5H sulfur dioxide detection tube

NegotiableUpdate on 06/06

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Nature of the Manufacturer: Producers

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Overview

5H sulfur dioxide detection tube, measuring range 0.05 to 0.5% 0.5 to 4.0% 4.0 to 8.0%, GASTEC emergency detection box for toxic and harmful gases in sudden accidents in Japan | TEI air sampler | microbial sampler | gas sampling pump, YD-330 rapid detection box for sulfides in soil and wastewater, water quality environmental detection system, emergency monitoring database for water quality * * emergency detection box Portable multi gas analyzer Portable gas chromatograph

Product Details

5H二氧化硫检测管 Sulphur dioxide

Sulphur dioxide No.5H

SO2

Performance

MeasuringRange	0.05 to 0.5%	0.5 to 4.0%	4.0 to 8.0%
Number of PumpStrokes	10 to 2	1	1/2
CorrectionFactor	1/2 to 1/10	1	2
SamplingTime	1 minute per pumpstroke
DetectingLimit	0.01% (n=10)
ColorChange	Orange → Green
ReactionPrinciple	SO2+ Cr⁶⁺→ Cr³⁺
Coefficient ofVariation	10% (for 0.5 to 1 %),5% (for 1 to 4 %)
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	-	No effect	Nodiscoloration
Carbondioxide	-	No effect	Nodiscoloration
Nitrogendioxide	-	No effect	Nodiscoloration
Hydrogensulfide	500ppm	Plus error	Nodiscoloration

Othersubstance measurable with this detector tube

Calibration gasgeneration

High pressure gascylinder method

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