5L SO2 detection tube Sulphur dioxide

NegotiableUpdate on 06/06

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Nature of the Manufacturer: Producers

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Overview

5L SO2 detection tube Sulphur dioxide，Measuring Range 1.25 to 2.5ppm 2.5 to 5ppm 5 to 100ppm 100 to 200ppm， Public * * emergency detection, toxic and harmful gas detection box for emergency incidents, water pollution emergency detection box, rapid emergency multi parameter toxic detection box, water quality emergency toxic detection box, professional provision of toxic and harmful gas detection box for emergency incidents, environmental pollution accident emergency monitoring device; Gas detection box for environmental emergencies

Product Details

5L SO2 检测管 Sulphur dioxide

Sulphur dioxide No.5L

SO2

Performance

MeasuringRange	1.25to 2.5ppm	2.5to 5ppm	5to 100ppm	100to 200ppm
Number of PumpStrokes	4	2	1	1/2
CorrectionFactor	1/4	1/2	1	2
SamplingTime	1 minute per pumpstroke
DetectingLimit	0.25ppm (n=4)
ColorChange	Blue → Yellow
ReactionPrinciple	SO2 +BaCl2 +H2O 仺 BaSO3 +2HCl HCl+Base 仺 Chloride
Coefficient ofVariation	10% (for 5 to 20ppm), 5% (for 20 to 100 ppm)
ShelfLife	3Years
Correctionsfor temperature & humidity	Unnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Concentration	Interference	Change color by itself
Carbonmonoxide, Nitric oxide	-	No effect	Nodiscoloration
Carbondioxide	-	No effect	Nodiscoloration
Nitrogendioxide	1:1	Plus error	Produces light purplediscoloration
Hydrogensulfide	-	No effect	Nodiscoloration

Othersubstance measurable with this detector tube

Calibration gasgeneration

Permeation tubemethod

TLV-TWA	TLV-STEL	Explosive range
2ppm	5ppm	-

5L SO2 detection tube Sulphur dioxide

Overview

Product Details

5L SO2 检测管 Sulphur dioxideSulphur dioxide No.5L

SO2

5L SO2 检测管 Sulphur dioxide

Sulphur dioxide No.5L