Gastec 5H Quick-measuring Detector tubes Sulphur dioxide SO2 (0.05~8%)

Name: Gastec 5H Quick-measuring Detector tubes Sulphur dioxide SO2 (0.05~8%)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model5H

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 0.5 ~ 4.0%
Measuring Range:
+ 0.05 to 0.5%, Number of Pump Strokes 2 to 10
+ 0.5 to 4.0%, Number of Pump Strokes 1
+ 4.0 to 8.0%, Number of Pump Strokes 1/2
Sampling Time: per pump stroke
Colour Change:
Reaction Principle: SO2 + Cr6+→ Cr3+
Coefficient of Variation: 10% (for 0.5 to 1 %), 5% (for 1 to 4 %)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

0.05 to 0.5%

0.5 to 4.0%

4.0 to 8.0%

Number of Pump Strokes

2 to 10

1/2

Correction Factor

1/2 to 1/10

Sampling Time

45 seconds per pump stroke

Detecting Limit

0.01% (n=10)

Colour Change

Orange → Green

Reaction Principle

SO2 + Cr⁶⁺→ Cr³⁺

Coefficient of Variation

10% (for 0.5 to 1 %), 5% (for 1 to 4 %)

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		No	No
Nitrogen dioxide		No	No
Hydrogen sulphide	≧500 ppm	+	No

Calibration gas generation

High pressure gas cylinder method

TLV-TWA	TLV-STEL	Explosive range
-	0.25 ppm (2014)	-

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