CuS + H2SO4
Coefficient of Variation: 10% (for 2 to 6 %), 5% (for 6 to 20 %)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Manual tube

Performance

Measuring Range

1 to 2 %

2 to 20 %

20 to 40 %

Number of Pump Strokes

1/2

Correction Factor

1/2

Sampling Time

1.5 minutes per pump stroke

Detecting Limit

0.2% (n=2)

Colour Change

Pale Blue → Blackish Brown

Reaction Principle

H2S + CuSO4 → CuS + H2SO4

Coefficient of Variation

10% (for 2 to 6 %), 5% (for 6 to 20 %)

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

sulphur dioxide	5%		No
Mercaptans	10%	+	No

Calibration gas generation

High pressure gas cylinder method

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

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